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Wiring Diagram 1979 Chevy Blazer

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=11595
Printed Date: July 13, 2025 at 3:53 PM


Topic: Wiring Diagram 1979 Chevy Blazer

Posted By: Saxomophone
Subject: Wiring Diagram 1979 Chevy Blazer
Date Posted: March 29, 2003 at 7:21 AM

Hi all, i'm looking for a wiring diagram for a 1979 Chevy Blazer, 2wd 250ci. I need engine compartment and cab diagrams including the fuse box.

Can anyone help me out with this or does anyone have an original factory manual for sale?

grtz

sax




Replies:

Posted By: Velocity Motors
Date Posted: March 30, 2003 at 9:56 AM
|              12V|red                 |+  |ignition harness            |
|          STARTER|yellow or purple    |+  |ignition harness            |
|         IGNITION|pink                |+  |ignition harness            |
|        ACCESSORY|orange              |+  |ignition harness            |
|       POWER LOCK|lt. blue            |5wi|drivers kick panel          |
|     POWER UNLOCK|BLACK/ white         |5wi|drivers kick panel          |
| PARKING LIGHTS +|brown               |   |switch or rear harness      |
|       HEADLIGHTS|yellow              |+  |at switch                   |
|     DOOR TRIGGER|white               |-  |pin or courtesy light       |
| DOME SUPERVISION|use door trigger    |   |                            |
|TRNK/HTCH RELEASE|black               |+  |relay under left dash       |
|       TACHOMETER|white               |   |coil on top of engine       |
|       BRAKE WIRE|white               |+  |at brake pedal switch       |
|     HORN TRIGGER|black               |-  |steering column             |
|           WIPERS|purple              |+  |left of steering column     |

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



Posted By: Saxomophone
Date Posted: April 02, 2003 at 3:45 AM

It looks a bit unclear to me so i printed this out and will check this weekend when i'm working on the truck.Maybe then it'll make more sense :)

In any case thanks for the reply

grtz

sax


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