Keyless Entry Wiring, 2018 GMC Savanah
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=147158
Printed Date: April 28, 2024 at 2:52 AM
Topic: Keyless Entry Wiring, 2018 GMC Savanah
Posted By: zammarelli
Subject: Keyless Entry Wiring, 2018 GMC Savanah
Date Posted: December 01, 2021 at 3:57 PM
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
Replies:
Posted By: i am an idiot
Date Posted: December 01, 2021 at 6:47 PM
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
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