Odd turn signal behavior...electrical gurus? - Team Camaro Tech
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post #1 of 5 (permalink) Old Mar 7th, 11, 09:04 PM Thread Starter
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Odd turn signal behavior...electrical gurus?

1967 Camaro

First, let me say that all the turn signals work as they should when the bulbs are installed.

I did notice something odd when changing out the rear bulbs though. With the rear bulbs out, if I try the left turn signal, the front left blinker will flash. When I try to turn the right blinker on, I get nothing up front if no bulb is installed on the right rear. Odd.

Once I install the bulbs in the rear, everything works fine. The only additional info that could be relevant is the front right turn signal might be slightly dimmer than the front left (probably different brand bulbs). Also, the right turn signal indicator on the dash hasn't worked since first getting the car, but it isn't the only dash light that needs attention.

What could be an explanation? I tried this several tines with the bulbs in and out, with the same results.
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post #2 of 5 (permalink) Old Mar 8th, 11, 06:17 AM
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Re: Odd turn signal behavior...electrical gurus?

Start checking all of your grounds. These cars are notorious for weird issues caused by bad grounds.

-Randy


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post #3 of 5 (permalink) Old Mar 8th, 11, 07:14 AM
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Re: Odd turn signal behavior...electrical gurus?

As Randy suggests, check all grounds and the inst cluster ground to the dash.
Right hand dash indicator could be the bulb itself or the socket-to-circuit board interface as one tab bent up or corrosion.

You might alleviate some t/sig problems by replacing the flasher next to the steering column with a 552LL flasher, heavy duty type.

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post #4 of 5 (permalink) Old Mar 8th, 11, 08:45 AM
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Re: Odd turn signal behavior...electrical gurus?

The dash cluster ground got me. Make sure the center dash bezel screw has a good dash ground.

-Randy


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post #5 of 5 (permalink) Old Mar 9th, 11, 05:48 PM
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Re: Odd turn signal behavior...electrical gurus?

Most turn signal flashers are designed for 2 bulbs. This way when a bulb goes bad it doesn't blink letting you know there's a problem. I always stick with the 2 lamp flasher for the signals and use the heavy duty flasher for the hazards. I'd rather have the car tell me a light's out than a cop.

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