97 GC - Blower comes on by itself -- with no key!!
 

Thanks to all on tips about my (non)heated seat.

My other problem, ( i had this happen about a week ago, after i
came out of the car wash )

I parked my truck, turn it off, heater fan stop ( normal ), then
the blower comes on -- and continues to run after removing key!!

This morning, I am standing in my garage and I hear the blower
come on and run by itself.

I looked on alldata, under blower and did some searching, could
this be the blower motor resistor, or blower motor relay?

Something I could do my self?

Any tips appreciated,

James

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> Thanks to all on tips about my (non)heated seat.
>
> My other problem, ( i had this happen about a week ago, after i came out
> of the car wash )
>
> I parked my truck, turn it off, heater fan stop ( normal ), then the
> blower comes on -- and continues to run after removing key!!
>
> This morning, I am standing in my garage and I hear the blower come on
> and run by itself.
>
> I looked on alldata, under blower and did some searching, could this be
> the blower motor resistor, or blower motor relay?

If this is the auto setup on the GC, more likely to be the controller
gone skyward. Would make more sense than the manual system managing
to do this.
>
> Something I could do my self?

Yeah, although with the caution that the reason a shop would charge an
arm and a leg is due to the sheer PITA factor.
>
> Any tips appreciated,

If you have the auto temp control system, and ever see "Er" on the
display note the numbers.

You can completely run the ATC system thru every control from the
panel, but first pull any stored fault codes:

Press A/C and RECIRC and hold. Rotate control knob one click
clockwise. This should light all indicators and segments on the
display.

Then release the A/C and RECIRC button, which should show test 00
on the display.

Then push ONE OF either A/C or RECIRC which should show a little
stick figure. Any number other than 00 at this point should be
recorded. You really don't want to see a 25 or 29, $$$.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> Thanks to all on tips about my (non)heated seat.
>
> My other problem, ( i had this happen about a week ago, after i came out
> of the car wash )
>
> I parked my truck, turn it off, heater fan stop ( normal ), then the
> blower comes on -- and continues to run after removing key!!
>
> This morning, I am standing in my garage and I hear the blower come on
> and run by itself.
>
> I looked on alldata, under blower and did some searching, could this be
> the blower motor resistor, or blower motor relay?

If this is the auto setup on the GC, more likely to be the controller
gone skyward. Would make more sense than the manual system managing
to do this.
>
> Something I could do my self?

Yeah, although with the caution that the reason a shop would charge an
arm and a leg is due to the sheer PITA factor.
>
> Any tips appreciated,

If you have the auto temp control system, and ever see "Er" on the
display note the numbers.

You can completely run the ATC system thru every control from the
panel, but first pull any stored fault codes:

Press A/C and RECIRC and hold. Rotate control knob one click
clockwise. This should light all indicators and segments on the
display.

Then release the A/C and RECIRC button, which should show test 00
on the display.

Then push ONE OF either A/C or RECIRC which should show a little
stick figure. Any number other than 00 at this point should be
recorded. You really don't want to see a 25 or 29, $$$.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> Thanks to all on tips about my (non)heated seat.
>
> My other problem, ( i had this happen about a week ago, after i came out
> of the car wash )
>
> I parked my truck, turn it off, heater fan stop ( normal ), then the
> blower comes on -- and continues to run after removing key!!
>
> This morning, I am standing in my garage and I hear the blower come on
> and run by itself.
>
> I looked on alldata, under blower and did some searching, could this be
> the blower motor resistor, or blower motor relay?

If this is the auto setup on the GC, more likely to be the controller
gone skyward. Would make more sense than the manual system managing
to do this.
>
> Something I could do my self?

Yeah, although with the caution that the reason a shop would charge an
arm and a leg is due to the sheer PITA factor.
>
> Any tips appreciated,

If you have the auto temp control system, and ever see "Er" on the
display note the numbers.

You can completely run the ATC system thru every control from the
panel, but first pull any stored fault codes:

Press A/C and RECIRC and hold. Rotate control knob one click
clockwise. This should light all indicators and segments on the
display.

Then release the A/C and RECIRC button, which should show test 00
on the display.

Then push ONE OF either A/C or RECIRC which should show a little
stick figure. Any number other than 00 at this point should be
recorded. You really don't want to see a 25 or 29, $$$.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

Thanks!!

Lon wrote:
> PoBoy proclaimed:
>
>> Thanks to all on tips about my (non)heated seat.
>>
>> My other problem, ( i had this happen about a week ago, after i came
>> out of the car wash )
>>
>> I parked my truck, turn it off, heater fan stop ( normal ), then the
>> blower comes on -- and continues to run after removing key!!
>>
>> This morning, I am standing in my garage and I hear the blower come on
>> and run by itself.
>>
>> I looked on alldata, under blower and did some searching, could this
>> be the blower motor resistor, or blower motor relay?
>
>
> If this is the auto setup on the GC, more likely to be the controller
> gone skyward. Would make more sense than the manual system managing
> to do this.
>
>>
>> Something I could do my self?
>
>
> Yeah, although with the caution that the reason a shop would charge an
> arm and a leg is due to the sheer PITA factor.
>
>>
>> Any tips appreciated,
>
>
> If you have the auto temp control system, and ever see "Er" on the
> display note the numbers.
>
> You can completely run the ATC system thru every control from the
> panel, but first pull any stored fault codes:
>
> Press A/C and RECIRC and hold. Rotate control knob one click
> clockwise. This should light all indicators and segments on the
> display.
>
> Then release the A/C and RECIRC button, which should show test 00
> on the display.
>
> Then push ONE OF either A/C or RECIRC which should show a little
> stick figure. Any number other than 00 at this point should be
> recorded. You really don't want to see a 25 or 29, $$$.
>
>
>

Re: 97 GC - Blower comes on by itself -- with no key!!
 

Thanks!!

Lon wrote:
> PoBoy proclaimed:
>
>> Thanks to all on tips about my (non)heated seat.
>>
>> My other problem, ( i had this happen about a week ago, after i came
>> out of the car wash )
>>
>> I parked my truck, turn it off, heater fan stop ( normal ), then the
>> blower comes on -- and continues to run after removing key!!
>>
>> This morning, I am standing in my garage and I hear the blower come on
>> and run by itself.
>>
>> I looked on alldata, under blower and did some searching, could this
>> be the blower motor resistor, or blower motor relay?
>
>
> If this is the auto setup on the GC, more likely to be the controller
> gone skyward. Would make more sense than the manual system managing
> to do this.
>
>>
>> Something I could do my self?
>
>
> Yeah, although with the caution that the reason a shop would charge an
> arm and a leg is due to the sheer PITA factor.
>
>>
>> Any tips appreciated,
>
>
> If you have the auto temp control system, and ever see "Er" on the
> display note the numbers.
>
> You can completely run the ATC system thru every control from the
> panel, but first pull any stored fault codes:
>
> Press A/C and RECIRC and hold. Rotate control knob one click
> clockwise. This should light all indicators and segments on the
> display.
>
> Then release the A/C and RECIRC button, which should show test 00
> on the display.
>
> Then push ONE OF either A/C or RECIRC which should show a little
> stick figure. Any number other than 00 at this point should be
> recorded. You really don't want to see a 25 or 29, $$$.
>
>
>

Re: 97 GC - Blower comes on by itself -- with no key!!
 

Thanks!!

Lon wrote:
> PoBoy proclaimed:
>
>> Thanks to all on tips about my (non)heated seat.
>>
>> My other problem, ( i had this happen about a week ago, after i came
>> out of the car wash )
>>
>> I parked my truck, turn it off, heater fan stop ( normal ), then the
>> blower comes on -- and continues to run after removing key!!
>>
>> This morning, I am standing in my garage and I hear the blower come on
>> and run by itself.
>>
>> I looked on alldata, under blower and did some searching, could this
>> be the blower motor resistor, or blower motor relay?
>
>
> If this is the auto setup on the GC, more likely to be the controller
> gone skyward. Would make more sense than the manual system managing
> to do this.
>
>>
>> Something I could do my self?
>
>
> Yeah, although with the caution that the reason a shop would charge an
> arm and a leg is due to the sheer PITA factor.
>
>>
>> Any tips appreciated,
>
>
> If you have the auto temp control system, and ever see "Er" on the
> display note the numbers.
>
> You can completely run the ATC system thru every control from the
> panel, but first pull any stored fault codes:
>
> Press A/C and RECIRC and hold. Rotate control knob one click
> clockwise. This should light all indicators and segments on the
> display.
>
> Then release the A/C and RECIRC button, which should show test 00
> on the display.
>
> Then push ONE OF either A/C or RECIRC which should show a little
> stick figure. Any number other than 00 at this point should be
> recorded. You really don't want to see a 25 or 29, $$$.
>
>
>

Re: 97 GC - Blower comes on by itself -- with no key!!
 

I do use the auto setup.
I have never seen an Er but will step thru your diag procedure.

Would a fault not cause the check engine light to go on?

When you say the controller is cooked, do you mean the
Blower Motor Power module or the Automatic Temperature Control
(ATC) Module or something else?

thx,
James


Lon wrote:
> PoBoy proclaimed:
>
>> Thanks to all on tips about my (non)heated seat.
>>
>> My other problem, ( i had this happen about a week ago, after i came
>> out of the car wash )
>>
>> I parked my truck, turn it off, heater fan stop ( normal ), then the
>> blower comes on -- and continues to run after removing key!!
>>
>> This morning, I am standing in my garage and I hear the blower come on
>> and run by itself.
>>
>> I looked on alldata, under blower and did some searching, could this
>> be the blower motor resistor, or blower motor relay?
>
>
> If this is the auto setup on the GC, more likely to be the controller
> gone skyward. Would make more sense than the manual system managing
> to do this.
>
>>
>> Something I could do my self?
>
>
> Yeah, although with the caution that the reason a shop would charge an
> arm and a leg is due to the sheer PITA factor.
>
>>
>> Any tips appreciated,
>
>
> If you have the auto temp control system, and ever see "Er" on the
> display note the numbers.
>
> You can completely run the ATC system thru every control from the
> panel, but first pull any stored fault codes:
>
> Press A/C and RECIRC and hold. Rotate control knob one click
> clockwise. This should light all indicators and segments on the
> display.
>
> Then release the A/C and RECIRC button, which should show test 00
> on the display.
>
> Then push ONE OF either A/C or RECIRC which should show a little
> stick figure. Any number other than 00 at this point should be
> recorded. You really don't want to see a 25 or 29, $$$.
>
>
>

Re: 97 GC - Blower comes on by itself -- with no key!!
 

I do use the auto setup.
I have never seen an Er but will step thru your diag procedure.

Would a fault not cause the check engine light to go on?

When you say the controller is cooked, do you mean the
Blower Motor Power module or the Automatic Temperature Control
(ATC) Module or something else?

thx,
James


Lon wrote:
> PoBoy proclaimed:
>
>> Thanks to all on tips about my (non)heated seat.
>>
>> My other problem, ( i had this happen about a week ago, after i came
>> out of the car wash )
>>
>> I parked my truck, turn it off, heater fan stop ( normal ), then the
>> blower comes on -- and continues to run after removing key!!
>>
>> This morning, I am standing in my garage and I hear the blower come on
>> and run by itself.
>>
>> I looked on alldata, under blower and did some searching, could this
>> be the blower motor resistor, or blower motor relay?
>
>
> If this is the auto setup on the GC, more likely to be the controller
> gone skyward. Would make more sense than the manual system managing
> to do this.
>
>>
>> Something I could do my self?
>
>
> Yeah, although with the caution that the reason a shop would charge an
> arm and a leg is due to the sheer PITA factor.
>
>>
>> Any tips appreciated,
>
>
> If you have the auto temp control system, and ever see "Er" on the
> display note the numbers.
>
> You can completely run the ATC system thru every control from the
> panel, but first pull any stored fault codes:
>
> Press A/C and RECIRC and hold. Rotate control knob one click
> clockwise. This should light all indicators and segments on the
> display.
>
> Then release the A/C and RECIRC button, which should show test 00
> on the display.
>
> Then push ONE OF either A/C or RECIRC which should show a little
> stick figure. Any number other than 00 at this point should be
> recorded. You really don't want to see a 25 or 29, $$$.
>
>
>

Re: 97 GC - Blower comes on by itself -- with no key!!
 

I do use the auto setup.
I have never seen an Er but will step thru your diag procedure.

Would a fault not cause the check engine light to go on?

When you say the controller is cooked, do you mean the
Blower Motor Power module or the Automatic Temperature Control
(ATC) Module or something else?

thx,
James


Lon wrote:
> PoBoy proclaimed:
>
>> Thanks to all on tips about my (non)heated seat.
>>
>> My other problem, ( i had this happen about a week ago, after i came
>> out of the car wash )
>>
>> I parked my truck, turn it off, heater fan stop ( normal ), then the
>> blower comes on -- and continues to run after removing key!!
>>
>> This morning, I am standing in my garage and I hear the blower come on
>> and run by itself.
>>
>> I looked on alldata, under blower and did some searching, could this
>> be the blower motor resistor, or blower motor relay?
>
>
> If this is the auto setup on the GC, more likely to be the controller
> gone skyward. Would make more sense than the manual system managing
> to do this.
>
>>
>> Something I could do my self?
>
>
> Yeah, although with the caution that the reason a shop would charge an
> arm and a leg is due to the sheer PITA factor.
>
>>
>> Any tips appreciated,
>
>
> If you have the auto temp control system, and ever see "Er" on the
> display note the numbers.
>
> You can completely run the ATC system thru every control from the
> panel, but first pull any stored fault codes:
>
> Press A/C and RECIRC and hold. Rotate control knob one click
> clockwise. This should light all indicators and segments on the
> display.
>
> Then release the A/C and RECIRC button, which should show test 00
> on the display.
>
> Then push ONE OF either A/C or RECIRC which should show a little
> stick figure. Any number other than 00 at this point should be
> recorded. You really don't want to see a 25 or 29, $$$.
>
>
>

Re: 97 GC - Blower comes on by itself -- with no key!!
 

You're not talking about the auxiliary radiator fan, that's meant
to stay on with engine heat, are you?
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

PoBoy wrote:
>
> Thanks to all on tips about my (non)heated seat.
>
> My other problem, ( i had this happen about a week ago, after i
> came out of the car wash )
>
> I parked my truck, turn it off, heater fan stop ( normal ), then
> the blower comes on -- and continues to run after removing key!!
>
> This morning, I am standing in my garage and I hear the blower
> come on and run by itself.
>
> I looked on alldata, under blower and did some searching, could
> this be the blower motor resistor, or blower motor relay?
>
> Something I could do my self?
>
> Any tips appreciated,
>
> James

Re: 97 GC - Blower comes on by itself -- with no key!!
 

You're not talking about the auxiliary radiator fan, that's meant
to stay on with engine heat, are you?
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

PoBoy wrote:
>
> Thanks to all on tips about my (non)heated seat.
>
> My other problem, ( i had this happen about a week ago, after i
> came out of the car wash )
>
> I parked my truck, turn it off, heater fan stop ( normal ), then
> the blower comes on -- and continues to run after removing key!!
>
> This morning, I am standing in my garage and I hear the blower
> come on and run by itself.
>
> I looked on alldata, under blower and did some searching, could
> this be the blower motor resistor, or blower motor relay?
>
> Something I could do my self?
>
> Any tips appreciated,
>
> James

Re: 97 GC - Blower comes on by itself -- with no key!!
 

You're not talking about the auxiliary radiator fan, that's meant
to stay on with engine heat, are you?
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

PoBoy wrote:
>
> Thanks to all on tips about my (non)heated seat.
>
> My other problem, ( i had this happen about a week ago, after i
> came out of the car wash )
>
> I parked my truck, turn it off, heater fan stop ( normal ), then
> the blower comes on -- and continues to run after removing key!!
>
> This morning, I am standing in my garage and I hear the blower
> come on and run by itself.
>
> I looked on alldata, under blower and did some searching, could
> this be the blower motor resistor, or blower motor relay?
>
> Something I could do my self?
>
> Any tips appreciated,
>
> James

Re: 97 GC - Blower comes on by itself -- with no key!!
 

No the blower under the dash, definitely not the rad fan.
When the thing turned on this morning , i was
just standing there looking at it,

It hadnt run since yesterday afternoon.

L.W.(ßill) ------ III wrote:
> You're not talking about the auxiliary radiator fan, that's meant
> to stay on with engine heat, are you?
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> PoBoy wrote:
>
>>Thanks to all on tips about my (non)heated seat.
>>
>>My other problem, ( i had this happen about a week ago, after i
>>came out of the car wash )
>>
>>I parked my truck, turn it off, heater fan stop ( normal ), then
>>the blower comes on -- and continues to run after removing key!!
>>
>>This morning, I am standing in my garage and I hear the blower
>>come on and run by itself.
>>
>>I looked on alldata, under blower and did some searching, could
>>this be the blower motor resistor, or blower motor relay?
>>
>>Something I could do my self?
>>
>>Any tips appreciated,
>>
>>James

Re: 97 GC - Blower comes on by itself -- with no key!!
 

No the blower under the dash, definitely not the rad fan.
When the thing turned on this morning , i was
just standing there looking at it,

It hadnt run since yesterday afternoon.

L.W.(ßill) ------ III wrote:
> You're not talking about the auxiliary radiator fan, that's meant
> to stay on with engine heat, are you?
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> PoBoy wrote:
>
>>Thanks to all on tips about my (non)heated seat.
>>
>>My other problem, ( i had this happen about a week ago, after i
>>came out of the car wash )
>>
>>I parked my truck, turn it off, heater fan stop ( normal ), then
>>the blower comes on -- and continues to run after removing key!!
>>
>>This morning, I am standing in my garage and I hear the blower
>>come on and run by itself.
>>
>>I looked on alldata, under blower and did some searching, could
>>this be the blower motor resistor, or blower motor relay?
>>
>>Something I could do my self?
>>
>>Any tips appreciated,
>>
>>James

Re: 97 GC - Blower comes on by itself -- with no key!!
 

No the blower under the dash, definitely not the rad fan.
When the thing turned on this morning , i was
just standing there looking at it,

It hadnt run since yesterday afternoon.

L.W.(ßill) ------ III wrote:
> You're not talking about the auxiliary radiator fan, that's meant
> to stay on with engine heat, are you?
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> PoBoy wrote:
>
>>Thanks to all on tips about my (non)heated seat.
>>
>>My other problem, ( i had this happen about a week ago, after i
>>came out of the car wash )
>>
>>I parked my truck, turn it off, heater fan stop ( normal ), then
>>the blower comes on -- and continues to run after removing key!!
>>
>>This morning, I am standing in my garage and I hear the blower
>>come on and run by itself.
>>
>>I looked on alldata, under blower and did some searching, could
>>this be the blower motor resistor, or blower motor relay?
>>
>>Something I could do my self?
>>
>>Any tips appreciated,
>>
>>James

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> I do use the auto setup.
> I have never seen an Er but will step thru your diag procedure.
>
> Would a fault not cause the check engine light to go on?

No, the ATC has its own set of diags. You can also step
the entire thing thru a full set of input and output checks
including stepping the fan, blend door, etc. etc. thru all
positions.
>
> When you say the controller is cooked, do you mean the
> Blower Motor Power module or the Automatic Temperature Control
> (ATC) Module or something else?

Hard to say, the ATC is what controls the blower, but I would
*think* that with the key off, it would take the power module
to make it come on with no ignition on.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> I do use the auto setup.
> I have never seen an Er but will step thru your diag procedure.
>
> Would a fault not cause the check engine light to go on?

No, the ATC has its own set of diags. You can also step
the entire thing thru a full set of input and output checks
including stepping the fan, blend door, etc. etc. thru all
positions.
>
> When you say the controller is cooked, do you mean the
> Blower Motor Power module or the Automatic Temperature Control
> (ATC) Module or something else?

Hard to say, the ATC is what controls the blower, but I would
*think* that with the key off, it would take the power module
to make it come on with no ignition on.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> I do use the auto setup.
> I have never seen an Er but will step thru your diag procedure.
>
> Would a fault not cause the check engine light to go on?

No, the ATC has its own set of diags. You can also step
the entire thing thru a full set of input and output checks
including stepping the fan, blend door, etc. etc. thru all
positions.
>
> When you say the controller is cooked, do you mean the
> Blower Motor Power module or the Automatic Temperature Control
> (ATC) Module or something else?

Hard to say, the ATC is what controls the blower, but I would
*think* that with the key off, it would take the power module
to make it come on with no ignition on.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> No the blower under the dash, definitely not the rad fan.
> When the thing turned on this morning , i was
> just standing there looking at it,
>
> It hadnt run since yesterday afternoon.
>
Hopefully you still have the "Enter Diag Mode" where you
press and hold the two buttons on the ATC, then click one
time to display a 0 with the stick figure.

While running diags, you can go back to test select mode by
turning the temp control one click in either direction which
should get rid of the stick figure and any arrows.

From the diags mode, turn the temp knob until the desired test
is displayed in the digits. Then press A/C or RECIRC to display
the value or select an output test mode by pressing again until
the display blinks. Normally you read an output first, then hit
that button again to run the actuator test.

For number display:

No arrows= 0-99
Middle [panel] arrow = 100-199
Panel + Defrost arrow = 200-299.

Test:

1 blower control switch, A/D convertor. Display only
2 blower feedback display only
3 blower speed, can run an actuator test
4 blower high speed relay can run actuator test.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> No the blower under the dash, definitely not the rad fan.
> When the thing turned on this morning , i was
> just standing there looking at it,
>
> It hadnt run since yesterday afternoon.
>
Hopefully you still have the "Enter Diag Mode" where you
press and hold the two buttons on the ATC, then click one
time to display a 0 with the stick figure.

While running diags, you can go back to test select mode by
turning the temp control one click in either direction which
should get rid of the stick figure and any arrows.

From the diags mode, turn the temp knob until the desired test
is displayed in the digits. Then press A/C or RECIRC to display
the value or select an output test mode by pressing again until
the display blinks. Normally you read an output first, then hit
that button again to run the actuator test.

For number display:

No arrows= 0-99
Middle [panel] arrow = 100-199
Panel + Defrost arrow = 200-299.

Test:

1 blower control switch, A/D convertor. Display only
2 blower feedback display only
3 blower speed, can run an actuator test
4 blower high speed relay can run actuator test.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> No the blower under the dash, definitely not the rad fan.
> When the thing turned on this morning , i was
> just standing there looking at it,
>
> It hadnt run since yesterday afternoon.
>
Hopefully you still have the "Enter Diag Mode" where you
press and hold the two buttons on the ATC, then click one
time to display a 0 with the stick figure.

While running diags, you can go back to test select mode by
turning the temp control one click in either direction which
should get rid of the stick figure and any arrows.

From the diags mode, turn the temp knob until the desired test
is displayed in the digits. Then press A/C or RECIRC to display
the value or select an output test mode by pressing again until
the display blinks. Normally you read an output first, then hit
that button again to run the actuator test.

For number display:

No arrows= 0-99
Middle [panel] arrow = 100-199
Panel + Defrost arrow = 200-299.

Test:

1 blower control switch, A/D convertor. Display only
2 blower feedback display only
3 blower speed, can run an actuator test
4 blower high speed relay can run actuator test.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

Yes the 2 button diag mode entry works,
I did the first diag procedure and got 00 code,
next i'll try the individual tests.

james

Lon wrote:
> PoBoy proclaimed:
>
>> No the blower under the dash, definitely not the rad fan.
>> When the thing turned on this morning , i was
>> just standing there looking at it,
>>
>> It hadnt run since yesterday afternoon.
>>
> Hopefully you still have the "Enter Diag Mode" where you
> press and hold the two buttons on the ATC, then click one
> time to display a 0 with the stick figure.
>
> While running diags, you can go back to test select mode by
> turning the temp control one click in either direction which
> should get rid of the stick figure and any arrows.
>
> From the diags mode, turn the temp knob until the desired test
> is displayed in the digits. Then press A/C or RECIRC to display
> the value or select an output test mode by pressing again until
> the display blinks. Normally you read an output first, then hit
> that button again to run the actuator test.
>
> For number display:
>
> No arrows= 0-99
> Middle [panel] arrow = 100-199
> Panel + Defrost arrow = 200-299.
>
> Test:
>
> 1 blower control switch, A/D convertor. Display only
> 2 blower feedback display only
> 3 blower speed, can run an actuator test
> 4 blower high speed relay can run actuator test.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

Yes the 2 button diag mode entry works,
I did the first diag procedure and got 00 code,
next i'll try the individual tests.

james

Lon wrote:
> PoBoy proclaimed:
>
>> No the blower under the dash, definitely not the rad fan.
>> When the thing turned on this morning , i was
>> just standing there looking at it,
>>
>> It hadnt run since yesterday afternoon.
>>
> Hopefully you still have the "Enter Diag Mode" where you
> press and hold the two buttons on the ATC, then click one
> time to display a 0 with the stick figure.
>
> While running diags, you can go back to test select mode by
> turning the temp control one click in either direction which
> should get rid of the stick figure and any arrows.
>
> From the diags mode, turn the temp knob until the desired test
> is displayed in the digits. Then press A/C or RECIRC to display
> the value or select an output test mode by pressing again until
> the display blinks. Normally you read an output first, then hit
> that button again to run the actuator test.
>
> For number display:
>
> No arrows= 0-99
> Middle [panel] arrow = 100-199
> Panel + Defrost arrow = 200-299.
>
> Test:
>
> 1 blower control switch, A/D convertor. Display only
> 2 blower feedback display only
> 3 blower speed, can run an actuator test
> 4 blower high speed relay can run actuator test.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

Yes the 2 button diag mode entry works,
I did the first diag procedure and got 00 code,
next i'll try the individual tests.

james

Lon wrote:
> PoBoy proclaimed:
>
>> No the blower under the dash, definitely not the rad fan.
>> When the thing turned on this morning , i was
>> just standing there looking at it,
>>
>> It hadnt run since yesterday afternoon.
>>
> Hopefully you still have the "Enter Diag Mode" where you
> press and hold the two buttons on the ATC, then click one
> time to display a 0 with the stick figure.
>
> While running diags, you can go back to test select mode by
> turning the temp control one click in either direction which
> should get rid of the stick figure and any arrows.
>
> From the diags mode, turn the temp knob until the desired test
> is displayed in the digits. Then press A/C or RECIRC to display
> the value or select an output test mode by pressing again until
> the display blinks. Normally you read an output first, then hit
> that button again to run the actuator test.
>
> For number display:
>
> No arrows= 0-99
> Middle [panel] arrow = 100-199
> Panel + Defrost arrow = 200-299.
>
> Test:
>
> 1 blower control switch, A/D convertor. Display only
> 2 blower feedback display only
> 3 blower speed, can run an actuator test
> 4 blower high speed relay can run actuator test.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> Yes the 2 button diag mode entry works,
> I did the first diag procedure and got 00 code,
> next i'll try the individual tests.
>
You might wish to cough up for the Factory Service Manual and Body
Diagnostic Manual from www.techauthority.com. Much of the stuff
presumes you have a scan tool, but the rest comes in handy even if
just so you can perform some of the road tests before having a
chat with your mechanic.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> Yes the 2 button diag mode entry works,
> I did the first diag procedure and got 00 code,
> next i'll try the individual tests.
>
You might wish to cough up for the Factory Service Manual and Body
Diagnostic Manual from www.techauthority.com. Much of the stuff
presumes you have a scan tool, but the rest comes in handy even if
just so you can perform some of the road tests before having a
chat with your mechanic.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> Yes the 2 button diag mode entry works,
> I did the first diag procedure and got 00 code,
> next i'll try the individual tests.
>
You might wish to cough up for the Factory Service Manual and Body
Diagnostic Manual from www.techauthority.com. Much of the stuff
presumes you have a scan tool, but the rest comes in handy even if
just so you can perform some of the road tests before having a
chat with your mechanic.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

The factory service manual is easy to find, but did you get the
'Body Diagnostic Manual' from them too? I couldnt seem to pull it up.

thx,
jt


Lon wrote:
> PoBoy proclaimed:
>
>> Yes the 2 button diag mode entry works,
>> I did the first diag procedure and got 00 code,
>> next i'll try the individual tests.
>>
> You might wish to cough up for the Factory Service Manual and Body
> Diagnostic Manual from www.techauthority.com. Much of the stuff
> presumes you have a scan tool, but the rest comes in handy even if
> just so you can perform some of the road tests before having a
> chat with your mechanic.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

The factory service manual is easy to find, but did you get the
'Body Diagnostic Manual' from them too? I couldnt seem to pull it up.

thx,
jt


Lon wrote:
> PoBoy proclaimed:
>
>> Yes the 2 button diag mode entry works,
>> I did the first diag procedure and got 00 code,
>> next i'll try the individual tests.
>>
> You might wish to cough up for the Factory Service Manual and Body
> Diagnostic Manual from www.techauthority.com. Much of the stuff
> presumes you have a scan tool, but the rest comes in handy even if
> just so you can perform some of the road tests before having a
> chat with your mechanic.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

The factory service manual is easy to find, but did you get the
'Body Diagnostic Manual' from them too? I couldnt seem to pull it up.

thx,
jt


Lon wrote:
> PoBoy proclaimed:
>
>> Yes the 2 button diag mode entry works,
>> I did the first diag procedure and got 00 code,
>> next i'll try the individual tests.
>>
> You might wish to cough up for the Factory Service Manual and Body
> Diagnostic Manual from www.techauthority.com. Much of the stuff
> presumes you have a scan tool, but the rest comes in handy even if
> just so you can perform some of the road tests before having a
> chat with your mechanic.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> The factory service manual is easy to find, but did you get the
> 'Body Diagnostic Manual' from them too? I couldnt seem to pull it up.

Hmmm, it was there when I ordered it, but that was a few years ago,
fairly cheap, and that may not be the name on the website, look for
something only about 10 bucks if memory serves.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> The factory service manual is easy to find, but did you get the
> 'Body Diagnostic Manual' from them too? I couldnt seem to pull it up.

Hmmm, it was there when I ordered it, but that was a few years ago,
fairly cheap, and that may not be the name on the website, look for
something only about 10 bucks if memory serves.

Re: 97 GC - Blower comes on by itself -- with no key!!
 

PoBoy proclaimed:

> The factory service manual is easy to find, but did you get the
> 'Body Diagnostic Manual' from them too? I couldnt seem to pull it up.

Hmmm, it was there when I ordered it, but that was a few years ago,
fairly cheap, and that may not be the name on the website, look for
something only about 10 bucks if memory serves.

Re: 97 GC - Mechanic Cant find Blower Relay
 

My mechanic just called, he says that the blower relay, which
supposed to be under the dash isn't where it should be.

He suspects that it may have been put under the dash in some
previous repair. I bought it in 2000 and this dealer is the only
guy who has worked on it . The vehicle itself is in great shape
but who's to say.

Could it be that the relay is in a different location, they have
all the manuals etc so i dont see how they could miss it.

PoBoy wrote:
> Thanks to all on tips about my (non)heated seat.
>
> My other problem, ( i had this happen about a week ago, after i came out
> of the car wash )
>
> I parked my truck, turn it off, heater fan stop ( normal ), then the
> blower comes on -- and continues to run after removing key!!
>
> This morning, I am standing in my garage and I hear the blower come on
> and run by itself.
>
> I looked on alldata, under blower and did some searching, could this be
> the blower motor resistor, or blower motor relay?
>
> Something I could do my self?
>
> Any tips appreciated,
>
> James

Re: 97 GC - Mechanic Cant find Blower Relay
 

My mechanic just called, he says that the blower relay, which
supposed to be under the dash isn't where it should be.

He suspects that it may have been put under the dash in some
previous repair. I bought it in 2000 and this dealer is the only
guy who has worked on it . The vehicle itself is in great shape
but who's to say.

Could it be that the relay is in a different location, they have
all the manuals etc so i dont see how they could miss it.

PoBoy wrote:
> Thanks to all on tips about my (non)heated seat.
>
> My other problem, ( i had this happen about a week ago, after i came out
> of the car wash )
>
> I parked my truck, turn it off, heater fan stop ( normal ), then the
> blower comes on -- and continues to run after removing key!!
>
> This morning, I am standing in my garage and I hear the blower come on
> and run by itself.
>
> I looked on alldata, under blower and did some searching, could this be
> the blower motor resistor, or blower motor relay?
>
> Something I could do my self?
>
> Any tips appreciated,
>
> James

Re: 97 GC - Mechanic Cant find Blower Relay
 

My mechanic just called, he says that the blower relay, which
supposed to be under the dash isn't where it should be.

He suspects that it may have been put under the dash in some
previous repair. I bought it in 2000 and this dealer is the only
guy who has worked on it . The vehicle itself is in great shape
but who's to say.

Could it be that the relay is in a different location, they have
all the manuals etc so i dont see how they could miss it.

PoBoy wrote:
> Thanks to all on tips about my (non)heated seat.
>
> My other problem, ( i had this happen about a week ago, after i came out
> of the car wash )
>
> I parked my truck, turn it off, heater fan stop ( normal ), then the
> blower comes on -- and continues to run after removing key!!
>
> This morning, I am standing in my garage and I hear the blower come on
> and run by itself.
>
> I looked on alldata, under blower and did some searching, could this be
> the blower motor resistor, or blower motor relay?
>
> Something I could do my self?
>
> Any tips appreciated,
>
> James

Re: 97 GC - Mechanic Cant find Blower Relay
 

PoBoy did pass the time by typing:
> My mechanic just called, he says that the blower relay, which
> supposed to be under the dash isn't where it should be.

Feel in the harness, working back from the resistor pack.
About a 1" cube covered in tape. It's got a "squareish"
feeling rather than the "roundish" loom.

IIRC it was close to the blower motor, possibly on the
back side or above the ducting.

It's there, just damn hard to find.


--
-- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!

Re: 97 GC - Mechanic Cant find Blower Relay
 

PoBoy did pass the time by typing:
> My mechanic just called, he says that the blower relay, which
> supposed to be under the dash isn't where it should be.

Feel in the harness, working back from the resistor pack.
About a 1" cube covered in tape. It's got a "squareish"
feeling rather than the "roundish" loom.

IIRC it was close to the blower motor, possibly on the
back side or above the ducting.

It's there, just damn hard to find.


--
-- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!

Re: 97 GC - Mechanic Cant find Blower Relay
 

PoBoy did pass the time by typing:
> My mechanic just called, he says that the blower relay, which
> supposed to be under the dash isn't where it should be.

Feel in the harness, working back from the resistor pack.
About a 1" cube covered in tape. It's got a "squareish"
feeling rather than the "roundish" loom.

IIRC it was close to the blower motor, possibly on the
back side or above the ducting.

It's there, just damn hard to find.


--
-- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!