2001 F250, Viper 791XV, dome light on
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=57165
Printed Date: May 13, 2025 at 1:10 AM
Topic: 2001 F250, Viper 791XV, dome light on
Posted By: AARONB
Subject: 2001 F250, Viper 791XV, dome light on
Date Posted: June 06, 2005 at 1:54 PM
Please Help I am stuck!!! When I shut the drivers side door the dome light stays on for 30 sec it will turn off sooner if I use the factory's key fob. However if it is on when I arm my viper it registers that the door is open. How do I turn off the dome light when I arm it?
Replies:
Posted By: AARONB
Date Posted: June 06, 2005 at 1:58 PM
Oh yeah!! It is a 2001 F250 Super Duty Diesel with factory keyless entry.
Posted By: oneyedwilly
Date Posted: June 06, 2005 at 2:57 PM
sounds like you are on the wrong wire for your door trigger?some installers just tap into the domelight because its easier to find and get too,downfall to that is the factory delay on the domelight.you need to find the actual door trigger.
Posted By: AARONB
Date Posted: June 06, 2005 at 3:02 PM
I have the right door trigger because the doors when opened set off the alarm. But the dome light stays on after the driverside door is closed for 30 sec. The only way it will go off is if I wait the 30sec or if I use the factory fob to lock the doors. How do I have the viper trigger the domelight off?
Posted By: thepencil
Date Posted: June 06, 2005 at 3:50 PM
Door Trigger BLACK/ lt. blue + gray plug right of column ------------- Be careful whose advice you buy, but be patient with those who supply it. 
Posted By: oneyedwilly
Date Posted: June 06, 2005 at 5:58 PM
what you have is the domelight wire,not the door trigger wire.with the domelight wire,it will trigger just like normal,but will show doors open anytime the domelight is on.get it.any time the domelight is on,its telling the viper the doors are open.its the wrong wire.you need the actual wire that tells the BCM the door is open,the BCM then triggers the other wire to turn the domelight on and off.
Posted By: OhioMike1101
Date Posted: June 06, 2005 at 8:53 PM
Domelight will work though...... just program the unit for 45 second open door report on arming. It will ignore the dome light for 45 seconds after you arm the truck. Or you can hook up domelight supervision and that should turn the dome off when u arm the truck and turn it on when you disarm it.
Posted By: AARONB
Date Posted: June 07, 2005 at 11:20 AM
Found the problem. I had the rigth wire for the doortrigger and the domelight. However with the factory keyless entry you can't turn the dome light off with out locking with the factory key fob. When you arm the truck the viper will bypass the door sensors until the activity has stopped then it will arm them. The domelight problem, with getting the domelight supervision to work had to do with the fact that I needed a relay to switch 12 onto the door trigger, not ground like with my other car., All fixed and working properly. Thanks for the responses.
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