Turn signals not working with lights on - Team Camaro Tech
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post #1 of 9 (permalink) Old May 28th, 12, 01:28 PM Thread Starter
Cory
 
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Turn signals not working with lights on

I have a 69 when the lights are on the turn signals and brake lights do not work. The signals and brake lights work fine with the lights off. I checked the grounds and opened up the tail light harness and had no luck. Check headlight grounds still nothing. Anyone run across a pain like this. Any help would be greatly appreciated. I have been reading alot of posts here but not finding much help, I even ran a ground wire from the rear to the battery with no change.
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post #2 of 9 (permalink) Old May 28th, 12, 02:45 PM
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Al
 
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Re: Turn signals not working with lights on

I would check plug connections for dirty contacts. Bulkhead connector for the fronts and both connectors for the trunk harness. Also the harmonica connector on the steering column as well as headlight switch and dimmer switch plugs.


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post #3 of 9 (permalink) Old May 28th, 12, 06:01 PM
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Re: Turn signals not working with lights on

In addition to Al's suggestions, I would wire brush the red wire connections from the battery pigtail to junction block to horn relay buss bar.

Your symptoms reads as not enough power is getting through, especially brake lights as they are powered directly from battery through the fuse panel. Might even clean fuse panel receptacles for the fuses.

For a science project, you might hook up a battery charger and try the brake lights, then turn signals.

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post #4 of 9 (permalink) Old May 28th, 12, 06:23 PM Thread Starter
Cory
 
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Re: Turn signals not working with lights on

Thanks for the suggestions, I had the charger on the battery the whole time so there should have been plenty of juice. I also put in a new headlight and dimmer switch. Cleaned some of the sockets have some to go but still no change. Time to walk away until another day before I shoot it.
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post #5 of 9 (permalink) Old May 28th, 12, 06:31 PM
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Al
 
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Re: Turn signals not working with lights on

Could also be something as simple as a funky T/S bulb or socket (front or rear) or HL bulb/socket.- you might pull them one at a time and see what you get.


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post #6 of 9 (permalink) Old May 29th, 12, 03:07 AM
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Re: Turn signals not working with lights on

Do brake lights and turn signals work with just parking lights on?
If you get a chance, pull out a rear socket remove the bulb, and test each contact for available voltage of each function.
Do hazards work?

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post #7 of 9 (permalink) Old May 29th, 12, 03:56 PM Thread Starter
Cory
 
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Re: Turn signals not working with lights on

The brakes and turn signals do not work with the parking or headlights. I will test for voltage at each socket and see what that does. I also noticed there is no 4 way flasher switch in the column (at least not a spot to screw the knob on). Maybe that is the problem?
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post #8 of 9 (permalink) Old May 29th, 12, 06:19 PM
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Re: Turn signals not working with lights on

Very well could be the problem. Hazards overrule all lights except headlamps and brake lights. Switch could be in the ON position. Flasher installed in fuse panel for hazards?
Turn signal flasher, 512, will not work, but a 552 heavy duty flasher will work. In fact, 552 in both places will work

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post #9 of 9 (permalink) Old Jun 1st, 12, 03:22 PM Thread Starter
Cory
 
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Re: Turn signals not working with lights on

Finally found the problem it was the aftermarket Amp gauge shorting out. By passed that and everything is working right now. Thanks for all the help guys
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