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Headlight switch- Ground Problem? 700

posted by  Rtilghman on  Wed Jan 30 05:31 CST 2002
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The functions are:

left: off
mid: parking lights
rght: full lights

Your problem is undoubtedly the main/headlights relay behind the ashtray. This relay manages the lighting functionality, and is 2x12volts. Perhaps one of the 12 volt circuits went dead in the relay or something else happened. I accidentally replaced my 2x12v relay with 1x24 once and the middle setting (parking lights) would perform the same functionality as the full lights position. I spent hours trying to diagnose it, only to discover my mistake with the damned relay.

Pull the relay and replace with a new or known working one and i believe it will solve your problem. I'd try to tell you which relay to change, but every relay map I've seen for this particular relay is wrong/different. Just turn on the lights and pull the front row relays one by one until it they go out (mine headlight relay is in the front row).

Good luck,
-Rick






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