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Discussion Starter · #1 ·
I need some input, please. My 1983 C10 has cold air, but doesn't blow very much. I've replaced the switch, but even on Max cool it doesn't seem to be blowing much.

Thoughts? Thanks

John
 

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I need some input, please. My 1983 C10 has cold air, but doesn't blow very much. I've replaced the switch, but even on Max cool it doesn't seem to be blowing much.

Thoughts? Thanks

John
John its probably the resistor that is in the heater box under the dash, it will have the harness from your switch go to it, two screws to remove it.
 

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Discussion Starter · #3 ·
Thanks. I'll look in to that. I'm also going to dig into the blend door to see if it is functioning as it should.

John
 

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Discussion Starter · #4 ·
gm connector 3018715

Does anyone know of how I can get gm connector part 3018715? It's the piece of plastic on the blend door actuator
 
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