Checked all fuses. Blower motor doesn't even turn on only clicking noise coming from relay when I turn selector switch to high
Sounds like your blower motor may have either ceased, or gotten an obstruction. Sometimes an animal will crawl into your heating unit and make a nest or other things get in there and bind up the hamster wheel (fan). Start by checking for power at the fan using a test light with a wire probe end. If you have power at the fan with the switch on but it's not spinning, first check for an obstruction, if no obstruction, check to make sure the ground is good from the motor (make your own ground with the test light by probing the ground) if the motor spins up, fix the ground wire, if not, time for a new blower motor unfortunately.
When using my test light on the connector from the switch to the blower motor, only one side lit up? Is this normal?
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SOURCE: 2004 Chevrolet Silverado Heater/AC Blower on without Ignition ON
there is no relay for the heater fan it's a 15 amp fuse and is on the accessories circuit. the reostat is responsible for all 3 speeds .with the key off there should be no voltage to the blower motor whether the fans speed fan switch is on or off. the fuse will be located in the fuse paneleither on the drivers left side in the dash or underneath the dash in the fuse block. you have a short in the harness that is under the dash and most likely it's a bad plug on the harness. your going to have to do some searching but that's where the problem short is... please rate
SOURCE: ac blower motor
you need to replace the blower motor resistor assembly try this website www.autozone.com if they do you be able to checkout a price and get pictures and diagrams for the most part its on the passenager side behind the glove box i also would like to give you this information if you every have any hard to find GM-parts its Schram auto & truck parts 1-800-292-1032 and they website is www.schramauto.com and i hope i have been some help to you Michigan Man.
SOURCE: Blower motor on works on high speed
Also, I'm having the same problem, kinda. My blower doesn't work on any speed. It worked fine before, but now it doesn't.
However, it's not a hard fix. Here's a link to a site with a write-up on how to replace the resistor pack as well as the wiring harness: http://www.355nation.net/forum/how-tutorials-reviews-service-bulletins/6401-how-hvac-fan-motor-resistor-connector-replacement.html
SOURCE: My 2004 Chevy Impalas blower motor will not shut
Most likely there is a relay "stuck" have some one remove the battery cable and you get in the car... when they put the cable back on you should hear a click this will help you locate it if you can not get a manual to show you where the relay is... could be under the hood or dash.... good luck!
SOURCE: heater blower motor not working, fuses all good
replace blower motor resistor module.very common problem.I've replaced hundreds in my 25yrs working with G.M.
Testimonial: "thanks, where is the blower motor resistor module located?"
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