Question about 1997 Jeep Grand Cherokee

1 Answer

Heater and overdrive button as well as heated seats quit working

They quit working at same time .checked fuses and relays they were ok pulled out control head looks fine pluged in please help soon its getting cold here my wife and daughterdrive it daily

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  • mcbrownsugar Nov 22, 2008

    I am freezing my chestnuts off. How do I fix this problem as it might be the relay?

  • linda_theria Nov 23, 2008

    i did find a fuse after all so heater is working but now my power seats have stopped working fuse was so hot i could not touch it .i pulled the fuse and have left it out so cant move seats is there a connection between this and my heater problem. there is a small black electrical box that goes into the cold air part of the heater that was hanging down one black and one red wire going in and one red one black and one grey coming out it looks like some one had it out no bolts were put back in.could this be a part of the problem

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Your heater problem could be a blower motor resistor if the motor does not work at all. If the blower does work then the problem could be a bad heater valve. I assume that the 30 amp blower fuse is good. The seats and overdrive light have no connection with the blower. Does the heated seat light come on? Do you have automatic temp control.

Posted on Nov 22, 2008

  • Michael Zangari
    Michael Zangari Nov 24, 2008

    That black box is the blower motor resistor. It needs to be screwed back in because it gets cooled off by the blower.

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