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Repair guides and support for C/K pickup trucks sold by General Motors under the GMC brand, including the GMC Sierra.

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wiring problems with turn signals and running lights,.

I have a 1998 GMC Sonoma pickup that has been sitting for 1 1/2 years. left turn signal blinks rapidly while right TS is ok. If I put on running lights, both turn signals blink rapidly. and the taillights blink strange and then stop all together. The license plate lights were also blinking, I removed the bulbs and taillights still the same. inspected under the rear of the truck and found nothing disturbed. Changed electronic flasher and no changes. If running lights are off, right turn signals operate normally, but left side blinks rapidly. Suspect a ground problem, but ground on rear of frame look good and connected.

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There is a very good chance an animal has bitten your wires and somewhere along the line there are probably 2 wires touching metal to metal. If you can I would find a schematic and follow the harness but it is most likely under the dash. I had a very similar problem on a 94 mustang GT but eventually gave up and sold it as is. My speedo was not working either. But now that I am older and wiser I think I could have fixed it.

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My 1990 GMC had a similar problem. I found oxidation on the rear sockets as well as a loss of "holding tension" of the turn signal bulb socket. I cleaned all the socket contacts with Tarn-X and carefully bent the weak socket contacts closer together, gripping the bulb better.

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l have the same problem

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pete armstrong sonsuza kadar minnettar olacak.
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