I don't have access to it right now, but there is a recall for some of
them because the ground for the dash comes loose. There are two ground
wires and the bolts are too small for the threads or something so they
tap them out and put bigger bolts in to hold the wires to the dash.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's - Gone to the rust pile...
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

coryangst@hotmail.com wrote:
> Just bought an '03 Wrangler and drove the 1000 mile journey home with
> no instrument panel lights (Headlights, tail lights, gauges and
> warning lights all work fine). After googling the issue, I proceeded
> down the path of tracing out the issue.
> - Fuses were all ok (replaced them anyway)
> - Bulbs work fine (replaced them anyway)
> - Headlight Switch (ordered a new one and installed with no
> improvement)
>
> I've checked out the Haynes Manual wiring diagram, which provided
> little clarification. I thought the headlight rheostat was the issue
> since it is the only "switch" that affects all of the instrumentation
> lights. Replacement of that did nothing. All connections appear to
> be good with no signs of damage or wear.
>
> I originally thought the instrument panel may have a problem, but it's
> also affecting the A/C Control ***** and radio controls (none of which
> work either).
>
> Upon closer inspection, I've got a error code of P1687 ("No MIC BUS
> Message"). Research has yielded that there may be a problem with the
> CCD Bus, but I have no clue where it is (besides in the dash on the
> steering column) and how to determine if there is an issue.
>
> Has anyone had to dig this far and been able to find the issue? If
> so, please HELP!
>
> Thanks,
> Cory
>

 

I don't have access to it right now, but there is a recall for some of
them because the ground for the dash comes loose. There are two ground
wires and the bolts are too small for the threads or something so they
tap them out and put bigger bolts in to hold the wires to the dash.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's - Gone to the rust pile...
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

coryangst@hotmail.com wrote:
> Just bought an '03 Wrangler and drove the 1000 mile journey home with
> no instrument panel lights (Headlights, tail lights, gauges and
> warning lights all work fine). After googling the issue, I proceeded
> down the path of tracing out the issue.
> - Fuses were all ok (replaced them anyway)
> - Bulbs work fine (replaced them anyway)
> - Headlight Switch (ordered a new one and installed with no
> improvement)
>
> I've checked out the Haynes Manual wiring diagram, which provided
> little clarification. I thought the headlight rheostat was the issue
> since it is the only "switch" that affects all of the instrumentation
> lights. Replacement of that did nothing. All connections appear to
> be good with no signs of damage or wear.
>
> I originally thought the instrument panel may have a problem, but it's
> also affecting the A/C Control ***** and radio controls (none of which
> work either).
>
> Upon closer inspection, I've got a error code of P1687 ("No MIC BUS
> Message"). Research has yielded that there may be a problem with the
> CCD Bus, but I have no clue where it is (besides in the dash on the
> steering column) and how to determine if there is an issue.
>
> Has anyone had to dig this far and been able to find the issue? If
> so, please HELP!
>
> Thanks,
> Cory
>

 

I don't have access to it right now, but there is a recall for some of
them because the ground for the dash comes loose. There are two ground
wires and the bolts are too small for the threads or something so they
tap them out and put bigger bolts in to hold the wires to the dash.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's - Gone to the rust pile...
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

coryangst@hotmail.com wrote:
> Just bought an '03 Wrangler and drove the 1000 mile journey home with
> no instrument panel lights (Headlights, tail lights, gauges and
> warning lights all work fine). After googling the issue, I proceeded
> down the path of tracing out the issue.
> - Fuses were all ok (replaced them anyway)
> - Bulbs work fine (replaced them anyway)
> - Headlight Switch (ordered a new one and installed with no
> improvement)
>
> I've checked out the Haynes Manual wiring diagram, which provided
> little clarification. I thought the headlight rheostat was the issue
> since it is the only "switch" that affects all of the instrumentation
> lights. Replacement of that did nothing. All connections appear to
> be good with no signs of damage or wear.
>
> I originally thought the instrument panel may have a problem, but it's
> also affecting the A/C Control ***** and radio controls (none of which
> work either).
>
> Upon closer inspection, I've got a error code of P1687 ("No MIC BUS
> Message"). Research has yielded that there may be a problem with the
> CCD Bus, but I have no clue where it is (besides in the dash on the
> steering column) and how to determine if there is an issue.
>
> Has anyone had to dig this far and been able to find the issue? If
> so, please HELP!
>
> Thanks,
> Cory
>