heater blower frustrations (1 Viewer)

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Nov 5, 2006
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if replaced the heater blower motor, ive replaced the resister, ive checked that the grounds behind the kick panels are tight & clean, ive cleaned the buttons on the dash assembly with electrical cleaner & they all respond with crisp snaps when the buttons for different blower speeds are punched

when the blower is working, i get all speeds, so not the classic sign of a bad resistor, but replaced it anyway.

my problem is the blower works fine , any speed apprptiate for the needs…….. then it completely stops blowing at any speed. Then at a time and place of its choosing, starts working again as if nothing happened !

i tried the nuclear option, wire directly from the POS battery terminal to one lead, and another directly to tge negative terminal. jus pure, fused 12v

still no blower motor. what can i do to get defrosters !?!?!
 

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