Question about 2004 Saturn ION
My fan/blower stopped working recently. I checked/replaced the 7.5a HVAC fuse on the inside fuse box and also replaced the RUN relay but neither solved the problem. Are there other fuses/relays that I need to consider?
The fuse you replaced powers the hvac control. The run relay is powered by a 30amp fuse in the fuse box near the battery.
Is the relay getting power from that 30amp fuse ?
Posted on Jul 10, 2013
Testimonial: "Thanks Stephen - I did end up replacing that 30a fuse before reading this and it didn't appear to be the solution. But then I disconnected the wire to the blower unit under the dash to check it with a multimeter. When I reconnected the harness the blower worked. I'm not sure what happened (the harness wasn't loose), but with all of the suspect fuses/relays replaced it is now working."
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Posted on Jan 02, 2017
SOURCE: Blower motor not working at all.
It could be the control head in the dash, or a bad wire. If you can pull the control head out of the dash and check the connection for the wiring harness, otherwise start under the hood and start checking the wiring for corrosion or broken wires.
Posted on Jun 09, 2009
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Usually the first thing to inspect when the blower fan stops working is the fuses to see if any are blown. Locate the 10A cluster fuse or the 25A HVAC fuse in your car manual, and examine them to determine if they need replacing. The car owner's manual will tell you where to find the fuses that are connected to the heat and/or air conditioning. On the interior fuse panel of the car, a 30 amp fuse is labeled "Heater" or "HVAC."
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