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Old 06-14-2003, 01:24 AM
OLDS Guy
 
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Voltage Drop

I have a '72 442 convertible I purchased new. When I use one electrical accessory such as the power windows when another is running, the accessory seems to run slightly dim or slowly. The alternator output and battery output seem to be okay. Could a 31-year old wiring harness have an increasingly high voltage drop? That's a little more complex for me to check.

Thanks for any experience.

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Old 06-14-2003, 01:44 AM
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check the voltage regulator. i have $5 on the voltage regulator.....
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Old 06-14-2003, 02:46 AM
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Thanks for the tip. My car has an integral voltage regulator, but I'll see what develops.

Thanks again.

P.S. Years ago, tracking down problems used to be a lot easier!
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Old 06-14-2003, 08:35 PM
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31 years can do a lot of things to wires, eh? MAYBE there's a weak connection somewhere?

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Old 06-14-2003, 09:19 PM
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What's your idle speed? Sometime raising it a little is all you need.
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Old 06-16-2003, 02:17 PM
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Take a look at all the grounds. All those years of moisture will leave the connecting points pretty rusted.
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Old 06-16-2003, 03:48 PM
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Voltage Drop

Quote:
Originally posted by rnpit
Take a look at all the grounds. All those years of moisture will leave the connecting points pretty rusted.
Thanks for the idea. A little sandpaper, some WD-40 and a skosh more idle speed may fix the problem.
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