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Originally Posted by willstro
I have a 99 grand cherokee with an intermittent HVAC blower motor. It cuts out for a few minutes and then comes back on by itself. It has only happened on hot days with the AC running. Does the blower motor have a built-in thermal relay that could be causing this? Is the blower motor difficult to replace? Does anyone have any other suggestions on what the problem might be?
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see my recent reply to similar thread...i believe it is probably your blower motor resistor. had one heck of a time trying to identify this piece, but also know of at least 1 other jeep that it was fried on. i don't know if it is the resistors fault or something else.