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Electrical & Wiring Troubleshooting electrical problems.

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post #1 of 26 (permalink) Old Jan 8th, 20, 9:12 PM Thread Starter
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Help

Good day all. I just got done rewiring my 67 chevelle with AAW harness. Good news is it starts up and runs. The bad news is all the lights work but when I turn on headlight switch blinkers quit working. Turn headlights off..blinkers work. Sometimes good other times barely??????
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post #2 of 26 (permalink) Old Jan 8th, 20, 11:14 PM
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Re: Help

I am not sure, but I think there is a ground wire that goes between the headlight switch and the dash, should have a big round eyelet on it and the headlight switch retainer screw goes thru it and supplies the ground for the circuit!!

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post #3 of 26 (permalink) Old Jan 9th, 20, 10:02 AM Thread Starter
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I appreciate it. I will check it out.
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post #4 of 26 (permalink) Old Jan 9th, 20, 2:41 PM
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Re: Help

Yes, when weird things happen with electrical systems, it's nearly always a bad ground. Good Luck.
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post #5 of 26 (permalink) Old Jan 9th, 20, 2:56 PM
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Re: Help

Agree, it sounds like something in the turn signal circuit is seeking ground and finding it through the headlight circuit when the headlights are off.

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post #6 of 26 (permalink) Old Jan 9th, 20, 5:34 PM Thread Starter
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I put the battery in the trunk. Grounded the engine block to the frame up front. Grounded the battery to the frame. In the trunk...Thoughts...
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post #7 of 26 (permalink) Old Jan 9th, 20, 5:42 PM
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Re: Help

Have you connected the body ground wire to the chassis or engine block?

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post #8 of 26 (permalink) Old Jan 9th, 20, 5:49 PM Thread Starter
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I have no real body ground. Up front I have frame to engine block. In back I have battery to frame.
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post #9 of 26 (permalink) Old Jan 9th, 20, 6:17 PM
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Re: Help

Quote:
Originally Posted by Hookem6 View Post
I put the battery in the trunk. Grounded the engine block to the frame up front. Grounded the battery to the frame. In the trunk...Thoughts...
Looks like the engine and frame and battery are all electrically connected, but what about the car body???
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post #10 of 26 (permalink) Old Jan 9th, 20, 6:59 PM Thread Starter
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Car body to..???
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post #11 of 26 (permalink) Old Jan 9th, 20, 7:01 PM Thread Starter
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Frame..??
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post #12 of 26 (permalink) Old Jan 9th, 20, 7:50 PM
 
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Re: Help

Quote:
Originally Posted by RAIDER SS View Post
Looks like the engine and frame and battery are all electrically connected, but what about the car body???
The factory grounded everything to everything else. Engine to firewall/body, body to frame, and body to dash. Try connecting the frame to body and to dash.

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post #13 of 26 (permalink) Old Jan 9th, 20, 10:19 PM Thread Starter
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Tried that. Same thing happens. Gonna check the flasher fuses later. I tried 3 of them and they all did different things.
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post #14 of 26 (permalink) Old Jan 9th, 20, 11:08 PM
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Re: Help

Quote:
Originally Posted by RAIDER SS View Post
Looks like the engine and frame and battery are all electrically connected, but what about the car body???
Quote:
Originally Posted by Hookem6 View Post
Car body to..???
Do you have all the proper ground straps to the body; block to firewall, frame to inner fenders, and come to think of it - wasn't there a secondary wire off the battery cable that originally attached directly to the core support as well? If your battery is on the trunk, then it should go to the truck metal somewhere....
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post #15 of 26 (permalink) Old Jan 9th, 20, 11:10 PM
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Re: Help

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Originally Posted by Hookem6 View Post
Tried that. Same thing happens. Gonna check the flasher fuses later. I tried 3 of them and they all did different things.

Another reason to suspect grounds are your issue.
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