Question about 1983 Chevrolet Blazer
Tried a new headlight switch, cant find any blown fuses, the parking lights work
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Posted on Jan 02, 2017
If you have replaced the switch, and it is still doing it it sounds like you definately have a short somewhere in your wiring. On the other hand if the dimmer is in the turn signal arm ( forward bright back dim ) the problem could also be there in the dimmer switch, such as a short being caused by that dimmer switch being faulty.Auto Zone and Discount Auto Parts both test a lot of your electrical problems for free, and/or may have some knowledge to more accurately pin point the problem. Not sure about Pep Boys or some of the other discount auto part chains.
Posted on Nov 18, 2008
With electrical problems I always look for a bad ground wire, especially on older vehicles. Look for any wire that goes to an inner fender or the engine, there maybe a faulty relay in the circuit too. good luck, Chuck
Posted on Mar 17, 2009
Was sent in by another poster, just posting his results which fixed mine. Problem was relay $50.00 at GM only.
Check the relay module. 45 or 46. on the engine relay block. you can swap the two they are the same part number, then you will know. Dont start the engine, just check the lights. If it works replace the relay module. You may have to order the part from the parts store. Or go to the dealer to get it.
Posted on Mar 25, 2009
Did you replace the relay for the day time running lights which for some dumb reason is mounted under the front bumper? Climb under and look straight up and you should see it...mine was mounted in about the center (on the frame in front of the radiator. Sounds similar to an issue I had and it cleared up once I replaced the part...had to get from dealer still.
Posted on Jun 05, 2009
Check power at both headlights. Often one goes out and you don't notice till the other goes out. if both have power change the bulbs...if not check the switch and fuses as well as the dimmer switch.
Posted on Jan 09, 2010
Testimonial: "Thanks for the help. Now I just need to know where that fuse is located as I don't have a manual for the car"
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