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post #1 of (permalink) Old 08-23-2004, 01:29 PM
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wrangler blower motor problem

I have a 2000 Jeep Wrangler 6 cyl. My blower motor only works on the highest setting. I have replaced the switch, and I still have the problem. I was told by a freind that there is a resistor that controls the speeds and that this may be burnt out. 1 problem...I cant find it. I have poked around under the dash and in the engine compartment and I cant find it. Can anyone offer any advice short of taking it to the dealer??? Thanks
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post #2 of (permalink) Old 08-23-2004, 01:38 PM
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Re: wrangler blower motor problem

They're customarily mounted inside the heater box. They generate a significant amount of heat, and being in the airflow keeps them from overheating. Look around for a three or four wire plug. On CJs it's forward of the bottom edge of the glove box.

They don't often burn out. It's probably a loose connection, or it could be that the plug is off completely, since the resistors aren't in the high-speed circuit.
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post #3 of (permalink) Old 08-23-2004, 02:02 PM
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Re: wrangler blower motor problem

I have the new part and you are correct it looks like a 3 or 4 wire plug. I have not looked in the heater box. I will take a look tonight.
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post #4 of (permalink) Old 08-25-2004, 07:33 PM
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Re: wrangler blower motor problem

Okay ...just looked at the FSM (99). It appears you need to remove the kick panel cover to the right of the AC/heater housing. 4 screws hold it in place (like 10, 2, 5, 7 o'clock if you can look at it that way)

There's a couple of slotted mounting tabs ..so, once you remove the screws ..you need to slide it down toward the floor. You will find the resistor pack behind it, secured by two screws.

Many multiple warnings about disconnecting the neg cable on the batt since you're messing with the dash. It repeatedly warns of accidental discharge of the air bag system.

I think this was discussed before.... Ah ..yes...it has...
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post #5 of (permalink) Old 08-26-2004, 03:59 PM
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Re: wrangler blower motor problem

Well GeeAea you were 100% correct in your instructions. I did some poking around 2 days ago and found it. Good thing the air bag didnt go off That would have made a good story. Thanks for the info. The resistor was rusted and filled with leaves??? I've got a leak somewhere and some leaves must have been sucked into the housing? Another fum mystery to solve. Anyway im golden now in all 4 fan speeds.

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