1999 Oldsmobile Alero Logo

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Ken Bowersox Jr. Posted on Dec 25, 2017

I have a 1999 Olds Alero. when I bought the car, the rear window defroster didn't work, I know it also doubles as the radio antenna, which brings me to my question. After getting it fixed, unles I turn it on, the AM radio stations are filled with static, FM is fine. What can I ceck for to fix this problem?

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Lorressa Padilla

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  • Contributor 22 Answers
  • Posted on Mar 08, 2019
Lorressa Padilla
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Joined: Aug 28, 2014
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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

5 Related Answers

Anonymous

  • 71 Answers
  • Posted on Nov 28, 2008

SOURCE: Window Problems 1999 Olds Alero

You can't buy the parts separate, You can however purchase aftermarket regulators that are relatively inexpensive

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mkosu04

  • 4 Answers
  • Posted on Jan 19, 2009

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.

Monster80

Joe Lamb

  • 463 Answers
  • Posted on Apr 01, 2009

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..

Iā€™m happy to assist further over the phone at https://www.6ya.com/expert/joe_a3369546f8067589

emissionwiz

Marvin

  • 85242 Answers
  • Posted on May 20, 2009

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.

Jonah Oneal

  • 14092 Answers
  • Posted on Jun 27, 2009

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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Related Questions:

1helpful
1answer

Rear defroster lights up, but does not defrost, also very weak car radio reception.

Between the rear passenger window and the back window is a junction where rear defrost wiring and radio antenna connect. Rear defrost wiring becomes loose and burns this unit out. when looking for replacement at salvage yard everyone of them I found had burned up. Lots of La Sabres w/o working rear defrost. I made solid connections for defroster, and added an antennae, not much point in repeating a system that will fail again.
0helpful
1answer

I need the wiring diagram for the radio for a 1999 Olds Alero

YOU CAN GO TO AUTO ZONE OR ADVANCE AUTO PARTS BUY A HAYNES REPAIR.IT HAS THE 1999 TO 2003 OLDS ALERO REPAIR MANUAL. IT HAS A RADIO DIAGRAM IN THE BACK OF MANUAL.
2helpful
1answer

I have a 2002 alero. Need to know where to plug in the radio antenna.

THE OLDSMOBILE ALERO DONT HAVE A EXTERNAL ANTENNA MAST. THE OLDS ALERO HAVE WIRE GRID ANTENNA INCORPORATED INTO THE DEFOGGER GRID IN THE REAR WINDOW.THE GRID ANTENNA HAVE A REAR WINDOW ANTENNA MODULE MOUNTED BEHIND TOP OF THE REAR SEAT BACK. THE RADIO ANTENNA CABLE GOES TO ANTENNA MODULE LOCATED TOP OF THE REAR SEAT BACK.
0helpful
1answer

There are a couple of little things not working.The radio works but i can't tune in any channels and the rear defrost doesn't work.is it a fuse?

check that the antenna cable is still plugged into the back of the radio and plugged into the bottom of the antenna at the finder to check radio end insert 4 large paper clips into the square holes in the front corners of the stereo this disengages the lock mechanisms slide the radio out and check the connections if electrical antenna check the fuse on the back of the radio that it isn't blown if so replace. loosen the inner fender panel and see if cable still connected to antenna #2 check the fuse for the rear defroster its probably blown if so replace and check for any grounded out hot wires also check the connections at each end of the rear window sometimes they become corroded or unglued from the window, if any of the fine lines that cross the window have been scratched or removed partially this will also render the defroster inoperable
0helpful
2answers

When I turn on the rear defrost of a 1999 Olds Alero, the light comes on but the rear window does not defrost. What can/is causing this?

You should take a test light & check for continuity between the feel & ground at the window. If there is no power check the switch as it is probibably burnt out.
0helpful
1answer

What is the cost to replace the plug and box for the rear window defroster for a 1999 alero

you need to be more specific.what plug and box.you need to give me more detail.cant help if you dont tell me.i dont know what i am working with.
4helpful
1answer

Rear defrost on olds alero

Remove the interior panel next to the rear window on the passenger side. There should be a small black box (3"x3") bolted there. This box sends power to the rear defogger and carries the signals from teh integrated FM antenna. Often, the end of the plug fries and stops the defoggers from working while the radio has no problems.

The plug into the box is usually melted. It may look like it can be soldered and hardwired to work again, but more often than not the box is fried too. You can get them on the cheap from a JY or get them through GM.
1helpful
1answer

REAR DEFOGGER NOT WORKING 2000 OLS ALERO

There's a junction box behind passenger rear door that has 2 wires that are joined from the front and control the rear defroster and radio antenna.
1helpful
1answer

Window Problems 1999 Olds Alero

You can't buy the parts separate, You can however purchase aftermarket regulators that are relatively inexpensive
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