Help... Blower motor or switch?

[Scootinz]

Hey guys yesterday morning I got in my 99 Tahoe and I've got no blower motor. Checked all the fuses and relays and everything looks to be fine. My fan switch has been acting funny and had to screw with it to get it to go to high once in awhile and although it's clicking into all four positions I don't know if it's actually working anymore. Any easy way to test that switch and or the blower motor before I pull the dash apart and start buying parts?

Thanks!

 

[RicanGM]

you can run power direct from the battery to the blower motor to rule out the motor, and check for continuity at the plug end to see if the switch is working.

 

[Scootinz]

you can run power direct from the battery to the blower motor to rule out the motor, and check for continuity at the plug end to see if the switch is working.

LOL...Ironic...It's the sister to yours!

 

[RicanGM]

Wow, nice clean truck!

 

[jerryjoe28]

doesn't power up on any speeds? If fuses are good I would guess the motor is the problem as well. like @RicanGM said try to run a constant lead to it to test her out

 

[jerryjoe28]

@mtl111 looks like these guys have the same paint scheme as u

 

[mtl111]

Does the blower motor work on high speed only and none of the lower settings? If so, its the blower motor resistor. Check the motor out like everyone has said and go from there.
Yeah our Hoe's are all kinda close !

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[RicanGM]

mtl111, what size tires are those?

oh, never mind, I read you signature..............

 

[mtl111]

285/70 R18

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[RicanGM]

mtl111, did it come with the Z71 decals on the back?

mine just got a Z71 emblem above the Tahoe/Chevrolet emblem.