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Old 07-02-2020, 03:19 PM   #2
Richard
Senior Member
 
Join Date: Dec 1999
Location: Southern California
Posts: 2,701
Re: No power to blower motor.

Need to rule out the mechanical devices. Seeing as you have a multimeter I would disconnect wires from resistor and ohm it out. Apply 12v to the coil on the relay and ohm it out as well. If the switch is older may want to check that as well.
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Richard
1972 K10 Custom Deluxe SWB Fleetside
My build https://67-72chevytrucks.com/vboard/...d.php?t=800746
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