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2002 Chev Tahoe wire diagram

Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=7125
Printed Date: May 14, 2024 at 11:54 PM


Topic: 2002 Chev Tahoe wire diagram

Posted By: Taddat
Subject: 2002 Chev Tahoe wire diagram
Date Posted: December 25, 2002 at 1:04 PM

Looking for a wiring diagram for a 2002 Chev Tahoe??? Thanks.




Replies:

Posted By: Velocity Motors
Date Posted: December 25, 2002 at 2:05 PM

|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        |
|              12V|red                 |+  |ignition harness            |
|          STARTER|yellow              |+  |ignition harness            |
|         IGNITION|pink                |+  |ignition harness            |
|  SECOND IGNITION|white               |+  |ignition harness            |
|        ACCESSORY|orange              |+  |ignition harness            |
|       POWER LOCK|lt. blue            |+  |brown plug at BCM *1        |
|     POWER UNLOCK|white               |+  |brown plug at BCM *1        |
|       LOCK MOTOR|gray                |   |drivers kick panel          |
|     UNLOCK MOTOR|tan                 |   |drivers kick panel          |
|    DISARM DEFEAT|tan                 |   |passengers kick panel       |
| PARKING LIGHTS +|brown               |   |lt. blue plug at BCM *1     |
| PARKING LIGHTS -|white               |   |lt. blue plug at BCM *1     |
|       HEADLIGHTS|white               |+  |lt. blue plug at BCM *1     |
|     DOOR TRIGGER|*2                  |-  |BCM *1                      |
|FCTRY ALRM DISARM|lt.green            |-  |drivers kick *4             |
|       TACHOMETER|white *5            |   |ECM *3                      |
|      SPEED SENSE|dk.GREEN / WHITE      |   |ECM *3                      |
|       BRAKE WIRE|white               |+  |brake pedal switch          |
|     HORN TRIGGER|black               |-  |brown plug at BCM *1        |
|           WIPERS|                    |   |                            |
|  LF WINDOW UP/DN|blue   -   brown    |A  |drivers door switch         |
|  RF WINDOW UP/DN|blue   -   brown    |A  |passenger door switch       |
|  LR WINDOW UP/DN|blue   -   brown    |A  |LR window switch            |
|  RR WINDOW UP/DN|blue   -   brown    |A  |RR window switch            |

Notes:
NOTE: This vehicle has the passlock II immobilizer system   *1 The BCM is located behind the drivers side of the dash. The plugs on the BCM face towards the rear of the vehicle. The parking lights are in pin A5 and the headlights are in pin A11.  *2 Use tan for the drivers door located in pin B4 of the purple plug, the passenger doors are a blue/white in the lt. blue plug, and the rear hatch pin is a pink/black in the lt. blue plug. You must diode isolate these wires.  *3 ECM is located near the battery, down low, between the fender and the fan under the black plastic cover. On the 4.3L, the tach wire is at pin 20 in the connector labeled 'red', and VSS wire is at pin 3 in the connector labeled 'black'. On the 4.8L, 5.3L, and 6.0L, the tach wire is located at pin 10 in the 'red' connector, and VSS wire is located in pin 50 of the 'red' connector.  *4 Also found in the purple plug of the BCM.  *5 Diesel wait to start wire is dk. blue (-) located at the instrument cluster.



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





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