01 explorer sport trac compustar
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=133254
Printed Date: September 10, 2025 at 3:31 AM
Topic: 01 explorer sport trac compustar
Posted By: prdjr165
Subject: 01 explorer sport trac compustar
Date Posted: January 09, 2013 at 8:31 PM
I installed a compustar CM4200 with a Key Override all in a 2001 explorer sport trac,everything seemed to go well untill i remote started the vehicle-it will start and run for about 10 seconds then shut off and then the alarm triggers.I had to program the Compustar to un-lock before start to avoid this.it seems to work that way but i was wondering if there was something i overlooked during the install.Tach was learned successfully to.
Replies:
Posted By: flobee4
Date Posted: January 09, 2013 at 9:32 PM
yes you need to hook up the factory disarm wire from the computstar to the disarm wire in the car. it'll be in the drivers kick panel (-) Dark GREEN/ Purple. It will test as a negative as turning the key to unlock in the door key cylinder outside the car. I think there are more then one of that color down there, but only one will test off the key cylinder.
Then you can turn off unlock before start on the compustar.
The most common reason why the car will only run for 10 seconds is the TACH wire. Either you need to have it hooked up to your car because tachless isn't working, or the wire you have is incorrect or needs to be reprogrammed. The Tach wire is at the ignition control module at the top back of the engine near where the windshield wipers are. You can use any wire that is tan with a strip in it. Also you can find it behind the instrument cluster tan / YELLOW
Posted By: prdjr165
Date Posted: January 09, 2013 at 11:01 PM
i looked evrywhere in the drivers kick panel and even the harness coming in from the door and couldn't find any dk grn/ppl wires,so i tested the truck by locking the door before closing it -waiting a couple minutes then reaching in and unlocking the door and opening it,nothing happened so i determined that there's no factory alarm.
Posted By: flobee4
Date Posted: January 10, 2013 at 7:41 AM
If the car doesn't have a factory alarm then the disarm wire will not be there. You might have an aftermarket add on alarm. While installing the remote starter did you see any aftermarket items attached or any other wires spliced into?
Posted By: offroadzj
Date Posted: January 10, 2013 at 10:55 AM
Does the vehicle have a chipped key? If so, what bypass did you use? It sounds to me like maybe the immobilizer is being triggered and that is setting off the alarm. To test for a chipped key either wrap the head of the key completely in tin foil and try starting it, or pick up a cheap $2 metal key and see if that will start it (and run it for at least 30 seconds).
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Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205
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