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2001 Dakota heater blower/resistor problem

2567 Views 16 Replies 9 Participants Last post by  jpbarton
I don't know how many people on here still own older Dakotas, but if you do, you're probably well aware of the problem with burned up blower resistors. I've put 3 resistors, 2 pigtails and 2 blower motors in my truck and as of last week, my blower completely stopped working. I read a lot about this, and I've found 3 possible causes: bad ground straps, bad ignition switch, and poor quality replacement blowers. I'm also wondering if a small heater core leak can cause it? My last resistor lasted about 6 months, and I only used it on high for short periods and never used the AC. The consensus is it's caused by high amp draw by the blower. Does anyone have a diagnosis/repair pathway to help me get to the bottom of this problem? It would be great to have a comprehensive answer that covers all 4 possible causes.
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I used to have that problem on my Dakota. I was told that the connector pins from the harness to the resistor are junk and loose causing the problem. I hard aired the connector and had no more problems. (at least until I retired the truck - don't know if eventually the problem would have come back).
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