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Tonyd 8/23/2018

2014 Chevrolet Impala LT 6 Cyl 3.60L

Preventive Maintenance

How can I find the power source for the heater blower fan wiring harness?

There's no power coming from the wire harness connected to the heater blower fan and the resistor. The fuse for that isn't specified.

1 Answer

Teddy B

Teddy B 8/23/2018

Purchase a Factory Wiring Diagram !

You can not diagnose any vehicle problem,until
you learn about that system & it's components.

If you have never read a wiring diagram or do not
know OHM's Law & how to use a volt meter,
then your going to pay a shop for diagnostic
time to find issues,return to the shop to discuss
the findings & go from there.


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