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1998 chev truck wiring diagram and door locks

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=4352
Printed Date: July 21, 2025 at 11:13 PM


Topic: 1998 chev truck wiring diagram and door locks

Posted By: rayjenn
Subject: 1998 chev truck wiring diagram and door locks
Date Posted: October 10, 2002 at 9:45 PM

Can anyone help me with a wiring diagram for a 1998 chev truck?Also are the door locks positive or 5 wire reverse. I do not have keyless entry.Will I need two relays?

thanks very much



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rayjenn



Replies:

Posted By: SOUND PRESSURE
Date Posted: October 10, 2002 at 10:22 PM

What model truck?



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Sound Pressure

You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!



Posted By: Velocity Motors
Date Posted: October 11, 2002 at 12:40 AM

|              12V|red                 |+  |ignition harness            |
|          STARTER|yellow or purple    |+  |ignition harness            |
|         IGNITION|pink                |+  |ignition harness            |
|  SECOND IGNITION|white *5            |+  |ignition harness            |
|   THIRD IGNITION|pink/white *1       |+  |ignition harness            |
|        ACCESSORY|orange              |+  |ignition harness            |
|       POWER LOCK|lt. blue            |*2 |either door boot            |
|     POWER UNLOCK|white               |*2 |either door boot            |
|       LOCK MOTOR|gray                |   |drivers kick panel          |
|     UNLOCK MOTOR|tan                 |   |drivers kick panel          |
|    DISARM DEFEAT|tan                 |   |passengers kick panel       |
| PARKING LIGHTS +|brown               |   |switch or fuse panel        |
|       HEADLIGHTS|yellow              |+  |at switch                   |
|     DOOR TRIGGER|purple or ppl/wht   |-  |light switch                |
|       TACHOMETER|white *3            |   |ECM *4                      |
|       BRAKE WIRE|white               |+  |at brake pedal switch       |
|     HORN TRIGGER|black               |-  |at column                   |
|           WIPERS|purple              |+  |steering column             |
|  LF WINDOW UP/DN|dk. blue - brown    |A  |at drivers door switch      |
|  RF WINDOW UP/DN|light blue - tan    |A  |drivers door or boot        |
|  LR WINDOW UP/DN|green - purple      |A  |drivers door or boot        |
|  RR WINDOW UP/DN|lt. grn - pur/wht   |A  |drivers door or boot        |

Notes:
NOTE: This vehicle has the passlock II immobilizer system that, when adding a remote start, *1 The pink/white does not exist on all models.   *2 5 wire (type C) on the two door models, and positive trigger (type A) on the four door and keyless entry models.  *3 Tach wire on the 6.5 Diesel is white at the instrument cluster. Diesel wait to start wire is dk. blue (-) located at the instrument cluster 'see directfax document #1090'.  *4 ECM located on drivers side inner fender well. Two plugs, white wire in plug marked 'white'.  *5 Make sure to enable second ignition wires for remote starts to prevent possible transmission damage and the check engine light from coming on.



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



Posted By: rayjenn
Date Posted: October 11, 2002 at 1:13 PM
The truck is a half ton extra cab. Thanks a lot for the fast reply.

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rayjenn


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