Print Page | Close Window

2018 Chevrolet Express 2500 Security Wiring Needed

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=145224
Printed Date: March 28, 2024 at 9:31 PM


Topic: 2018 Chevrolet Express 2500 Security Wiring Needed

Posted By: gpomp
Subject: 2018 Chevrolet Express 2500 Security Wiring Needed
Date Posted: February 07, 2019 at 7:55 PM

Hello everyone. Can someone provide me a wiring diagram for my 2018 Chevy Express 2500 6 cylinder Cargo van? I need to put my security system in.
Thank you.

-------------
George



Replies:

Posted By: i am an idiot
Date Posted: February 08, 2019 at 9:07 AM
12 Volts      red/white (10A)      +      BCM under passenger dash, black 25 pin plug, pin 1           
Second 12 Volts      red/black (125A)      +      body fuse box under driver seat           
Ground      (chassis ground)                     
Starter      violet (for starter kill only)      +      starter or underhood fuse box, lt. gray 56 pin plug, pin E1           
Second Starter      pink (R Code) (see Tech Doc 1605)      +9600 ohms      ignition switch, black 6 pin plug, pin 5           
Ignition      pink      +      ignition switch, black 6 pin plug, pin 2           
Accessory      brown      +      ignition switch, black 6 pin plug, pin 3           
Second Accessory      same as second starter      +6300 ohms                
Keysense      same as second starter                     
CAN Bus High      tan/black      data      OBD-data link connector, black 16 pin plug, pin 6           
CAN Bus Low      tan      data      OBD-data link connector, black 16 pin plug, pin 14           
CAN Bus SW      dk. green      data      OBD-data link connector, black 16 pin plug, pin 1           
OBD 12 Volts      red/white (20A)      +      OBD-data link connector, black 16 pin plug, pin 16           
OBD Ground      black/white      -      OBD-data link connector, black 16 pin plug, pin 4           
IMMO Data      dk. green      data      Immobilizer Control Module on ignition switch, black 5 pin plug, pin 4           
IMMO Power      red/white      +      Immobilizer Control Module on ignition switch, black 5 pin plug, pin 1           
Power Lock      pink/black      -      driver kick or BCM under pass dash, gray plug, pin 12           
Power Unlock      orange/black      -      driver kick or BCM under pass dash, gray plug, pin 11           
Power Unlock - Driver Door      yellow      -      BCM under pass dash, gray plug, pin 6           
Lock Motor      gray      5 wire      driver kick, black 40 pin plug, pin B8           
Driver Unlock Motor      tan      5 wire      driver kick, black 40 pin plug, pin B7           
Passenger Unlock Motor      tan      5 wire      pass kick or body fuse box under driver seat, blk 56 pin plug, pin J4           
Parking Lights      brown      +      body fuse box under driver seat, lt. gray 56 pin plug, pin B4           
Parking Lights -      lt. blue      -      BCM under passenger dash, white 25 pin plug, pin 8 or headlight switch           
Hazards      white      -      hazard switch or BCM under pass dash, green plug, pin 19           
Turn Signal (Left)      lt. blue/white (F); yellow (R)      +      BCM under passenger dash, brown plug, pins 4 and 1           
Turn Signal (Right)      dk. blue/white (F); dk. green (R)      +      BCM under passenger dash, black plug, pin 5; brown plug, pin 2           
Headlight      white (also need to trigger parking lights (-))      -      headlight switch or BCM under pass dash, white plug, pin 12           
AutoLights      dk. green      - (off)      headlight switch or BCM, white plug, pin 17           
Reverse Light      dk. blue      +      BCM under passenger dash, white plug, pin 22           
Left Front Door Trigger      gray/black (ajar); tan (open)      -      BCM under passenger dash, pink 25 pin plug, pin 10; gray plug, pin 23           
Right Front Door Trigger      tan/white      -      BCM under passenger dash, pink plug, pin 8           
Left Rear Door Trigger      dk. blue/white      -      BCM under passenger dash, pink plug, pin 15           
Right Rear Door Trigger      yellow/black      -      BCM under passenger dash, pink plug, pin 14           
Dome Light      gray/black or dk. blue/white      +      BCM under passenger dash, white plug, pin 5           
Trunk/Hatch Pin      pink/black      -      BCM under passenger dash, pink plug, pin 12           
Hood Pin      pink/black      -      BCM under passenger dash, black plug, pin 17           
Trunk/Hatch Release      yellow (unlock rear cargo door only)      +      BCM under passenger dash, gray plug, pin 2           
Power Sliding Door (Left)      lt. blue (F); lt. green (R) (left side access panel)      -      BCM under passenger dash, black plug, pins 24, 11           
Power Sliding Door (Right)      lt. blue (right side access panel)      -      BCM under passenger dash, black plug, pin 20           
Tachometer      dk. blue/white (gas)      ac      ECM on driver fender, black 73 pin plug, pin 60           
Tachometer 2      yellow/violet (diesel)      ac      ECM on driver fender, black 96 pin plug, pin 41           
Wait to Start      green/brown      -      instrument cluster, black 20 pin plug, pin 9 or ECM on driver fender, black 66 pin plug, pin 19           
Fuel Pump      gray      +      underhood fuse box, black 30 pin plug, pin B1           
Rear Defroster      white      + latched      body fuse box under driver seat, lt. gray 56 pin plug, pin C4           
Mirror Defroster      same as rear defroster                     
Speed Sense      dk. green/white or yellow/black (gas)      ac      ECM on driver fender, blue 56 pin plug, pin 50           
Brake Wire      lt. blue/white (functions with ignition on only)      +      BCM under passenger dash, brown plug, pin 6           
Parking Brake      lt. blue      -      parking brake switch or BCM under pass dash, brown plug, pin 16           
Horn Trigger      tan      -      horn switch or BCM under pass dash, brown plug, pin 18           
Wipers      gray      +      BCM under passenger dash, brown plug, pin 20           
Left Front Window (Up/Down)      dk. blue - brown      A      driver window switch, black 8 pin plug, pins G and H           
Right Front Window (Up/Down)      lt. blue - tan      A      driver kick, black 40 pin plug, pins D5 and D4           





Print Page | Close Window