Question about 2004 Jeep Wrangler
My fan blower acted like it had a short in it...I removed the A/C control panel to look for problems and decide to replace the blower switch, removed the fuse during this time. Everything was fine until one drive my blinkers/break lights stopped working, and I discovered I blown a fuse for the break lights. Replaced the fuse and now it will not start, it cranks over but that is all.....thanks for any help... I've checked all the other fuses and tried to jump it....
PLEASE TAKE YOUR VEHICLE TO THE DEALER WE HAVE FOUND THAT THERE IS A PROBLEM IN THE HARNES ON THIS MODEL WHICH IN SOUTH AFRICA THE VEHICLE BURNT OUT
Posted on Jul 21, 2009
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Posted on Jan 02, 2017
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Fig. Typical HVAC operation schematic
An inoperative blower motor could be caused by the following:
* Blown fuse(s). The fuse should be replaced. There may be both a LOW BLOWER and HIGH BLOWER fuse. Some models may also call it the HVAC fuse. Even the RADIO fuse is used in some applications. Check them all. If a fuse is blown there may be a short to ground in one of the power supply circuits.
* Open Circuit. Check the circuit between the ignition switch and the blower motor, and the blower motor ground circuit. Repair as necessary. * Faulty blower switch. A faulty blower switch should be replaced. * Most heater blower circuits also include a blower motor relay (look in the underdash convenience center), as well as a blow motor resistor. These items should be checked especially if the blower runs in one or two speeds, but not all speeds selected.
REMOVAL & INSTALLATION
Fig. Blower motor and fan assembly removal
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