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What is wrong with my left turn signal. on my 1989 Caprice Classic. The indicator arrow stays on all the time.

Posted by Anonymous on


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Posted on Jan 02, 2017

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Yep, happened to me as well. Same side and everything. Turns out they have to replace a component on the BCM by replacing the BCM itself. Runs about $1000 - $1200 at the dealer. Tough luck but there is a chance it is still covered under your warranty.

Posted on Mar 10, 2009

  • 76691 Answers

SOURCE: Turn signals not working on 1998 Jeep Grand Cherokee

the problem is the turn signal flasher module.

Posted on Apr 02, 2009

  • 61 Answers

SOURCE: Driver side signals only work when headlights are OFF

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

  • 2007 Answers

SOURCE: Right Turn Signal acts like the Emergency Flasher.

If you have an aftermarket trailer plug on your truck, you are going to want to inspect the wiring to the plug, and the connections in the plug. I think it's shorting out.

Posted on Jun 18, 2009

  • 3600 Answers

SOURCE: Left turn signals not working and left turn signal

one of the left turn signal bulbs is burned out. turn them on and look to see which one is out when you see one not on replace it and you are up and running again.

Posted on Sep 23, 2009

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