2007 Chevrolet Colorado Q&A
2007 Chevrolet Colorado Question: blower motor only works on 4
repl blower motor resistor,when they go bad they default to high and thats what you have. they cost approx 15.00 at the dealer and are easy to repl. its located under the glove box area - globalhelper
Mine did the same. I replaced only the blower control & it worked for about 2 weeks then stopped working. Had to replace the blower control & the resistor. Been about a year & still working. - aguyfromPanamaCity
The heater - AC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block.
#3 setting was not working, so I replaced the resistor block. it stopped working again, so I left it that way. Then, #1 and 2 stopped, only # 4 would work, but the problem was intermittent. i end...
sometimes I can start out in the morning and my airconditioner will only work on 4 then later in the day it will also work on 1,2, and 3.Other times it will start out working on all the speeds and ...