Question about 1989 GMC K1500

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Turn signals don't work

The tail lights and hazard flashers work. There is power to the fuse in the fuse panel. I have replaced the turn signal switch in the steering column. Older vehicles had 2 circuits. 1 for hazards, 1 for turn signals. I am not sure whether this has 2 circuits or not but I can only find 1 flasher relay and it is wotking with the hazard flashers. Is there a relay on the fuse box that is for the turn signals but does not look like the hazard relay. NAPA says the turn signal relay and the hazard relay are the same type but don't say whether there is one or 2 in the circuit..

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  • FRYNTYR Apr 12, 2009

    I have the same problem and have not found another relay yet. Hazard flashers work but nothing on the turn signals, nothing even comes on.

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I have a similar problem but my left signal works, when i turn the right on it just does an annoying buzz sound. if you can think of any explination for such shinanogins help would be greatly appreciated

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You should have a flasher for the turn signals as well as one for the hazard flashers turn signal flasher can be in fuse box on drivers side or mounted to steering column

Posted on Nov 30, 2008

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