jeep grand cherr03 fan stays on until bat is drained
25

Asked by daveqtty Dec 25, 2007 at 04:13 PM about the 2003 Jeep Grand Cherokee

Question type: Maintenance & Repair

got a jump starts but when turned off the fan still runs how can i shut fan off

2 Answers

papa answered 17 years ago

you probley have a bad fan switch,you can unplug it at bottom of fan.

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BrotherDave answered 11 years ago

Electric cooling fan is controlled by by vehicle's computer based on input from coolant temprature sensor on water neck (or when A/C is switched on). To turn fan on, computer sends signal to a solid state relay-not a mechanical relay-located under right headlight. A bad temp sensor (located on water neck) is also a possibility, but fan relay is first thing to check as it handles a lot of current and prone to failure.

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