Question about 1987 Plymouth Horizon

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New gear. and no charge

I have a 1987 horizon that has been very reliable until now.I recently installed a new alternator and battery.and when im driving or idling it wont charge the battery,i checked the wiring it is correct it will start with a jump but not after im stumped and out of money could someone help a brother out with some advice?

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You've cleaned & checked & tightened all your battery connections good, and looked for thinning wires at battery terminal ends? Check all the grounds (-) at other end of battery terminals, and make sure they are clean & tight. What voltage do you read at battery when engine running, and not running? Next time you have to boost it to start, try just connecting the (-) negative & see if it starts, if it does you have a bad ground connection somewhere.

Posted on Nov 23, 2008

  • Mike Butler
    Mike Butler Nov 23, 2008

    Also, if your alternator wasn't charging your new battery, sooner or later the car would quit running due to lack of voltage, so something is charging that battery. Like I said earlier, double check all connections where ground cable attached to engine or frame or wherever, and check connection at starter also.

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