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Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Car
Satisfied Customers: 1044
Experience:  16 years of experience
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ISUZU NPR 300 My Isuzu NPR 300 keeps blowing the airconditioning

Customer Question

My Isuzu NPR 300 keeps blowing the airconditioning heater fuse.
This occures as soon as the engine starts with all switches in the off position.
I have also disconnected all connections to the aircon compressor and fan control switches and aicon unit.
Please where can the fault be?.
Submitted: 5 years ago.
Category: Car
Expert:  Tom replied 5 years ago.
Most common is a shorted blower motor . Does the fuse blow with the blower motor disconnected ?
Customer: replied 5 years ago.
I did mention I had disconnected the fan or blower switch and it still blew the fuse upon starting the engine.
I replaced the relay and all is now good.
Thank you.

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