Electric circuit / alternator - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 08-06-2009, 07:24 PM Thread Starter
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Electric circuit / alternator

Hi:

If we rev the engine (power stroke 7.3L), all of our lights outside and inside the vehicle start to flash according to engine rpm. We looked for loose ground wire, but there is non. Does someone know what is wrong? Maybe the alternator? Suggestions to solutions are welcome.
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post #2 of 3 (permalink) Old 08-06-2009, 08:44 PM
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possibly the voltage regulator?

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post #3 of 3 (permalink) Old 08-06-2009, 09:39 PM
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i would want to at least look at battery voltage with a meter, or better yet and charging system tester to see if you have an intermittant charge. its possible that the alternator brushes or regulator are about to fail. you might look to see if the battery voltage and or alternator output is erratic. i know autozone and maybe other places will test your battery and charging system free.

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