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wiring diagram for a 2003 Gmc

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=13046
Printed Date: May 15, 2024 at 8:33 PM


Topic: wiring diagram for a 2003 Gmc

Posted By: khenderson
Subject: wiring diagram for a 2003 Gmc
Date Posted: May 01, 2003 at 9:36 PM

I need a wiring diagram for a GMC sierra 1500 4X4 without power windows and doorlocks no onstar or bose . I am wanting to install a black widow 3200 alarm on my truck.. Thanks for any help




Replies:

Posted By: Velocity Motors
Date Posted: May 01, 2003 at 10:32 PM

|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        |
|              12V|red (x2)            |+  |ignition harness            |
|          STARTER|yellow              |+  |ignition harness            |
|         IGNITION|pink (12 awg)       |+  |ignition harness            |
|  SECOND IGNITION|white               |+  |ignition harness            |
|        ACCESSORY|orange              |+  |ignition harness            |
| SECOND ACCESSORY|brown               |+  |ignition harness            |
|       POWER LOCK|use Directed module |   |                            |
|     POWER UNLOCK|part #456G *2       |   |                            |
|       LOCK MOTOR|gray                |   |driver door module in door  |
|     UNLOCK MOTOR|tan                 |   |driver door module in door  |
|    DISARM DEFEAT|tan                 |   |pass. door module in door   |
| PARKING LIGHTS +|                    |   |                            |
| PARKING LIGHTS -|gray/black          |   |brown plug @ BCM *1         |
|       HEADLIGHTS|                    |   |                            |
|     DOOR TRIGGER|gry/blk(L),blk/wht(R|-  |each door module in door *3 |
| DOME SUPERVISION|use door trigger    |   |                            |
|  TRUNK/HATCH PIN|                    |   |                            |
|         HOOD PIN|                    |   |                            |
|TRNK/HTCH RELEASE|                    |   |                            |
|  FCTRY ALARM ARM|arms with lock      |   |                            |
|FCTRY ALRM DISARM|lt. green           |-  |driver door module in door  |
|       TACHOMETER|NOT pnk, blk, or brn|   |any ignition coil           |
|      SPEED SENSE|                    |   |                            |
|       BRAKE WIRE|white               |+  |brake pedal switch          |
|     HORN TRIGGER|black               |-  |steering column             |
|           WIPERS|pink                |-  |steering column             |
|  LF WINDOW UP/DN|blue - brown        |A  |driver window motor         |
|  RF WINDOW UP/DN|blue - brown        |A  |passenger window motor      |

Notes:
NOTE: This vehicle has the passlock II immobilizer system that, when adding a remote start, must be interfaced with. Use PLDATA or IPPME with GMDL4 . The passlock II wire colors are yellow, black, and RED / white (not used).  *1 The BCM (Body Control Module) is under the driver side dash.  *2 GMDL4  On base model trucks the lock wire is lt. blue (-) and unlock wire is white (-). They are in the lt. blue plug at the BCM.  *3 On base model trucks the door trigger wires are in the lt. blue plug at the BCM. On 4dr trucks the LR door trigger is lt. blue/black, and the RR is lt. GREEN/ black. They are in the purple plug at the BCM. Use all wires and diode isolate.



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





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