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Comments
Also, my gas gauge doesn't work anymore. It just fluctuates up and down.
Any help would be appreciated. I need to do this as cheap as possible
I am an engineer coming from the compressor / blower industry. If the inlet air pressure is to low it creates a higher pressure differential and power requirement. Because the blower works off the resistor and at lower speeds and lower inlet pressures the resistor won't activate the blower. Eventually it won't work all together. The only thing that could create lower inlet pressures in a clogged filter. There is a cabin filter at the inlet to the blower. It is located below the windshields passenger side wiper. Raise the hood. There is a piece of plastic held on by two push pin holders. Lift the center portion of those holddowns up and it will allow the pin to be removed. Slide the plastic cover back to expose the filter. Mine was changed about 8-9 years ago. Something you just don't think about... It was clogged with dirt, sand, dust, and small leaves. I cleaned it by tapping it flat on a hard surface, then vacuumed it out. Looked ok, so I didn't get a new one. Replaced the old filter and my blower is working fine. This may work for you, before you spend the time and money.
You might try tapping the relay when you turn the ignition key off. The contacts can burn and stick which could explain your problem. I do not believe there's another relay you can switch with that one to test by replacement. Most of the other relays are single pole single throw: on, off. That one switches two different power lines.
I'll post a circuit diagram when I can finagle one.
This should be close enough to help. It's a 2005 Grand Prix with manual blower controls.
Removing fuse #53 will eliminate power to the 30 amp line. If you can move the selector in the dash to the high speed and then have it drop back to the lower speeds, you can drive it that way until you further troubleshoot the relay #13.
Note the relay has to be in place for the power to go through it from the dark blue wire from the blower resistor pack to the purple wire that feeds the blower motor its power.
2014 Malibu 2LT, 2015 Cruze 2LT,
2014 Malibu 2LT, 2015 Cruze 2LT,
I saw a 5 connection relay on rockauto which is likely the replacement for your part. But it is
not labelled as such. You'd have to compare the positions of the 5 wires to be sure it was a replacement.
I suspect a junkyard pull is the easiest and cheapest replacement. since many similar GPs with manual controls would share the same relay.
If worse came to worse, you could put a short wire stub with blade ends pressed on into the two contacts for the relay in normal mode to pass power from the speed resistors to the blower motor.
2014 Malibu 2LT, 2015 Cruze 2LT,