Question about Chevrolet Silverado 1500HD
THE A/C BLOWER MOTOR ONLY RUNS ON HIGH SPEED, THE OTHER SETTINGS DO NOT WORK, THE COMPRESSOR IS WORKING, JUST NO INSIDE FAN , This is a 2003 Chev. 1500HD 4wd.
Could be one of two problems either the switch for the fan motor or the motor itself u would need a 12volt test light to check ground one side light and touch the switch connector wires one by one until light comes on this is the main line then turn switch to the 1st speed u should get a light on another wire if switch is working repete for all speed selection if it works then the motor is bad
Posted on Jul 27, 2009
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Posted on Jan 02, 2017
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