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Errr, I'm not sure how headlights work.... 200

posted by  EdM. on  Fri Oct 26 20:05 CST 2007
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last visit: Mon Apr 21 17:57 CST 2014
[RELATED]

Hmmm...

I'll have to assume an '82 is wired up similar to an '83 (oldest wiring diagram I have), which is wired up similar to my '90.

If so, there's a big honkin' relay, the main headlight relay, on the driver's side edge of the engine bay. It looks like this:

http://img.eautopartscatalog.com/live/P204016980SWF.JPG

The red wires coming out of it go to the high beams and to the ignition switch. Since you've proven to yourself that the bulb isn't at fault, you should check the continuity of these wires from the relay to the high beam plugs. If the wiring comes up good, you'll have to replace the relay itself. My reasoning is that power comes in to this relay on one wire, then branches off to the high beams on either side, so any failure before the relay should cause the lights to fail on both sides.

By the way, have you cleaned the connectors in the plug on the side that's not working?

Good luck!
-EdM.
--
'90 240DL Wagon 'Lola' -- '72 1800ES 'Galadriel'






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