Question about Cars & Trucks
The driver's side turn signal was not working (front blinks fast, indicating (usually) burned out tail light. There are 2 bulbs behind the rear lens. If I turn on the headlights, only 1 of them lights up. On the right side, both light up, so I figured I found the bad bulb. But after I replaced it, I had the same problem. I tested the old bulb with an ohm meter and found it to be good. I tested voltage to the problematic bulb and it has no voltage.There is no left/right fuse; only a single fuse for both, so I don't think it's a fuse.What could be the problem? It's as if the wire itself is broke somewhere.
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Posted on Jan 02, 2017
What may have happened is either the headlights wiring or the parking lights wiring somewhere along the wiring fused to the left turn signals wiring. Depending on if the turn signals go on when you put the parking lights on or the headlights on.
If the signals come on when you turn on the headlights than you only need to locate the light green wire that comes off the left turn signal harness.
Next follow that wire the entire way back to the firewall looking for another wire fused to that wire as you go.
If there are no signs of this you need to continue looking on the other side of the firewall all the way back to the turn signal and hazard flasher unit which is a black box that connects to a black harness located next to a grey harness behind the knee bolster.
But if the signals come on when you turn on the parking lights than you will also need to check the wiring from the rear left signal and follow that light green wire all the way back to the turn signal and hazard flasher unit.
This should fix your problem, but if not than your problem may lay within the the wiring between the turn signal/hazard switches and the turn signal and hazard flasher unit.
Also you may have a burnt circuit in the junction block. This block is where the light green from the rear left signal and front left signal meet. Don't have a description but if you cannot find it let me know and I will go out to the yard and look myself and let you know.
Posted on Apr 24, 2009
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