I'd betone of you bulbs is bad.
C5 blinker problem
Thread Starter
7th Gear
Joined: Dec 2011
Posts: 7
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C5 blinker problem
Hey guys, I own a 1999 c5 and my left taillights aren't working, and my blinker blinks rapidly when I turn the blinker to the left position. I have checked the bulbs in the taillights and they are fine, what could be my problem? Thanks!
Team Owner
Joined: Jul 2006
Posts: 22,086
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From: Kannapolis NC
Measure for 12 volts at the socket for the bulb. Measure the ground connection from the bulb socket to the chassis. One of those two things has to be missing if the bulb is good and making good connection. Check the connection a short distance away in the wiring by disconnecting it and looking at the pins and clean if necessary. It really only takes two things for a bulb to light, voltage and ground. One has to be missing (if the bulb is really good) Keep in mind that the voltage passes through the turn signal switch and if all the other connections check good, it could possibly be in that area.
Le Mans Master
Joined: Sep 2006
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From: Palm Harbor not far from Sebring Florida
St. Jude Donor '11
Oldtimer
Our you sure both elements are good? I believe that one element is for the standard tail light and the other is the turn signal/blinker. When the indicator on the dash blinks fast it means that either the front or rear is not working.
Le Mans Master
Joined: Sep 2006
Posts: 9,592
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From: Palm Harbor not far from Sebring Florida
St. Jude Donor '11
Oldtimer
It sounds like the rear bulb is the issue. I just change the right front on mine the other day. The parking light was working fine, but no turn signal, The rear blinked and the indicator on the dash was blinking fast. The rear is a lot easier to change then a front.
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Joined: Dec 2009
Posts: 61
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From: Torrance CA
I just had this same problem, cause being the rear inboard-left lamp being completely out, and popping in a new bulb didn't help.
Solution was taking my C5 to a dealer (Selman Chevrolet in Orange--they do an excellent job with tricky problems) and having them remove the socket, and replace it. Turned out to be a cheap fix ($33) and solved my problem.
Solution was taking my C5 to a dealer (Selman Chevrolet in Orange--they do an excellent job with tricky problems) and having them remove the socket, and replace it. Turned out to be a cheap fix ($33) and solved my problem.
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Joined: Oct 2009
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From: Centennial Colorado
What happens when you turn on the emergency flashers?
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From: Torrance CA
Race Director
Joined: Aug 2003
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From: Lake Mary Florida
That's funny. I have full confidence in you that you could pop out the pins from the old socket and insert the wires into a new one. They are color coded so it shouldn't be a problem getting the wires mixed. It's probably best to drop the underside close out panel and give easy access to the lamp.
The problem is the lamps produce so much heat it damages the socket.
I ended up with some extra parts, so I've been having a sale of sorts to clear all these parts out. That's the only reason I mentioned it.
The problem is the lamps produce so much heat it damages the socket.
I ended up with some extra parts, so I've been having a sale of sorts to clear all these parts out. That's the only reason I mentioned it.
