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blinker indicator staying on....


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I took my truck to the body shop for straightening and paint. When I got it back the entire inside of the cab was covered in a thick paint dust. they completely sanded the hood. Now when I turn my head lights on the drivers side turn signal indicator light stays on. Everything else seems to be working fine. I'm wondering if some dust got into a connections. Does anyone know why this would be happening? What I should look for?

 

Thanks, D

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Just went through this in mine, bad ground inside the socket.  First remove the bulb and make sure the ground tab on the side of the socket is clean, and also make sure there is no corrosion on the bulb itself where the ground tab touches it.  If everything looks good, take your test light and clip it to the positive side of the battery, and touch the probe to the ground tab.  You should have a bright light.  If your test light doesn't light up, or is dim, bad ground.  I condemned the socket by poking the probe of the test light into the ground wire as it comes out of the socket.  Got a bright light so I knew the problem was the socket.  The turn indicator lights up dimly when you turn the lights on because the park lamp is trying to ground itself through the turn signal circuit.

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  • 2 weeks later...

I replaced both front turn signal bulbs. Cleaned with electronics cleaner and Scraped the connections real good. Same problem remained. Several days later the dash light is normal. So, I don't know what caused it or fixed it. I'm going to do the cleaning for the rear lights and do crusers number 3 anyway.

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Just went through this in mine, bad ground inside the socket.  First remove the bulb and make sure the ground tab on the side of the socket is clean, and also make sure there is no corrosion on the bulb itself where the ground tab touches it.  If everything looks good, take your test light and clip it to the positive side of the battery, and touch the probe to the ground tab.  You should have a bright light.  If your test light doesn't light up, or is dim, bad ground.  I condemned the socket by poking the probe of the test light into the ground wire as it comes out of the socket.  Got a bright light so I knew the problem was the socket.  The turn indicator lights up dimly when you turn the lights on because the park lamp is trying to ground itself through the turn signal circuit.

A multi meter is a much more reliable way to perform this test and I think everyone should have one.

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