viper 791 xv lock unlock wire issue
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=43255
Printed Date: May 13, 2025 at 12:12 AM
Topic: viper 791 xv lock unlock wire issue
Posted By: isus
Subject: viper 791 xv lock unlock wire issue
Date Posted: November 17, 2004 at 10:17 PM
OKay I have a 2000 dodge neon, I have been having issues with hooking up the door lock unlock wires with the proper resistor values. Basically I want my factory alarm to arm as well as the viper alaram when I lock. Funny thing is when I only hook up one of the wires either the lock (green off of the 791) or unlock (blue off of the 791) with a resistor value less than 1 k ohm, I can lock and unlock the doors using just one of the wires off of the alarm unit. But my car still does not arm from the factory alarm.
Replies:
Posted By: Teamrf
Date Posted: November 17, 2004 at 10:25 PM
On some cars the door locks doesn't arm/disarm the fac. alarm. If this is the case you need to find the fac arm/and disarm wires and tap into those.
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~The Rookie~
Rookie of the year that is...
Don't let the smoke out of your equiptment..it doesn't go back in.
Posted By: meltingplastic
Date Posted: November 17, 2004 at 10:44 PM
Power Lock lt. green - drivers door harness
Notes: Relays are required for both lock and unlock. Lock is negative trigger thru a 1K ohm resistor, unlock is negative thru a 250 ohm resistor. If vehicle has factory alarm, use negative trigger thru a 2.7K ohm resistor for arm/lock, and negative thru a 7.5K ohm resistor for disarm/unlock, use double pulse for unlock.
Power Unlock same wire
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Driving a Bagged, Caddied 02 s10
Posted By: isus
Date Posted: November 17, 2004 at 10:44 PM
My car is one of the ones that does arm and disarm through the locks. I will have to see if I can hit a different wire.
Posted By: extreme1
Date Posted: November 17, 2004 at 11:55 PM
you HAVE to use relays with the 791xv because of the +- doorlock outputs on the viper.
the lt.green wire coming out of the drivers door harness is the wire you want.
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Shaughn Murley
Install Manager, Dealer Services
Visions Electronics
Red Deer, Alberta
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