1999 grand cherokee overheating

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08-26-2015, 08:01 PM

rlemward

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Model: Cherokee

1999 grand cherokee overheating

I just got a 99 gc, overheating. new water pump new therm, fan not coming on . Jumped it to battery fan good, checked other side getting 12 volts . thought it might be the plug nope i bypassed it still no go. maybe not enough amps to run fan?

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08-27-2015, 06:11 AM

dave1123

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Location: Manlius, east of Syracuse, NY

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Year: 2000 XJ Sport & WJ Laredo

Model: Grand Cherokee (WJ)

Engine: 4.0L

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Try replacing the fan relay. It's under the right headlight beneath the plastic panel. Like this:

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