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Turn signal/Headlights issue.
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Question
porter18
2005 Silverado Crew Cab
The other day I noticed my right turn signal was lit dimly on the dash but it turned off within a few miles of driving.
Then it happened again on Friday morning lasting for around 20 minuets of driving through the middle of nowhere so I didn't want to stop. This time the dash actually chimed and said "turn signal on" until it stopped.
Finally on Friday night it did it again when I left the store, This time I was able to get out and test exactly what was happening.
First noticed that the parking filament is off on the front turn signal and the turn filament was barely lit, at the same time the low beam on that side is visibly dim and both high beams are glowing just a bit.
The driver turn signal works fine, but when I turn on the passenger side one it flashes properly in the dash, but all the lights that are acting strange on the truck just pulse a bit with the flasher.
The issue is intermittent and only occurs when headlights are on. Switching to parking lights only stops the issue.
Pulled some bulbs to look for possible corrosion or weak connections and had some interesting results.
Pulling the front or rear turn signal bulbs had no effect on the issue
I cant remember which did what at the moment but did test unplugging the high and low beam bulbs on that side and one caused the issue to correct, and pulling the other caused the parking and turn bulbs to go out completely.
Couldn't find any other similar issues online anywhere so I'm hoping for a little bit of guidance before I tear the whole front corner apart to examine the entire harness.
Since the first suggestion was a ground issue, I forgot to mention I pulled both front body grounds for the lights last month and cleaned them up because the horn was randomly squawking when togging brights.
So I wouldn't think that particular ground point would be weak again. Unless maybe I need to cut the whole connector off and re attach the 5-6 wires to a new connector to bolt to the body?Multi tester revealed that the connection between those wires and that frame are good, but the connection between that frame rail and the rest of the truck is weak.
Question now becomes is there a ground strap for that part of the frame or is it just bad connection through frame bolts? Or do I need to add a ground strap of my own somewhere to improve the connection?
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