"Lee Ayrton" <layrton@panix.com> wrote in message
news:Pine.NEB.4.64.0702071527150.10739@panix3.pani x.com...
>
>
> Just a note: Users should be careful about metering problems like this
> without the proper load attached. A crappy ground connection can let you
> read full voltage at no load (leading you to think that it is OK), but the
> voltage evaporates when you plug the lamp back in.

exactly ................ the issue here is almost certainly interrupted
current flow under load


>
>
> On Wed, 7 Feb 2007, Highcountry wrote:
>
>> Step by step?
>>
>> A) Swap the headlamp bulbs and see if the problem travels with the
>> bulb. This would also be a good time to upgrade to a new set of
>> Wagner Tru-View lamps, you will be amazed how much better they are
>> than stock plus they don't overload the stock wiring and switch!
>>
>> B) If "A" didn't do the trick, take a Digital Multimeter (voltmeter)
>> and check the voltage at each headlight connector. Be sure to turn
>> on the lights and don't forget to switch them from "DIM" to "BRIGHT"
>> and check both circuits. Should be almost the same as checking
>> between the battery posts, without the engine running around 12.3 to
>> 12.6 volts. If they check good voltage, check the resistance of the
>> Ground Circuit of the headllight connector using the "Ohm meter"
>> feature of the Multimeter, it should be virtually "0.00". Sometimes
>> each headlamp has it's own ground circuit, you may have loosened one
>> during your mechanical adventure so trace the ground wires to see what
>> you have.
>>
>> Good luck, Bruce
>>
>>
>
> --
> "We began to realize, as we plowed on with the destruction of New Jersey,
> that the extent of our American lunatic fringe had been underestimated."
> Orson Wells on the reaction to the _War Of The Worlds_ broadcast.
>

 

Sounds like a bad ground on one side unless the ground wire inside the
light broke loose.

lynnhowlyn@aol.com wrote:
> OK - 1983 CJ7, essentailly stock as least in terms of the electrical &
> wiring.
>
> I took the grill and radiator out recently while replacing on the PS
> gearbox which meant disconnecting headlights, turn signals and etc and
> pulling the front harness.
>
> All of the lights (headlights, turn signal and etc) were working
> correctly before working on it.
>
> But when I re-installed everything, the drivers headlight is very dim
> (VERY dim) and the passenger headlight is pretty normal brightness.
> Turn signals work as well as before --- that is to sday , they work
> good.
>
> The harness was left connected to the bulkhead connector while I was
> working on the Jeep - which still starts and runs like it should
>
> I'm thinking a bad or loose ground, but can't see any loose wires
> or ??
>
> Any suggestions on where to start? Diagnostics? Haven't tried
> swapping bulbs side-to-side yet - but will when I get back into the
> shop.
>
> Thanks
>
> Lynn in Vancouver WA

 

Sounds like a bad ground on one side unless the ground wire inside the
light broke loose.

lynnhowlyn@aol.com wrote:
> OK - 1983 CJ7, essentailly stock as least in terms of the electrical &
> wiring.
>
> I took the grill and radiator out recently while replacing on the PS
> gearbox which meant disconnecting headlights, turn signals and etc and
> pulling the front harness.
>
> All of the lights (headlights, turn signal and etc) were working
> correctly before working on it.
>
> But when I re-installed everything, the drivers headlight is very dim
> (VERY dim) and the passenger headlight is pretty normal brightness.
> Turn signals work as well as before --- that is to sday , they work
> good.
>
> The harness was left connected to the bulkhead connector while I was
> working on the Jeep - which still starts and runs like it should
>
> I'm thinking a bad or loose ground, but can't see any loose wires
> or ??
>
> Any suggestions on where to start? Diagnostics? Haven't tried
> swapping bulbs side-to-side yet - but will when I get back into the
> shop.
>
> Thanks
>
> Lynn in Vancouver WA

 

Sounds like a bad ground on one side unless the ground wire inside the
light broke loose.

lynnhowlyn@aol.com wrote:
> OK - 1983 CJ7, essentailly stock as least in terms of the electrical &
> wiring.
>
> I took the grill and radiator out recently while replacing on the PS
> gearbox which meant disconnecting headlights, turn signals and etc and
> pulling the front harness.
>
> All of the lights (headlights, turn signal and etc) were working
> correctly before working on it.
>
> But when I re-installed everything, the drivers headlight is very dim
> (VERY dim) and the passenger headlight is pretty normal brightness.
> Turn signals work as well as before --- that is to sday , they work
> good.
>
> The harness was left connected to the bulkhead connector while I was
> working on the Jeep - which still starts and runs like it should
>
> I'm thinking a bad or loose ground, but can't see any loose wires
> or ??
>
> Any suggestions on where to start? Diagnostics? Haven't tried
> swapping bulbs side-to-side yet - but will when I get back into the
> shop.
>
> Thanks
>
> Lynn in Vancouver WA

 

Sounds like a bad ground on one side unless the ground wire inside the
light broke loose.

lynnhowlyn@aol.com wrote:
> OK - 1983 CJ7, essentailly stock as least in terms of the electrical &
> wiring.
>
> I took the grill and radiator out recently while replacing on the PS
> gearbox which meant disconnecting headlights, turn signals and etc and
> pulling the front harness.
>
> All of the lights (headlights, turn signal and etc) were working
> correctly before working on it.
>
> But when I re-installed everything, the drivers headlight is very dim
> (VERY dim) and the passenger headlight is pretty normal brightness.
> Turn signals work as well as before --- that is to sday , they work
> good.
>
> The harness was left connected to the bulkhead connector while I was
> working on the Jeep - which still starts and runs like it should
>
> I'm thinking a bad or loose ground, but can't see any loose wires
> or ??
>
> Any suggestions on where to start? Diagnostics? Haven't tried
> swapping bulbs side-to-side yet - but will when I get back into the
> shop.
>
> Thanks
>
> Lynn in Vancouver WA

 

Turned out to be a not just loose or bad - but completley missing -
ground wire. Broken off flush with the 3 prong socket tht the bulb
plugs into and thus was hard to see. Replaced the plug and now all is
well.

Thanks for everyone's input.

On Feb 8, 7:53 pm, "carn...@hotmail.com" <carn...@hotmail.com> wrote:
> Sounds like a bad ground on one side unless the ground wire inside the
> light broke loose.
>
>
>
> lynnhow...@aol.com wrote:
> > OK - 1983 CJ7, essentailly stock as least in terms of the electrical &
> > wiring.
>
> > I took the grill and radiator out recently while replacing on the PS
> > gearbox which meant disconnecting headlights, turn signals and etc and
> > pulling the front harness.
>
> > All of the lights (headlights, turn signal and etc) were working
> > correctly before working on it.
>
> > But when I re-installed everything, the drivers headlight is very dim
> > (VERY dim) and the passenger headlight is pretty normal brightness.
> > Turn signals work as well as before --- that is to sday , they work
> > good.
>
> > The harness was left connected to the bulkhead connector while I was
> > working on the Jeep - which still starts and runs like it should
>
> > I'm thinking a bad or loose ground, but can't see any loose wires
> > or ??
>
> > Any suggestions on where to start? Diagnostics? Haven't tried
> > swapping bulbs side-to-side yet - but will when I get back into the
> > shop.
>
> > Thanks
>
> > Lynn in Vancouver WA- Hide quoted text -
>
> - Show quoted text -

 

Turned out to be a not just loose or bad - but completley missing -
ground wire. Broken off flush with the 3 prong socket tht the bulb
plugs into and thus was hard to see. Replaced the plug and now all is
well.

Thanks for everyone's input.

On Feb 8, 7:53 pm, "carn...@hotmail.com" <carn...@hotmail.com> wrote:
> Sounds like a bad ground on one side unless the ground wire inside the
> light broke loose.
>
>
>
> lynnhow...@aol.com wrote:
> > OK - 1983 CJ7, essentailly stock as least in terms of the electrical &
> > wiring.
>
> > I took the grill and radiator out recently while replacing on the PS
> > gearbox which meant disconnecting headlights, turn signals and etc and
> > pulling the front harness.
>
> > All of the lights (headlights, turn signal and etc) were working
> > correctly before working on it.
>
> > But when I re-installed everything, the drivers headlight is very dim
> > (VERY dim) and the passenger headlight is pretty normal brightness.
> > Turn signals work as well as before --- that is to sday , they work
> > good.
>
> > The harness was left connected to the bulkhead connector while I was
> > working on the Jeep - which still starts and runs like it should
>
> > I'm thinking a bad or loose ground, but can't see any loose wires
> > or ??
>
> > Any suggestions on where to start? Diagnostics? Haven't tried
> > swapping bulbs side-to-side yet - but will when I get back into the
> > shop.
>
> > Thanks
>
> > Lynn in Vancouver WA- Hide quoted text -
>
> - Show quoted text -

 

Turned out to be a not just loose or bad - but completley missing -
ground wire. Broken off flush with the 3 prong socket tht the bulb
plugs into and thus was hard to see. Replaced the plug and now all is
well.

Thanks for everyone's input.

On Feb 8, 7:53 pm, "carn...@hotmail.com" <carn...@hotmail.com> wrote:
> Sounds like a bad ground on one side unless the ground wire inside the
> light broke loose.
>
>
>
> lynnhow...@aol.com wrote:
> > OK - 1983 CJ7, essentailly stock as least in terms of the electrical &
> > wiring.
>
> > I took the grill and radiator out recently while replacing on the PS
> > gearbox which meant disconnecting headlights, turn signals and etc and
> > pulling the front harness.
>
> > All of the lights (headlights, turn signal and etc) were working
> > correctly before working on it.
>
> > But when I re-installed everything, the drivers headlight is very dim
> > (VERY dim) and the passenger headlight is pretty normal brightness.
> > Turn signals work as well as before --- that is to sday , they work
> > good.
>
> > The harness was left connected to the bulkhead connector while I was
> > working on the Jeep - which still starts and runs like it should
>
> > I'm thinking a bad or loose ground, but can't see any loose wires
> > or ??
>
> > Any suggestions on where to start? Diagnostics? Haven't tried
> > swapping bulbs side-to-side yet - but will when I get back into the
> > shop.
>
> > Thanks
>
> > Lynn in Vancouver WA- Hide quoted text -
>
> - Show quoted text -

 

Turned out to be a not just loose or bad - but completley missing -
ground wire. Broken off flush with the 3 prong socket tht the bulb
plugs into and thus was hard to see. Replaced the plug and now all is
well.

Thanks for everyone's input.

On Feb 8, 7:53 pm, "carn...@hotmail.com" <carn...@hotmail.com> wrote:
> Sounds like a bad ground on one side unless the ground wire inside the
> light broke loose.
>
>
>
> lynnhow...@aol.com wrote:
> > OK - 1983 CJ7, essentailly stock as least in terms of the electrical &
> > wiring.
>
> > I took the grill and radiator out recently while replacing on the PS
> > gearbox which meant disconnecting headlights, turn signals and etc and
> > pulling the front harness.
>
> > All of the lights (headlights, turn signal and etc) were working
> > correctly before working on it.
>
> > But when I re-installed everything, the drivers headlight is very dim
> > (VERY dim) and the passenger headlight is pretty normal brightness.
> > Turn signals work as well as before --- that is to sday , they work
> > good.
>
> > The harness was left connected to the bulkhead connector while I was
> > working on the Jeep - which still starts and runs like it should
>
> > I'm thinking a bad or loose ground, but can't see any loose wires
> > or ??
>
> > Any suggestions on where to start? Diagnostics? Haven't tried
> > swapping bulbs side-to-side yet - but will when I get back into the
> > shop.
>
> > Thanks
>
> > Lynn in Vancouver WA- Hide quoted text -
>
> - Show quoted text -

 

Thanks for the update!

Mike

lynnhowlyn@aol.com wrote:
> Turned out to be a not just loose or bad - but completley missing -
> ground wire. Broken off flush with the 3 prong socket tht the bulb
> plugs into and thus was hard to see. Replaced the plug and now all is
> well.
>
> Thanks for everyone's input.
>
> On Feb 8, 7:53 pm, "carn...@hotmail.com" <carn...@hotmail.com> wrote:
>> Sounds like a bad ground on one side unless the ground wire inside the
>> light broke loose.
>>
>>
>>
>> lynnhow...@aol.com wrote:
>>> OK - 1983 CJ7, essentailly stock as least in terms of the electrical &
>>> wiring.
>>> I took the grill and radiator out recently while replacing on the PS
>>> gearbox which meant disconnecting headlights, turn signals and etc and
>>> pulling the front harness.
>>> All of the lights (headlights, turn signal and etc) were working
>>> correctly before working on it.
>>> But when I re-installed everything, the drivers headlight is very dim
>>> (VERY dim) and the passenger headlight is pretty normal brightness.
>>> Turn signals work as well as before --- that is to sday , they work
>>> good.
>>> The harness was left connected to the bulkhead connector while I was
>>> working on the Jeep - which still starts and runs like it should
>>> I'm thinking a bad or loose ground, but can't see any loose wires
>>> or ??
>>> Any suggestions on where to start? Diagnostics? Haven't tried
>>> swapping bulbs side-to-side yet - but will when I get back into the
>>> shop.
>>> Thanks
>>> Lynn in Vancouver WA- Hide quoted text -
>> - Show quoted text -
>
>