455t with viper 791xv
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=67701
Printed Date: June 29, 2025 at 12:07 PM
Topic: 455t with viper 791xv
Posted By: tcop318
Subject: 455t with viper 791xv
Date Posted: December 05, 2005 at 12:49 PM
Im having a door priority unlocking issue.
the problem is this Lock works as expected, but pressing the Door Unlock button once the remote starter's remote causes the driver's door to unlock, then locks, then locks again and illuminates the factory alarm to on. I hit the remotes unlock again and unlocks all doors as it should . any ideas what the culprit could be, i have listed below my wire connections. Thanks
Viper 791xv 455t “databus interface”
"H1/5 GREEN(-)doortrigger87a,
vehicle door trigger 30,
constant 12v fused 86,
85 455t" =BLACK/ WHITE(-)2SECONDPULSED OUTPUT
GREEN(-)LOCK(+)UNLOCK OUTPUT = GREEN (-) ARM/LOCK INPUT
BLUE (-)UNLOCK OUTPUT=BLUE/WHITE(-)DISARM/DRIVER/UNLOCK
H2/1LIGHTBLUE(-)200mA
2nd unlock output BLUE(-)= DISARM/ALL DOOR UNLOCK INPUT
H2/6 LIGHT GREEN/ BLACK
(-) factory disarm = BLUE/BLACK(-)INPUT FROM R START
12volt constant jeep = RED (+) 12V CONSTANT POWER INPUT
grounded jeep BLACK= (-) CHASSIS GROUND INPUT
98 grand cherokee CCD= WHITE/ BLACK (-) CCD BUS
98 grand cherokee CCD= VIOLET/BROWN (+) CCD BUS
Replies:
Posted By: tcop318
Date Posted: December 06, 2005 at 10:11 AM
I have figured it out, for some reason when the disarm wire is connected to the 455t it causes the jeep to lock and arm itself which causes the doors to lock . By disconnecting this wire from the 455t the doors operate like they should. The only issue is when remote started the facroty alarm would go off . which was fixed by manually connecting the disarm wire from viper to the disarm wire at the body control unit "black plug" purple / yellow wire . Everything finally works . I hope this helps someone as this stumped me for awhile. thanks
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