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99 expedition door trigger

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=8039
Printed Date: July 30, 2025 at 6:43 PM


Topic: 99 expedition door trigger

Posted By: demsy
Subject: 99 expedition door trigger
Date Posted: January 12, 2003 at 3:04 PM

ok i installed an ungo 2007 all works except the door trigger, i tapped into the BLACK/ lt. blue in pass kick and after about 30 min the alarm goes off. i guess its the time out the truck has. what do i need to do to make the doors work.

thanks




Replies:

Posted By: jayts95
Date Posted: January 12, 2003 at 6:24 PM

Does the truck have factory keyless entry?  If it does you can get the door trigger at the keyless entry module.  The keyless is located on the firewall near the driver kick panel.  The door trigger wire is the light blue/white next to the black pink.  It is a negative trigger.



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Posted By: jayts95
Date Posted: January 12, 2003 at 6:26 PM

|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        |
|              12V|yellow, grn/purple  |+  |ignition harness            |
|          STARTER|RED / lt. blue        |+  |ignition harness            |
|         IGNITION|blue/lt. green      |+  |ignition harness            |
|  SECOND IGNITION|gray / YELLOW(2nd acc)|+  |ignition harness            |
|        ACCESSORY|RED / black           |+  |ignition harness            |
| SECOND ACCESSORY|BLACK/ green         |+  |ignition harness            |
|       POWER LOCK|pink / YELLOW         |-  |keyless module *2           |
|     POWER UNLOCK|pink/green          |-  |keyless module *2           |
|       LOCK MOTOR|pink/black          |   |drivers kick panel          |
|     UNLOCK MOTOR|RED / orange          |   |drivers kick panel          |
|    DISARM DEFEAT|pink/orange         |   |passengers kick panel       |
| PARKING LIGHTS +|brown               |   |at light switch             |
| PARKING LIGHTS -|                    |   |                            |
|       HEADLIGHTS|                    |   |                            |
|     DOOR TRIGGER|lt. blue/white *3   |-  |keyless module *2           |
| DOME SUPERVISION|BLACK/ lt. blue      |+  |passenger kick panel        |
|  TRUNK/HATCH PIN|tied in with door   |   |                            |
|         HOOD PIN|                    |   |                            |
|  FCTRY ALARM ARM|                    |   |                            |
|FCTRY ALRM DISARM|                    |   |                            |
|       TACHOMETER|*1                  |   |                            |
|      SPEED SENSE|gray/black          |   |cruise control module *4    |
|       BRAKE WIRE|green               |+  |at brake switch             |
|     HORN TRIGGER|dk. blue            |-  |steering column             |
|           WIPERS|                    |   |                            |
|  LF WINDOW UP/DN|wht/blk - orn/wht   |A  |at drivers door motor       |
|  RF WINDOW UP/DN|tan/blu - wht/yel   |A  |drivers door switch         |
|  LR WINDOW UP/DN|yel/blu - gry/orn   |A  |drivers door switch         |
|  RR WINDOW UP/DN|RED / blk - yel/blk   |A  |drivers door switch         |

Notes:
NOTE: This vehicle is equipted with PATS (Passive Anti Theft System). Use DEI module 555F to over-ride during remote start.  *1 Tach wire: On the 4.6L it is a pink/white in a 3 pin plug at the front of the motor below the air intake and next to the fan. On the 5.4L it is a lt. GREEN / WHITE at the coil on the passenger side of the motor between the fuel injectors.  *2 The keyless module is located high in the drivers kick against the firewall.  *3 One of two. The wire is in pin 11 and it is next to the BLACK/ pink wire. Test with a digital multi-meter ONLY, to keep from damaging the circuit tied into the other lt. blue/white.  *4 The cruise control module is on the driver side fender.



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Posted By: demsy
Date Posted: January 13, 2003 at 4:25 AM
i tied into the keyless entry module and it does the same thing......            also amyone have wiring colors for a 02 suburban




Posted By: Velocity Motors
Date Posted: January 13, 2003 at 5:35 AM
You have to bypass the GEM module that shuts down after 30 - 45 minutes. After the shut down the door trigger wires loose power and they rest at nothing causing a false in the Ungo's door trigger circuit and setting the alarm off. To bypass this you must use diodes and isolate each trigger point separately or use a relay to isolate.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA




Posted By: demsy
Date Posted: January 13, 2003 at 8:40 AM

can u please let me know what wire colors im looking for the door triggers. and where are they located

would be easier then probing

thanks





Posted By: demsy
Date Posted: January 13, 2003 at 6:01 PM
ok this is straight from ungo   the lt. blue/white on the bcm the one that shows no pwr with doors closed and ground with doors open is the one to tap into.      will try and let u know





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