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'91 Pontiac Firebird Wiring Diagram

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=9503
Printed Date: June 09, 2024 at 1:43 AM


Topic: '91 Pontiac Firebird Wiring Diagram

Posted By: LarryJoeBird
Subject: '91 Pontiac Firebird Wiring Diagram
Date Posted: February 14, 2003 at 9:50 AM

Trying to install a new car horn, can someone please send me the wiring diagram for a '91 Pont. Firebird, so I can know which wire is which. Thank you.

mjk761@hotmail.com




Replies:

Posted By: BNLUIS
Date Posted: February 14, 2003 at 12:28 PM

|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        |
|              12V|red                 |+  |ignition harness            |
|          STARTER|yellow              |+  |ignition harness            |
|         IGNITION|pink                |+  |ignition harness            |
|        ACCESSORY|orange              |+  |ignition harness            |
|       POWER LOCK|lt. blue            |+  |drivers kick panel          |
|     POWER UNLOCK|black               |+  |drivers kick panel          |
| PARKING LIGHTS +|brown               |   |switch or rear harness      |
|       HEADLIGHTS|yellow              |+  |at switch                   |
|     DOOR TRIGGER|white               |-  |underdash light             |
|  TRUNK/HATCH PIN|BLACK/ orange        |-  |at cargo light *1           |
|TRNK/HTCH RELEASE|black               |+  |hatch release relay *2      |
|       TACHOMETER|white, PURPLE / white |   |at coil                     |
|       BRAKE WIRE|lt. blue or yellow  |+  |at brake pedal switch       |
|     HORN TRIGGER|black               |-  |steering column             |
|           WIPERS|purple              |+  |L of steering column        |
|  LF WINDOW UP/DN|dk. blue - brown    |C  |at window switch            |
|  RF WINDOW UP/DN|blu/wht - tan       |C  |at window switch            |

Notes:
NOTE: This vehicle is equipped with VATS.  Refer to directfax document #1049 for interface information when installing remote start.  *1 Only on models equipped with a cargo light.  *2 The trunk pop relay is located in the convenience center located to the right of the steering column.



-------------
Luis
Sound Waves
Is up to the installer to test all wires with a DMM whenever possible.





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