300 ZX factory alarm wont stop!! What gives..Help!

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=4551
Printed Date: July 07, 2025 at 5:16 AM

Topic: 300 ZX factory alarm wont stop!! What gives..Help!

Posted By: GreenBee
Subject: 300 ZX factory alarm wont stop!! What gives..Help!
Date Posted: October 17, 2002 at 12:56 AM

Okay, I just deinstalled a Viper 500 from the 1993, 300ZX. There were no wires going to the glove box which is where i was told the factory alarm is. Whenever i attach the neg batt cable, the factory horn starts and wont stop. I dont have a clue how to stop it and the car wont start either!!

I need help!! I also did not see an obvious alarm box behind the glove box as i was told. what does it look like?

How is the factoryt theft system suppossed to work? (There are no key fobs or remotes) How do you bypass/deactivate it??

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The GreenBee

Replies:

Posted By: SOUND PRESSURE
Date Posted: October 17, 2002 at 1:03 AM

https://www.the12volt.com/installbay/detail.asp?info=alarm&year=1993-94&make=Nissan&model=300ZX&ID=18520&type=Alarm

See if you can located that gray/red wire which is your factory disarm wire and ground it. That should take care of that problem.

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Sound Pressure

You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!

Posted By: GreenBee
Date Posted: October 17, 2002 at 1:16 AM

From experience.....Do you know where that wire is located? Would the anti-theft module have that labeled on it? What i saw behind the glove box looked like the vehicles computer.

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The GreenBee

Posted By: SOUND PRESSURE
Date Posted: October 17, 2002 at 1:23 AM

Unfortunately on this car I'm following the notes provided. It says on some models it may be behind the glove box, if not check under the dash(steering colum)

No the unit will not have the wires marked, only color coded.

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Sound Pressure

You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!

Posted By: go2pac
Date Posted: October 17, 2002 at 1:32 AM

Have you tried the key in the drivers door?

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Karl

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