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Blower is 100%. AFTER A NEW RESISTOR

4051 Views 19 Replies 7 Participants Last post by  Yah Reigns
2009 Frontier Pro-4X CC SB.

- Fans started blowing full after 45 minutes of driving (This sucks)
- Disconnected the Resistor and the fans stopped
- Ordered a 4-fin replacement (Part here: More Information for BECK/ARNLEY 2040097)
- After received, tested it hanging in the passenger foot well, and the dash controller worked like a charm again
- Bolted it into place, retested, and it's all good
- The next morning, I drove the car for 2 minutes, turned on the blower, and it went full blast again, and had to disconnect the new unit.
- Got another resistor from a junk yard, and it immediately put the fans to 100% as well.

I feel like something upstream of the resistor is out of wack.

Any advice on this annoying issue would be greatly appreciated!
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Replaced the VBC, problem solved for a few days then it blew again.
So after it blows, the fan motor only runs at full speed all the time?

If so, you should still be able to measure how much current the fan motor is drawing (while it's running at full speed). If it's more than 10 amps (with the engine running), you know that it's excessive.
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