Question about 2001 Chevrolet Monte Carlo

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2001 monte Carlo, Ihave 12 volts coming into the little module about 8" below the terminals that connects to the rear defroster. Its behind the panel by rear window. Also connected to this black box is the anntenna. the wire going into this box has 12 volts and Ithink theres a reostat the cuts the voltage down to 5 volts I think. But in this case, I have nothing coming out. This component is maybe 4x6" or so and was wondering if this component burns out often or am I diagnosing this wrong??

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  • Chevrolet Master
  • 12,152 Answers

The componet is Radio Antenna Module . There is B+ voltage going in on the drak green wire . One of the wire's connect's to the rear window defogger grid , this should have B+ voltage . One of the other wires is the Ant. in the window glass . The last one goes to the radio . Look's like inside the module is a resistor , not a rheostat ! Can't think why there would drop the voltage from 12 to 5 going to the defroster heater grid . What are you trying to diagnose ? Window defroster not working good ?

Posted on May 22, 2017

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Posted on Jan 02, 2017

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SOURCE: 1997 Monte Carlo ABS system

It would take a scanner to talk to the ABS computer to see if it is in fact the problem. I've had to replace the pump assy. on those before.

Posted on Jun 14, 2008

  • 422 Answers

SOURCE: 02 monte carlo- EVAP code.

hi there, you see todays cars are so emmision friendly that not even the vapors from your tank can be released into the atmosphere so what they have done is all your vapors are put into a charcoal canister to absorb the vapors and the next time you start the car it has a purge solenoid open and burn the vapors off. if you look around the intake youll see a hose with a green cap follow it back to the charcoal canister and while your doing that just check the hoses and the hoses around the canister to make sure there is no holes or cracks in them and then follow the hose from the canister to the gas tank. if every thing looks good then i would replace the purge solenoid.

Posted on Aug 28, 2008

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SOURCE: '96 Chevy Monte Carlo- codes P0441 and P1655

it will be the evap solenoid that will be the problem,not sure where it is in that car, sorry

Posted on May 18, 2009

  • 4088 Answers

SOURCE: 2002 monte carlo will not charge has a new battery

When the engine is running fast idle, the battery voltage should read 13.5 to 14.5 volts if the alternator is delivering charge to the battery. If the old alternator had a shorted diode, the very high current from the battery back through that diode will burn out what is known as a fuse link which is located within the wiring harness and it will effectively disconnect the alternator output from the battery. The battery end is connected at the starter terminal where the positive battery cable also connects.

Posted on Aug 18, 2009

  • 2 Answers

SOURCE: 01 monte carlo securty & battey light problm

I had the same problem. Also, "service traction system" warning light, "service engine soon", and "trac off" warnings. Audio system locks every time the voltmeter goes flat. I expected an expensive repair bill. On a hunch, I pulled both battery terminals, scrubbed all points of contact vigorously with a wire "toothbrush" and baking soda paste. (They didn't look like they needed it at all) Reconnected, tightened securely, started engine , and everything is back to normal. Zero cost, 10 minutes of your time.

Posted on Nov 02, 2009

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2 Answers

Location of signal flasher module in 2001 chevrolet monte carlo


It's behind the hazard button on the instrument panel. You have to take out the instrument panel bezel to get to it. It controls both turn signals and emergency flashers.

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I have a 1986 Chevy monte carlo ss i have headlights but nothing else when i turn the key nothing happens i have no door locks power windows turn signals or anything but head lights i keep getting told it...


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How do i go about putting a 12 volt toggle switch (kill switch) in my 2003 monte carlo


2003 Monte Carlo comes equipped from the factory with an ignition switch and an antitheft system. Why do you want to install a "Kill Switch"?

Jan 23, 2011 | 2003 Chevrolet Monte Carlo

1 Answer

WERE IS THE FUSE FOR MY REAR DEFROST FOR MY 03 MONTE CARLO


there's a 60 amp fuse in the lower fuse box under the hood, there's also a relay in the passenger side fuse panel behind the door and a breaker but the breaker is difficult to open up. check your plugs in your rear defrost screen first, the top is for the antenna but the other two are for the defrost make sure they're not rusty.

Feb 07, 2010 | 2003 Chevrolet Monte Carlo

1 Answer

Have 03 Monte Carlo. The rear window grid was not defrosting so put in a new one and there was little or no change! It just defrosts around the wire grid not the whole window. Can you advise.


Seems like you are not getting enough current to make it work properly. Check for bad connection, burnt connection, corroded connection etc. Maybe the contact to the relay is worn as well.

Nov 25, 2009 | 2003 Chevrolet Monte Carlo

1 Answer

01 monte carlo securty & battey light problm


I had the same problem. Also, "service traction system" warning light, "service engine soon", and "trac off" warnings. Audio system locks every time the voltmeter goes flat. I expected an expensive repair bill. On a hunch, I pulled both battery terminals, scrubbed all points of contact vigorously with a wire "toothbrush" and baking soda paste. (They didn't look like they needed it at all) Reconnected, tightened securely, started engine , and everything is back to normal. Zero cost, 10 minutes of your time.

Aug 31, 2009 | 2001 Chevrolet Monte Carlo

1 Answer

I own a 2001 monte carlo that has started to intermittently lose a voltage signal to the voltage guage. This cuases the security system light to come on as well as lock up the radio features. I have...


Take apart the dash. Jiggle the connector while the car is running (be careful, only 12-14 DC volts, won't kill you but you'll get a shock) and see if it goes in and out.

Mar 04, 2009 | 2001 Chevrolet Monte Carlo

2 Answers

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.

Jan 02, 2009 | 2003 Oldsmobile Alero

2 Answers

2001 monte carlo 3.4


Have you tried the heat also? If neither blow out, chances are it's the resistor on the blower motor. Mine went out in my 2001 Monte Carlo about two weeks ago and sure enough it was the resistor! The part runs around $35. Installation will vary depending on where you take it to.

Hope this helps!

Aug 04, 2008 | 2001 Chevrolet Monte Carlo

3 Answers

Car Radio Problem


It is your amplifier.You can buy a $12.00 ,Amp Bypass Turobowire Harness.{12 VOLT-TRAVEL,

Jun 10, 2008 | 2001 Chevrolet Monte Carlo

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