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1997 trooper charging problem


ERAlfaro
06-21-2006, 10:20 PM
Hello thank you in advace, my alternator went out on my 1997 trooper, when it quit charging the Batt light, Brake light and 4wheel drive came on.
After I replaced alternator voltage is now 13.4 to 14.6 but A/C and other lights still on I have ck all fuses and relays inside vehicle and outside any help on what could have happen.

Thank you

Ramblin Fever
06-22-2006, 10:53 PM
Hate to say this, but sounds like your new alternator is not up to the "Isuzu" spec - these engines are VERY volt happy, and they will eat most aftermarket alternator's for breakfast the next morning.

Not sure what kind you put in there, but I only recommend an OEM or Bosch alternator, don't waste your time and frustration on others. They may show good voltage, but in reality it may not be good enough under a load.

Oh, and don't be surprised if your battery doesn't soon follow the same fate - they often go together, specially if the battery is over 3-4yrs old.

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