How to replace blower motor resistor on a Nissan Sentra?

'02 Nissan Sentra Heat & A/C only blow on 4 NOT BLOWER MOTOR RESISTOR?

So this problem has been going on for a while now and I just got around to picking up a resistor because that's what everyone says it should be. When I snapped the wiring into the new resistor and tested it, I still get the same problem; the A/C and heat only blow at full power. Any ideas?
Answer:

Check the resistance at the blower motor when you change the speed on the knob. If you get infinite resistance at 1 2 and 3 replace your AC head unit.

David at Yahoo! Answers Visit the source

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Other answers

your old resistor would of had a burned spot on it if it was bad.

John G

replace the blower control circuit board {located at leftside of the blower box}thats usually the problem on nissan cars

monarch

Jessica is correct but always test all the fuses before removing the a/c controls.

John Paul

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