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Gauge and HVAC lights keep going out. Have replaced headlight switch twice. seems to happen after major bumps. New switch fixes issues though.

Posted by Anonymous on

  • Anonymous Mar 28, 2015

    it started after I fixed to loose speaker wires in my radio harness.

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  • Cars & Trucks Master
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Year make and model helps. Most ground points for the dash are behind the kick panel to the left of your feet. On older cars they are up by the steering column. Loosen them up and retighten. This way you know they are grounded. Next , pull the light switch out and unplug it. Use a bright like and closely look at the harness plug. What you are looking for is corrosion(white to greenish color) and more importantly is if all the female tabs inside the plug look the same. You look at one, does the gap look the same on the others? Power wires heat up, the tabs expand and eventually not get a good contact.

Posted on Mar 28, 2015

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New switches? so you have already fixed this problem?

Posted on Mar 28, 2015

Testimonial: "no it keeps going out a day after putting a new switch in. Is there some other issue? I can't have bought 3 bad switches in a row?"

  • gbob59 Mar 28, 2015

    No, not likely. Could be a bad connection some where between switch and headlight. I would bet it is at the dimmer switch. Grounded connection with the body is corroded, Connections to the dimming switch, or the switch itself. But that doesn't explain the dash light issues. So it may be the power suply to all of those before it gets to the switch. Possibly at the fuse, or a bad fuse that on bounce causes bad connection. I have seen that problem. Fuse looks perfect but is very sensitive. I'd check the fuse. Next try to find any bad connections that would be affected by the bounce. Also possible is a wire that is almost apart, and the bounce causes the problem. Difficult to find but keep trying.

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Sorry this posting is so short, just worked a 14hr day. If you need further help with replacing the switch I can walk you though the process.

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