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Keyless Entry Wiring, 2018 GMC Savanah


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zammarelli 
Member - Posts: 1
Member spacespace
Joined: July 03, 2006
Location: United States
Posted: December 01, 2021 at 3:57 PM / IP Logged Link to Post Post Reply Quote zammarelli
I want to install keyless entry on a work van. Very simple. Just a fob to lock/unlock doors. Don't need anything fancy like alarms, remote starts, don't even want horn or light activation. I've done this before on older vehicles but wasn't sure if there's anything special on newer ones. Is it still as simple as finding the lock and unlock wires and splicing in my keyless entry box? Thsi is a 2018 gmc savana
i am an idiot 
Platinum - Posts: 13,666
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: December 01, 2021 at 6:47 PM / IP Logged Link to Post Post Reply Quote i am an idiot
12 Volts      red/white (10A)      +      BCM under passenger dash, black 25 pin plug, pin 1      Directwire      
Second 12 Volts      red/black (125A)      +      body fuse box under driver seat      Directwire      
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      Directwire      
Ignition      pink      +      ignition switch, black 6 pin plug, pin 2      Directwire      
Accessory      brown      +      ignition switch, black 6 pin plug, pin 3      Directwire      
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      Directwire      
IMMO Power      red/white      +      Immobilizer Control Module on ignition switch, black 5 pin plug, pin 1      Directwire      
Power Lock      pink/black      -      driver kick or BCM under pass dash, gray plug, pin 12      Directwire      
Power Unlock      orange/black      -      driver kick or BCM under pass dash, gray plug, pin 11      Directwire      
Power Unlock - Driver Door      yellow      -      BCM under pass dash, gray plug, pin 6      
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB

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