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2002 gmc 2500 truck/ autostart info

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Member - Posts: 2
Member spacespace
Joined: December 19, 2002
Location: United States
Posted: January 16, 2003 at 6:34 PM / IP Logged  

looking to find out the wiring for a new gmc truck for an auto start......?    are they different from a 2000?  are they still using pass lock II?  any info would be great..................

thanks Joe

Copper - Posts: 150
Copper spacespace
Joined: April 24, 2002
Location: Michigan, United States
Posted: January 16, 2003 at 7:05 PM / IP Logged  

|       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/black           |   |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|            |-  |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|                    |   |                            |
|  RR WINDOW UP/DN|                    |   |                            |


NOTE:  This vehicle has the passlock II immobilizer system that, when adding a remote start, must be interfaced with. Use DEI part 555t or 555L.  *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, and for the passenger door it will be a orange in pin B2 in the purple plug or in pin B11 of the plug, 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 tach wire is white at the cluster. Diesel wait to start wire is dk. blue (-) located at the instrument cluster.

Member - Posts: 2
Member spacespace
Joined: December 19, 2002
Location: United States
Posted: January 28, 2003 at 9:50 PM / IP Logged  

thanks for the info, jason

it is greatly appreciated

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Disclaimer: *All information on this site ( ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

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