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I have no power to the heater fan. We replaced the relay, but it doesn't work still. Can anyone tell me where the heater fan blower motor is located in this vehicle?? HELP!!!
changed the hvac blower relay, but don't see a heater fuse in the diagram in the manual. where is there a fuse located? Thank you SO much for your help... changed the hvac blower relay, but don't see a heater fuse in the diagram in the manual. where is there a fuse located? Thank you SO much for your help...
AnonymousMar 31, 2014
fan started only working on certain speeds now it doesnt work at allfan started only working on certain speeds now it doesnt work at all
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I suspect you also checked the fuses, some vehicles are double protected, especially since you usually have to remove the entire dash panel to get to the heater fan blower motor. It should be in the middle or under the glove box, should be located in a plastic box that has like a bell shape to where the motor is. check fuses then check wiring, and make absolutely certain the relay was the correct one that you changed, in a 3 year old vehicle the fan motor should not be bad yet.
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Question edited for clarity.
Question moved to model category
Well the first thing that leapt of the page was that you said you had two batteries and you undid the clamps to both, but then I realised to meant you undid both clamps to one battery. That is actually the worst thing to do because now you have to reset the security system and engine immobilizer.
Make sure your battery clamps and posts are cleaned with a wire brush, wipe with Vaseline or Dielectric Grease and then make sure the clamps are tight. Then put the battery on to charge. This says you have low voltage.
DTC P0480 registers when the PCM doesn't receive the proper amount of voltage from the cooling fan control circuit that should indicate that the fan works properly. This code can be caused by a faulty cooling fan relay, a bad cooling fan, damaged wiring, or a bad coolant temperature sensor. Jan 19, 2024
JustAnswerhttps://www.justanswer.com > Chevrolet Repair
May 6, 2010 - P0480 is for the low speed cooling fan relay control circuit. · A short to ground · DTC P0480 Cooling Fan Relay 1 Control Circuit · The ignition is ...
1 answer · Top answer: DTC P0480 or P0481 Circuit Description • P0480 is for the low speed cooling fan relay ...
JustAnswerhttps://www.justanswer.com > Chevrolet Repair
Dec 2, 2011 - 2006 chevy: v..it Everything is fine but check engine code p0480 comes... · FC relay connector is damaged (check pins for damage, and for moisture) ...
1 answer · Top answer: Here is a picture of relay you need to replace so start with that..If code comes back on ...
YourMechanichttps://www.yourmechanic.com > Articles
P0480 is a general OBD2 trouble code that refers to the a malfunction within the cooling fan control circuit. This code is similar to P0481 and P0482 codes.
There are three relays for the cooling fan's , two of them . And all three are located in the under fuse/relay box. Watch this training video on how they work an how to test them. Relay Driven Dual Cooling Fan Diagnostics
unlikely theres a control module that regulates the heat control i know had to replace mine look at that first let me know if thats not it will go from there
This may be the same problem already posted. If the fan doesn't work, a LIKELY problem is the thermal fuse on the fan speed resistor has opened. You can either replace the whole resistor which is in the air plenum to be cooled by airflow, or you can replace the thermal safety fuse on the resistor that is a two lead device suspended on two protrusions above the resistor. Search Gooogle for 2003 chevy avalance heater resistor for photos of the device.
Hello: You may have a cooling fan(s) problem. Start the truck, turn the a/c on max, both fan and a/c control. Open hood the cooling fan(s) should be running. If not then you will need hands on trouble shooting. It could be fan(s) motor(s), relays, relay control, ie PCM, wiring, fuse etc. Systematic hands 0n trouble shooting will be needed with a upscale scan tool.
There is a sensor that the fan is connected to that is plugged into the engine block that senses the temperature. Maybe the wire is broken. Trace all the wires from the fan to wherever they are connected and find the one that is not attached or cracked or shorting. That sensor may also be bad.
I have an 05 equinox had same problem with driver window,ended up finding broken wires in rubber boot between door and jamb,pieced out broken wires,problem solved....
most headlight switches are pop in style that u just pop out of the dash and gently undo the electrical connector and replace it in reverse order, however all GM cars have individual relays for the lights so You may want to try a new relay first.
changed the hvac blower relay, but don't see a heater fuse in the diagram in the manual. where is there a fuse located? Thank you SO much for your help...
fan started only working on certain speeds now it doesnt work at all
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