1999 Jeep Grand Cherokee Laredo 4.0L Cooling Systems
How do you test for a bad cooling fan relay with out accessing it because its a pain . When I command cooling fan to turn on, PCM makes wining noise and fan dose not work . Pcm puts out pulse width modulated signal to coolant fan module then module knows what ...
FIX posted 5/25/2004
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Vehicle Data1999 Jeep Grand Cherokee Laredo
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Message Closed w/FIX
Vehicle Data
1999 Jeep Grand Cherokee Laredo
VIN | 1JEEPWITHP |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |