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87 heater issue, plastic burning smell??

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Old Dec 7, 2010 | 06:05 PM
  #1  
hennigm4's Avatar
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From: leesburg
Year: 1987
Model: Cherokee
Engine: 4.0
Default 87 heater issue, plastic burning smell??

When I put my blower switch on medium or high, i smell electrical burning smell, reminds me of the smell when my ignition switch melted.

Question is: could it be the ignition switch related to the blower motor?

When I put the blower back on low or off the smell goes away.

Any suggestions? My biggest concern is the ignition switch, since I lost my lights last time it melted. If its just the motor, ill replace it.

Thanks,

Mike
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Old Dec 7, 2010 | 06:14 PM
  #2  
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From: In the middle of Minnesota!
Year: 1999
Model: Cherokee
Engine: 4.0
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Could be the blower motor switch OR the blower motor stepdown resistor block, located in the kick panel on the passenger side if I remember right.
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Old Dec 7, 2010 | 06:16 PM
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hennigm4's Avatar
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From: leesburg
Year: 1987
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Engine: 4.0
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ok, ill try to find the resistor block.

Thanks,

Mike
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