Question about 1993 Honda Prelude

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Electrical problem with charging.

I know of a friend that has a 1993 Honda Prelude SI and he is having issues with. He states the alternator is charging fine but it can't keep up with the drain. the alternator charges at 13 amps and the short is draining 9 amps, so the battery can't charge as fast as the drain. What to do??? Please help!
Charles

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Well, you need to find out what is shorting. You can turn the car off and using a Volt/ohm meter on the amp setting, remove each fuse one at a time. The power across a fuse with the vehicle static should be in the milliamp range. How does he know it is drawing 9 amps? You pull each fuse and check in and reinstall and move on to the next one until you find the short.
Some times the alternator has internal shorts. It's pretty easy to remove it and take it to AutoZone for a free test. Just remember to remove the battery cable when removing it.

Posted on Apr 25, 2009

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Posted on Jan 02, 2017

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