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Relay to control switch? ex. powerlocks

Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=77774
Printed Date: July 18, 2025 at 1:04 AM


Topic: Relay to control switch? ex. powerlocks

Posted By: bigman17
Subject: Relay to control switch? ex. powerlocks
Date Posted: May 14, 2006 at 6:25 PM

Hi,

I am about to install a viper 791xv and I seem to have everything under control except how to wire up the parking lights, power locks and trunk release.  All of these devices have switches in the car but how would I wire it to the alarm? Do I need a relay for each thing? Thanks




Replies:

Posted By: swamprat323
Date Posted: May 16, 2006 at 8:29 PM
make modle of car.



Posted By: bigman17
Date Posted: May 16, 2006 at 10:58 PM
96 Buick LeSabre



Posted By: swamprat323
Date Posted: May 17, 2006 at 7:41 AM
|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        |
|              12V|red                 |+ |ignition harness            |
|          STARTER|yellow              |+ |ignition harness            |
|        IGNITION|pink               |+ |ignition harness            |
|        ACCESSORY|orange              |+ |ignition harness            |
|       POWER LOCK|RED / black           |- |either door boot            |
|     POWER UNLOCK|ORANGE / black        |- |either door boot            |
|       LOCK MOTOR|gray               |   |drivers door boot           |
|     UNLOCK MOTOR|tan                 |   |drivers door boot           |
|    DISARM DEFEAT|tan                 |   |passengers kick panel       |
| PARKING LIGHTS +|brown               |   |low in drivers kick panel   |
| PARKING LIGHTS -|gray/black          |   |headlight switch *1        |
|       HEADLIGHTS|yellow              |+ |headlight switch *2        |
|     DOOR TRIGGER|tan & dk.blue       |- |*3                          |
| DOME SUPERVISION|lt. GREEN/ black     |- |BCM *4                      |
| TRUNK/HATCH PIN|ORANGE / black        |- |at the trunk light or switch|
|TRNK/HTCH RELEASE|BLACK/ white        |+ |low in drivers kick panel   |
|FCTRY ALRM DISARM|lt. green           |- |either door boot            |
|       TACHOMETER|pur/wht or white    |   |ignition module             |
|      SPEED SENSE|GREEN / WHITE        |4 |PCM *5                      |
|       BRAKE WIRE|lt. blue or white   |+ |brake switch               |
|     HORN TRIGGER|black               |- |steering column             |
|           WIPERS|purple              |+ |steering column             |
| LF WINDOW UP/DN|dk. blue - brown    |A |in drivers door             |
| RF WINDOW UP/DN|lt. blue - tan      |A |in drivers door or dkp      |
| LR WINDOW UP/DN|dk. green - purple |A |in drivers door or dkp      |
| RR WINDOW UP/DN|lt. green - purple |A |in drivers door or dkp      |


Notes:
NOTE: This vehicle is equipped with VATS. Refer to directfax document #1049 for interface information when installing remote start. *1 Not found on all models.   *2 Some models use white (-) at the headlight switch for headlights. *3 The tan is found in the drivers door harness and catches the drivers door only. The dark blue is found low in the drivers kick panel and catches all of the other doors.   *4 The BCM is located behind the glove box. The wires exit downward. *5 The PCM is located behind the drivers side head light.



Posted By: swamprat323
Date Posted: May 17, 2006 at 7:43 AM
only going to need a relay for the trunk relese, power locks/unlock and parkign light hook right up the the wires in the car.



Posted By: bigman17
Date Posted: May 17, 2006 at 6:40 PM
Thanks a lot!


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