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How do you bypass the security system on a 1998 Monte Carlo?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: need to replace alternator on 1998 chevrolet monte carlo

Nope, it has two bolts one towards the front and one at the back underneath. Be careful of the one in the back as the nut is tricky to get on. You don't need to remove the bracket.

Posted on Feb 18, 2009

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  • 31 Answers

SOURCE: 97 Chevy Monte Carlo won't start, security light is on

disconnect battery for 24 hrs so the computer will reset and if that dont work take it to chevy dealer and have them reset it manually

Posted on Mar 27, 2009

mcgyver468
  • 710 Answers

SOURCE: security light on car want start

Car is in theft mode. Call dealer with vin number handy and the service dept. should tell you how to get it out of theft-mode.

Posted on Apr 22, 2009

SOURCE: 96 chevy monte carlo 3.1 wont start

check to see if the wire is broken for the passlock/passkey system in the ignition lock cylinder, its common for the copper wire to seperate inside the insulation, when you tilt the column it could have been pushing the wires together enough to touch inside the insulation

Posted on Jun 19, 2009

csmock132
  • 4669 Answers

SOURCE: 1998 monte carlo brake light problems

Turn signal switch. With you foot on the brake have someone stand behind the car. Wiggle the turn signal lever and see if the the brake lights flicker.

Posted on Jun 24, 2009

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1 Answer

Bypass 1995 Monte Carlo anti theft system to make car start


You will need to go to a dealer if you are having an issue with the security system. You cannot disable or bypass it yourself and if you could it would be pointless having it..

Mar 19, 2016 | Cars & Trucks

1 Answer

NEED SPARK PLUG WIRE DIAGRAM FOR 98 MONTE CARLO


Check this diagrams for each engine size...

1998 Chevrolet Monte Carlo 3.1 liter V-6 VIN "M"

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1998 Chevrolet Monte Carlo 3.8 liter V-6 VIN "K"

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Hope this helps, and remember ask for additional details.

Jul 28, 2011 | 1998 Chevrolet Monte Carlo

2 Answers

Security light came on last night while i was driving now my monte carlo wont start all the lights come on it just wont start


The SECURITY light is a common problem on GM cars. The key is not just a key, it also communicates with the ignition/lock cylinder, and then to the TDM (theft deterrent module) also known as the computer. When these parts dont communcate properly, the car thinks its being stolen and turns off the starter. The hard part is finding out which part is failing. Mechanics can use this to their advantage and change everything, running up a large bill. I have found that bypassing the system is the most cost effective method and you also never have to worry about the problem EVER again. Ive bypassed dozens of GM vehicles, and never had any issues after that. Here is a link that explains the problem and offers some solutions.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Monte Carlos effected by Vats or Passlock security Failure that can be fixed by bypassing
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2005 Good luck, hope this helps. Any questions, please comment back.

May 27, 2011 | Chevrolet Monte Carlo Cars & Trucks

1 Answer

Diagram showing how to bypass a/c compressor pulley w/ shorter belt on 1998 Chevy Monte Carlo


buy a belt made for the car without an A/C. take off the A/C compressor and you are good to go.

Dec 15, 2010 | 1998 Chevrolet Monte Carlo

1 Answer

Does anyone know how to bypass the security to install a command start on a 2004 Monte Carlo? What bypass do you ues, expresskit? Fortin?


This vehicle requires the use of a passlock 2 module for the VATS system.
Many companies make them.

Here is a Bulldog 791 bypass install instructions (they all work similarly)...
http://www.bulldogsecurity.com/pdf/Model791.pdf

But these modules tend to fail...
MAKE your own (more reliable one) for about $10 in parts.
See this link...
http://onestart.info/images/vehicle_docs/PDF/gmpasslock2.pdf



BTW:
Astrostart is the parent company of Command Start.

Dec 14, 2010 | 2004 Chevrolet Monte Carlo

1 Answer

1998 Monte Carlo security light flashes, car won't start. How do I reset?


The security system (VATS/PassKey) is having problems, it's typical on those cars/years. It's been a nightmare for us. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my 94 Park Avenue that has the same security system.

Nov 05, 2010 | 1999 Chevrolet Monte Carlo

1 Answer

I installed a pljx vats (keyless entry) bypass to remote start. When I try to remote start the system turns on but does not crank, (security light starts blinking) its when I insert the key that the remote...


For some reasons the bypass is not working, so you need the key to be recognized by the Theft Deterrent Module (TDM) before the fuel enable signal to the PCM can be activated.
There is a great DIY way of bypassing the VATS system entirely, including the TDM (that goes faulty very often with the age of the car). You can find the write-up here: http://newrockies.ca/vatsbypass

Jan 01, 2010 | 1998 Chevrolet Monte Carlo

1 Answer

Replaced the bcm on my car now security light


You need to bypass the entire security system. You can find a great write-up here: http://newrockies.ca

Nov 07, 2009 | 2002 Chevrolet Monte Carlo

1 Answer

97 Chevy Monte Carlo won't start, security light is on


disconnect battery for 24 hrs so the computer will reset and if that dont work take it to chevy dealer and have them reset it manually

Mar 27, 2009 | 1997 Chevrolet Monte Carlo

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