Question about 1997 Jeep Grand Cherokee

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1998 Grand Cherokee blower not working

The heating and cooling are fine but no blower. I also have intermittent problems with dash lights, gauges and when headlights are on auto they flash on and off upon startup.

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  • Kate
    Kate Jan 15, 2009

    Fuses are ok. Had a guy here at work that was checking the electrical wiring but says it would be helpful to have a wiring diagram. He says the blower itself is ok.

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  • Jeep Master
  • 6,982 Answers

Check blower fuse, relay and power at blower motor harness terminal. Check for proper grounding at dashboard and body as well. Yo
good lucku can run a hot wire to the blower motor and touch it to the connector spade to check if blower itself is OK. There are other components in the system, but this is a good start! Don't forget...fuses blow because there is a problem elsewhere. If you replace one and it blows again, there is something else wrong!

Posted on Jan 15, 2009

  • Richard Scordino Jan 15, 2009

    OK, check relay for power in and out, and make sure grounds are good. (grounding may also play a part in your other problem. Not just main engine block ground, but body and dash grounding as well!!!
    PS just read my last post...don't know how it got scrambled like that, I hope it was understandable!!! Also possible but unlikely are resistor block for blower & switch itself. Likely not a wiring problem, so finish testing components first.
    Good luck!


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