Question about 2003 Jeep Grand Cherokee

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Our UK 2003 G Cherokee 2.7CRD heater has failed and we are struggling to locate the problem - what are the possible culprits?

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First check the resistor if it is working, of course after all fuses, than see if you can get an electrician to check the motor. In UK same as Ireland most common fault is the resistor because people forget to change the pollen filter and it is humidity that kills the resistor most likely.

Posted on Dec 29, 2010

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Posted on Jan 02, 2017

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C1 & C2 in your panel are most likely one of the culprits, if no power at heater at seat. Sounds like testing for power at seat switch is easier to do than get at these circuit breakers in the panel. If you have power at switch at seat, then it's not the fuse/circuit breaker. Good reading at this link for you.


http://www.wjjeeps.com/seats/seats.htm#HEATED

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