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I have a very frustrating problem, as all electrical gremlins are. I thought I had a bad pass. side headlight, the high beam did not work, so I changed it. It still did not work. I checked the fuses and they were good and there was power present. I checked the harness plug the light plugs into and I had power there on low beam and high beam. When I plugged in the light, it would not light up. When checking the power in the plug I had zero volts, but remove the light and there was 12 volts present in the plug. How can that be? After cursing and then putting everything back together I turned on the lights and now neither high beam works and only the driver side low beam comes on. I checked for voltage at the #1 and #2 fuses and there was none. What the heck? Is the lo/hi beam switch shorting out?
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P-5761,

sounds to me like a switch contact is burned, high resistance, assuming your headlight wiring is stock, no relays installed. Could be the headlight switch, could be the ignition switch. I am at work, don't have the schematics available for a more "educated" guess.

If you have an ohm meter available, it would be wise to also check the resistance of the headlight ground wires (the third wire in each headlight socket).

If you're not aware, Bill Taylor has done a bang up job in providing diagrams of the Pantera electrical system, they are available for free on Mike Dailey's web site, the pantera place.

your friend on the DTBB, George
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