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I reinstalled the headlights & connected them up today. When I turn the light switch on, the lights illuminate as they should, but the motors go into a continuous cycle - up, down, up, down etc. I vaguely recall reading about this issue in the past but I can't find any info on it.
A little history - the headlamp pods were completely disassembled, cleaned & reassembled, but the motors themselves were not cracked open.
Any info and/or suggestions is greatly appreciated!

Jon

'80 DHC
Chevy V8 up front
Ford rear end down back
Lucas wiring all over

Hi Jon,

Is it one or both headlamp getting ' Funky ' ! ?

Would as a first step check all connections behind the headlamps and the earths at this point.

Did this problem occur only after rebuilding the units ?

Cheers John


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1976 Speke FHC Beauty Now with an overdrive conversion

1979 3.5 FHC(STATUS PENDING!!)

1982 2.0 DHC NOW A 4.6, BUILT NOT BROUGHT !!!!

John, the issue is occurring with both headlights. They worked fine when I removed them from the car 5 1/2 years ago when I began the restoration. This the first time they have been back in the car since I took them apart for cleaning

'80 DHC
Chevy V8 up front
Ford rear end down back
Lucas wiring all over

Jon, if you have not disassembled the motors then it is not so likely that there is a problem with the limit switches in both motors at the same time.

Apart from the engine bay earths, the earths for the run/stop relays in the fuse box area would be a good place to check - if the relays don't earth then the pod motors will keep running.

If you can follow electrical circuits then this is a very helpful explanation of how the lights work:

http://www.team.net/TR8/tr8cca/wedgelab ... lights.htm


Tony

<font size="1">1981 TR7 FHC Cavalry Blue
1980 TR7V8 DHC Jaguar Regency Red - sadly sold!
1977 TR8 FHC EFI Factory development car Inca Yellow</font id="size1">

In case you haven't solved this yet... If its not the earths for the limit switches and the lights go up and down for 5 minutes of so and finally stop in the up position, then perhaps the diodes in the circuit need to be replaced. I had a friend with this problem years ago and replacing the diodes was the solution.

After 5 1/2 years without use, I would be going up and down too [:D][:0][:I]

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