Questions and Answers
Sentra Blower Motor
Q. I have a problem with my heater/AC fan. The fan switch has 4 setting, from low to high. However, the fan (blower) only operates on 4, the highest. Thinking it was a faulty fan switch, I replaced it with a new OEM fan switch. This didn't fix the problem because again, the blower only works on the highest setting.
Am I missing a resistor/relay somewhere?
- 1996, Nissan Sentra XE Sedan
- L4-1.6L 1597cc
- Manual transmission
- 135,000
- Fuel Injection
- No ABS brakes
- P/S, A/C
- Rack and pinion steering
I haven't looked at the blower yet, but I suspect it may be something there. Any help would be greatly appreciated.
All the best!
JoeA. You hit the nail on the head with the resistor. There is a blower motor resistor and when it goes bad, the blower will only work on high speed. High speed bupasses the resistor and that's why it will work at that speed.
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