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Old 10-09-2019, 03:29 AM
dboles dboles is offline
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Question Electrical Gremlin

When driving at night with the headlights on. While waiting at a stop light. Foot on the brake and turn signal on. The tach needle bobs up and down in time with the turn signals.

Where should I start looking to find the culprit?

69 Camaro. Headlights are standard seal beams.
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Old 10-09-2019, 11:52 AM
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Bad ground?
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Old 10-09-2019, 12:54 PM
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Yep. Question now is, where?
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Old 10-09-2019, 02:07 PM
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'

Does it happen when stepping on the brake too?
If not, it may be worth trying another Flasher unit?

~ Pete

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Old 10-09-2019, 09:38 PM
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I found a broken ground wire on the right headlight on my '69 Camaro a few weeks ago. Both headlights have a ground wire that is attached to the radiator support.
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Old 10-10-2019, 09:59 PM
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the brake is also being applied when this happens.
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