CHARGING SYSTEM NOT WORKING

1995 Jeep Grand Cherokee

Tiny

muldoon

March, 12, 2012 AT 12:05 PM

I have a 6 cyl 4 litre 1995 jeep grand cherokee laredo with 174k miles the car runs great but just dies when idyling with radio, A/C, lights, on at night, I put new fuel filter, IAC module, coil pack, new battery, any suggestions? Jeep dies when idlying when lights, radio, a/c on at night.

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Charging System

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Charging System

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1 Answer

Tiny

caradiodoc

March, 12, 2012 AT 1:43 PM

Start with a load test on the charging system. Sounds like you have one bad diode. "Ripple" will be very high and the most output you'll get with a bad diode is one third of its rated capacity. That means you'll only be able to get 25 - 30 amps from the common 90 amp alternator.

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