Question about 1991 Acura Integra Hatchback

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'91 integra- the battery light just came on. The battery is fine...(charged and clean connections) The light will go out at 2800 rpm and come back on at idle. There is no pulsing or revving. Any ideas...thanks

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All the light means is that the charging system is having a problem.
It's probably not the battery at allbut may be the alternator or the voltage regulator.
first check all the connections at the battery and alternator first then check all ground straps you can see these will be a thick wire or strap attached to the engine block or the frame.
Then go for a drive see if that is the issue if not then go a get a multi-meter from a hardware store somewhere, digital are best. then check the voltage being put out by the alternator. If it's below 13v at idle go and get the alternator tested. most places wil do it for free.
If you still have not found a porblem then get a wiring diagram for the car either from the internet or a good parts store. and see what else is in teh system like a volatage regulator. you nca't always test these but if you think tha tis what it is repalce it. they are cheap.
hope this helps.

Posted on Jun 27, 2009

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Yes, Have your alternater tested. An alternater charges fro start to stop, unlike a generator that takes speed to work. Failing altternater.

Posted on Jun 27, 2009

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