yes its the same as the C3500
Code Systems Tech Support 505527 Code Systems ID:
CHEVROLET SILVERADO C3500 2004 4DR TRUCK
Security Color Polarity Location
Battery RED (+) IGNITION SWITCH HARNESS
Ignition 1 PINK (+) IGNITION SWITCH HARNESS
Starter 1 YELLOW (+) IGNITION SWITCH HARNESS
All Door Trigger GRAY/BLACK (+) DRIVERS "A" PILAR
Domelight Super USE ONE DOOR TRIGGER
LF Latch GRAY/BLACK (-) IN DRIVERS DOOR MODULE
RF Latch BLACK/ WHITE (-) IN PASSENGERS DOOR MODULE
LR Latch LIGHT GREEN/ BLACK (-) IN PASSENGERS DOOR MODULE
RR Latch LIGHT BLUE/BLACK (-) IN PASSENGERS DOOR MODULE
Alarm Disarm LIGHT GREEN (-) AT DRIVERS DOOR MODULE
Parking Lights VIOLET (-) AT VEHICLE LIGHT SWITCH
Low Crr Pk Lights GRAY/BLACK (-) AT LIGHT SWITCH OR BROWN PLUG AT BCM PIN B2
Remote Start
Battery RED (+) IGNITION SWITCH HARNESS
Ignition 1 PINK (+) IGNITION SWITCH HARNESS
Ignition 2 WHITE (+) IGNITION SWITCH HARNESS
Accessory 1 ORANGE (+) IGNITION SWITCH HARNESS
Accessory 2 BROWN (+) IGNITION SWITCH HARNESS
Starter 1 YELLOW (+) IGNITION SWITCH HARNESS
Anti-Theft Type PASSLOCK II
Anti-Theft Descript A RESISTANCE BASED SYSTEM
Key Sense LIGHT GREEN (-) AT STEERING COLUMN HARNESS
Tachometer WHITE (-) AT INSTRUMENT CLUSTER
Glow Plug DK.BLUE (-) BEHIND THE INSTRUMENT CLUSTER
Camshaft Sensor PINK/BLACK IN LARGE CONNECTOR AT THE COMPUTER IN ENGINE
COMPARTMENT
Speed Sense GREEN / WHITE (AC) IN HARNESS ON DRIVERS SIDE OF ENGINE COMPARTMENT
Parking Lights VIOLET (-) AT VEHICLE LIGHT SWITCH
Low Crr. Pk Lights GRAY/BLACK (-) AT LIGHT SWITCH OR BROWN PLUG AT BCM PIN B2
Brake Lights WHITE (+) AT BRAKE PEDAL SWITCH
Reverse Lights LIGHT GREEN (+) BCM BLACK PLUG PIN F
Horn BLACK OR BLACK / YELLOW (-) AT STEERING COLUMN HARNESS
Doorlocks/Windows
Power Unlock DATA BUSS SYSTEM ı ı ı ı
- Note THE DOOR LOCKS IN THIS VEHICLE ARE MULTIPLEXED. WIRE AS A REVERSING POLARITY SYSTEM IN EACH
FRONT DOOR OR ACQUIRE A MULTIPLEX INTERFACE ADAPTER FROM A SECURITY MANUFACTURER.
PowerLock DATA BUSS SYSTEM ı ı ı ı
- Note THE DOOR LOCKS IN THIS VEHICLE ARE MULTIPLEXED. WIRE AS A REVERSING POLARITY SYSTEM IN EACH
FRONT DOOR OR ACQUIRE A MULTIPLEX INTERFACE ADAPTER FROM A SECURITY MANUFACTURER.
Driver Mtr Unlock TAN (+) DRIVERS DOOR MODULE
Driver Mtr Lock GRAY (+) DRIVERS DOOR MODULE
Pas Mtr Unlock TAN (+) PASSENGERS DOOR MODULE
Pas Mtr Lock GRAY (REV) AT MOTOR IN DOOR
LF Window Up BLUE (REV) IN DRVERS DOOR
LF Window Dn BROWN (REV) IN DRVERS DOOR
RF Window Up BLUE (REV) IN PASSENGERS DOOR
RF Window Dn BROWN (REV) IN PASSENGERS DOOR
LR Window Up BLUE (REV) IN PASSENGERS DOOR
LR Window Dn BROWN (REV) IN PASSENGERS DOOR
RR Window Up BLUE (REV) IN PASSENGERS DOOR
RR Window Dn BROWN (REV) IN PASSENGERS DOOR
Convenience
Headlights-Lo WHITE (-) AT LIGHT SWITCH OR LT. BLUE PLUG AT BCM PIN A12
LF Pk Lt Bulb BROWN (+) AT FRONT LEFT PARKING LIGHT
RF Pk Lt Bulb BROWN (+) AT FRONT RIGHT PARKING LIGHT
LR Pk Lt Bulb BROWN (+) AT REAR LEFT PARKING LIGHT