Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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Have you tried replacing the blower motor resistor or looking at it for damaged pins. If the blower motor caused the fuse to blow due to debris stuck in the housing, it is very possible that it got the blower resistor connector hot and maybe damaged it a bit.
Let me look it up, I could be mistaken. I didn't know that this was an auto system (*I should have asked). Give me a moment and I'll get back to you
I am so sorry, you are absolutely correct. This model uses variable voltage from an a/c auto amp. I believe this is one of the parts you replaced...I am afraid I am also out of ideas on this one. If you have replaced nearly every component in the system and it still has intermittent operation...the only other idea I can think of is perhaps there is some kind of calibration or reset procedure for the blower after replacing the controller. I am afraid I don't have any useful tips to offer at this point and I will opt out to let another expert get a crack at it. Good luck!
Most likely, the wiring harness leading to the blower motor has been damaged from overheating the wiring and will. have to be replaced. The wiring can be tested for integrity using a Digital volt /ohm meter by a competent technician. Please accept my answer, if you have any further questions I will answer them until you are completely satisfied with my answers.
Please accept my answer, if you have any further questions I will answer them until you are completely satisfied with my answers.