May need blower motor not sure - JeepForum.com

 
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post #1 of 7 Old 08-15-2013, 08:31 AM Thread Starter
SandoKJ
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May need blower motor not sure

Jeep wont blow. has been acting up for about two weeks where sometimes only fourth speed will work then all speeds then one and two but not three or four. Then for about five days only fourth speed worked so i thiught blower resistor. Yesterday i bought the resistor but before i put it in it would not blow qt any speed. put in new resistor and she still wont blow WTF

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post #2 of 7 Old 08-15-2013, 08:41 AM
allin44
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Quote:
Originally Posted by SandoKJ View Post
Jeep wont blow. has been acting up for about two weeks where sometimes only fourth speed will work then all speeds then one and two but not three or four. Then for about five days only fourth speed worked so i thiught blower resistor. Yesterday i bought the resistor but before i put it in it would not blow qt any speed. put in new resistor and she still wont blow WTF
Mine did the same thing. I went to the auto wrecker and bought a used blower motor for $20 and replaced it myself. Works fine now.
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post #3 of 7 Old 08-15-2013, 02:47 PM
scottcason
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Quote:
Originally Posted by SandoKJ View Post
Jeep wont blow. has been acting up for about two weeks where sometimes only fourth speed will work then all speeds then one and two but not three or four. Then for about five days only fourth speed worked so i thiught blower resistor. Yesterday i bought the resistor but before i put it in it would not blow qt any speed. put in new resistor and she still wont blow WTF
Sure it's not the switch?
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post #4 of 7 Old 08-15-2013, 09:52 PM Thread Starter
SandoKJ
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I am not sure what it is. I am electrically incapable... probably just bring to local shop
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post #5 of 7 Old 08-16-2013, 02:08 AM
Billwill
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Quote:
Originally Posted by SandoKJ View Post
I am not sure what it is. I am electrically incapable... probably just bring to local shop

Check the fuses, fuse 1 (40 Amp) in the Power Distribution Center under the hood. One side of the blower motor goes straight to ground...via the various resistors in series in the resistor block....Black/Tan wire. The other side from the fuse, Red/Light Blue carries the +12 volts.

If you have a meter check that this +12 volts is on the Red/Light Blue wire with respect to ground.


If you jumper pin 30 to pin 87 in the Blower Motor Relay socket the blower motor should run unless it is missing the ground or has burnt out. If this does work then there is something wrong in the relay area.

2002 2.5 Export CRD Manual 5 speed.
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post #6 of 7 Old 09-03-2013, 12:24 PM
kalexyck
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Blower motor

Change your blower motor resistor behind your glovebox. When you only get high or off, your resistor is no longer working as that is what allows different fan speeds. I changed mine and it solved the problem.
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post #7 of 7 Old 09-04-2013, 02:21 AM
Billwill
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Originally Posted by kalexyck View Post
Change your blower motor resistor behind your glovebox. When you only get high or off, your resistor is no longer working as that is what allows different fan speeds. I changed mine and it solved the problem.

This was the first thing that the OP changed


That said though....he may have had a new resistor block that was dead on arrival and another one could be tried. I prefer to use a multimeter on problems like this rather than throw money at simply replacing parts!

2002 2.5 Export CRD Manual 5 speed.
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