Chopper-boyz

I have a '03 1500HD and the blower motor for the heat/AC does not spin on the number 1 & 2 speed setting, it works fine on setting 3 and above.

Any clues would be appreciated.

Thanks
Royce in NH

drumminjer

i believe that you need a new blower motor resistor. they are fairly cheap. probably under 15 bucks

Ape0r

It needs a blower motor resistor, part number 15305077.

Couldn't find it at GMPartsDirect, PaceParts has it for $15.58.

Blower motor resistor

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'04 Silverado 1500 4x4 5.3L 3.73 G80