Crossed wires where the conection to the heater for the window is sounds like he conected the wires wrong undo them and switch them around or follow the wires to see witch wire comes from the radio to the control panel where the buttons to tur the radio and set the defrost is ad see if the wires are crossed or in the wrong places if that dont work then it might need grounded hope that works for you
SOURCE: Window Problems 1999 Olds Alero
You can't buy the parts separate, You can however purchase aftermarket regulators that are relatively inexpensive
SOURCE: rear defroster on 2002 alero does not work
I found this on another site... it seems like a credible post so I thought I'd share... I'm going to check it out next weekend.
"Just an FYI. The rear
defroster issue is due to a bad Antenna Buffer Module / Antenna Module.
The power to the rear defogger goes through a module that separates the
antenna amplifier signal from the 12 volt power to the defogger. The
defogger elements also act as the antenna.
The module is behind
the rear pillar right behind the rear passenger door. The inside
plastic has to be gently pulled off, the seat needs to be folded down
to get the lower part of the trim off. One screw at the bottom, unplug
the wires... (two connect to the window grid, mark which one is
which)... and the module is free.
The module may require
re-soldering of the pins joining the main power connectors to the
internal circuit board. If you feel you can do this (or have a friend
do it for you), go for it... else get another module from the dealer to
replace it."
This is the most credible of the several posts that I've seen talking about this module. I know its there... I saw it yesterday when I was working on the car.
SOURCE: 2001 olds alero cange oil light and ceck engine light
Look at the bottom of the oil pan and see if a electrical plug came unplugged.Or under neath the hood some where on the motor a plug came undone..
Iām happy to assist further over the phone at https://www.6ya.com/expert/joe_a3369546f8067589
SOURCE: 2001 Mercury Sable - Radio Issue
this is not strange at all, the problem is the symptom of a defective antenna or the antenna ground to the chassis sheet metal of the car, also the coax to the radio can be defective.
SOURCE: 1999 olds alero timing belt
2.4L engine dont have timing belt.it has a timing chain.fixing timing chain dont cost much.but the damage that occur when it broke.you probably got bent valves.damage piston heads.you can buy car if they dont charge arm and leg.you can repair timing chain your self for at least .$300.00.you have to buy timing chain.it come in a set.you get timing gears and tensioners.about.$190.00 and .$40.00 for timing cover gasket and seal.dealership going to charge you at least.$600.00 including labor.
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