Question about 2005 Chevrolet Cobalt
Similar to other forums I've seen - when I press the defrost button the green light comes on, but no defrosting actually occurs. Doesn't seem to the be fuze or the light wouldn't turn on, right?
Check for relay malfunction or defective. also check to see if wire on each side of window is connected to grid on glass
Posted on Nov 10, 2013
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Posted on Jan 02, 2017
SOURCE: rear defrost does not work
one little wire on each side of window sometimes they are loose or get unplugged check there and if not fuses if not relay in fuse box lid of that shows with and where it and they are good luck
Posted on Dec 23, 2008
The top part is the antenna. If the whole thing doesn't work ck this out.
My defroster quit too. I found a wire burned in the connector that is found under the fuse box that is located inside the car on the passenger side kick panel.
You have to remove the entire kick panel to access the large white connector not just the fuse door. The panel just unsnaps as you lift up and out. Start from the panel seam beside the passenger seat and lift up and back. You'll also have to unsnap the carpet there too.
You'll see the white connector that has a lot of wires on it. If you'll unsnap the connector you'll see the burned wire. It will be thicker than the others and purple. Just cut the purple wire on both sides of the connector and splice them together with a piece of wire the same gauge and it will work fine.
Posted on Jan 21, 2009
the 30 amp breaker is behind the fuses ....u have to take the glovecompartment out and pull the whole fusebox out if ur hands r too big ....the power seat circuit breaker is there 2
Posted on Jan 07, 2010
The Cavalier suffers from the infamous Purple wire problem. when you have this problem, the light comes on and timer works but there is no power at the rear elements. Cause is in the connector on driver's side, behind the carpet near hood release. Pull this carpet down and locate the Purple wire going into a green plug...press center of plug to open. Likely the contact is blackened inside, that is cause of the problem. You have two choices...clean the contacts and put plug together and defogger will work, for a while. I took the Purple wire out of the plug and soldered it to the black wire on the other side of the plug...make sure you get the right two wires. Look at the plug. The plug causes a high resistance contact and no voltage gets to rear. To prove it, disconnect one terminal at the window and measure 12Volts, connect the wire and the voltage disappears. Basic Ohm's Law. The plug contact is getting all the voltage. Don't let anyone tell you that you need a new switch, if the light/timer work. That won't fix it.
Posted on Mar 02, 2010
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