Question about Cars & Trucks
Checked motor,fuses,relays,resistor, all check good
To check the Ground with a test light, attach the Ground clamp to 12 volts + and touch the tip to ANY Ground and the light will light-up. With a Voltmeter, touch one end to a known positive + (your fuse box is closest), and touch the Body of the blower motor and you should read 12 Volts either + or - , but if it has 12 Volts, then the body or ground of the blower motor is good. Could be the body ground to the body connection under the hood.
Posted on Nov 09, 2012
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Posted on Jan 02, 2017
SOURCE: blower motor does not work
I had the same problem, replace, replace, replace. Check, check and recheck. What I found was the blower motor resistor, located in the blower squirrel cage area, two prongs and a curly wire, was bad. Took the new one back, (it ohmed out okay, continuity ok, all ok!) replaced it with another, and Bingo, problem solved. Frustrating to say the least. After two relays and a blower switch, and test, test and retest. It was a faulty resistor. Made in Mexico. And no guarentee, even though new, it works. Trial and error. Even the dealer parts are Honcho en Mexico. Thanks NAFTA. You gonna make us all welfare babies.
Posted on Sep 28, 2009
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