2008 Silverado Ignition Switch Diagram

Vehicle Wiring Details for your 2007-2011 Chevrolet Silverado Wiring Diagram	Printer Friendly Version
Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2007-2011 Chevrolet Silverado . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.
PART  COLOR  LOCATION  12 VOLT CONSTANT   RED/WHITE (+) (X4)   @ BCM, BLACK PLUG, PINS 1,2,3 and 4, SEE NOTE #2  STARTER  SEE NOTE #1  STARTER 2  N/A  IGNITION 1  PINK (+)  @ IGNITION SWITCH HARNESS or BCM, LT. GREEN PLUG, PIN 14, SEE NOTE #2  IGNITION 2  N/A  IGNITION 3  N/A  ACCESSORY/HEATER BLOWER 1  BROWN or YELLOW (+)  @ IGNITION SWITCH HARNESS or BCM, LT. GREEN PLUG, PIN 21, SEE NOTE #2  ACCESSORY/HEATER BLOWER 2  N/A  KEYSENSE  N/A  PARKING LIGHTS ( - )  LT. BLUE (-)  @ HEADLIGHT SWITCH or BCM, WHITE PLUG, PIN 8, SEE NOTE #2  PARKING LIGHTS ( + )  N/A  POWER LOCK  SEE NOTE #1  POWER UNLOCK  SEE NOTE #1  DOOR TRIGGER  GRAY/BLACK (-) SEE NOTE #3  (ON BASE MODELS) @ BCM, PINK PLUG, PIN 10, SEE NOTE #2  DOMELIGHT SUPERVISION  GRAY(DOME LIGHT)(+), WHITE/BLACK(CARGO LIGHT) (+)  @ BCM, WHITE PLUG, PIN 5 OR PINK PLUG, PIN 2, SEE NOTE #2  TRUNK RELEASE  N/A  SLIDING POWER DOOR  N/A  HORN  TAN (-)  @ HORN SWITCH or BCM, BROWN PLUG, PIN 18, SEE NOTE #2  TACH  Any wire NOT PINK, PINK/BLACK or PINK/WHITE (AC), SEE NOTE #4  @ ANY FUEL-INJECTOR  WAIT TO START LIGHT  DK. BLUE (-)  @ INSTRUMENT CLUSTER, BLACK 20-PIN PLUG, PIN 17  BRAKE  LT. BLUE/WHITE (+) (TEST WITH IGNITION ON)  @ BRAKE PEDAL SWITCH or BCM, BROWN PLUG, PIN 6, SEE NOTE #2  FACTORY ALARM DISARM   LT. GREEN (-) SEE NOTE #5  On BASE Model @ BCM, PINK PLUG, PIN 20, SEE NOTE #2  ANTI-THEFT  GM'S MULTIPLEX IGNITION/ANTI-THEFT SYSTEM, See NOTE #1  EXTRA INFORMATION  NOTE #1: This vehicle REQUIRES a Special INTERFACE BYPASS MODULE for REMOTE STARTING AND for KEYLESS ENTRY Installation, you MUST USE the INTERFACE BYPASS MODULE, Part # DB-ALL or XK09, EITHER Bypass will do the Anti-theft and Keyless entry, either Bypass Module will also require Part # RFLCHGM, to order go to the INTERFACE BYPASS MODULE Page on this website. NOTE #2: The BCM is located UNDER the Drivers Side of the Dash and to the LEFT of the Steering Column. NOTE #3: On Premiun Models this wire is located at the Drivers Window Switch, BROWN 16-PIN PLUG, PIN 13 NOTE #4: On DIESELS use the DK. BLUE/WHITE @ the CAM SHAFT POSITION SENSOR, GRAY 3-PIN PLUG, PIN 1 or at the ECM, BLACK, 96-PIN PIN PLUG, PIN 56. The Cam shaft Position Sensor is located on the Front of the engine, above the crank pulley. The ECM, is located at the Left Front of the engine compartment, near the Fan Shroud. NOTE #5: On PREMIUM Models, this wire is located at the Driver Window Switch, BROWN, 16-PIN PLUG, PIN 4, on the Base or Premium model, TEST this wire while turning the key in the drivers door key cylinder.

Source: http://www.commandocaralarms.com/wiring/2007-2011/chevrolet/silverado/495.html

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