2018 chevy suburban standard key
12 Volts Red/Violet (20A) + BCM under driver dash, blue 27 pin plug, pin 4
Second 12 Volts Red/Blue (2A) + Ignition Switch, black 6 pin plug, pin 4
Ground (chassis ground)
Starter Kill Yellow + Underhood Fuse Box, green 58 pin plug, pin E2
Second Starter White/Violet (R Code) (see Tech Doc 1605) + 9600 Ohms Ignition Switch, black 6 pin plug, pin 5
Ignition Violet/Black + Ignition Switch, black 6 pin plug, pin 2
Accessory Violet/Yellow + Ignition Switch, black 6 pin plug, pin 3 Notes
Second Accessory (same as second starter) + 6300 Ohms
R Code White/Violet MUX Ignition Switch, black 6 pin plug, pin 5
Keysense (same as second starter)
CAN Bus High Blue Data OBD-Data Link Connector, black 16 pin plug, pin 6
CAN Bus Low White Data OBD-Data Link Connector, black 16 pin plug, pin 14
CAN Bus High 2 Blue Data BCM under driver dash, white 26 pin plug, pin 25
CAN Bus Low 2 White Data BCM under driver dash, white 26 pin plug, pin 24
CAN Bus SW Green Data OBD-Data Link Connector, black 16 pin plug, pin 1
CAN Bus SW 2 Green Data BCM under driver dash, gray 26 pin plug, pin 23
OBD 12 Volts Red/White (10A) + OBD-Data Link Connector, black 16 pin plug, pin 16
OBD Ground Black - OBD-Data Link Connector, black 16 pin plug, pin 4
OBD Connector Black Under Driver Dash, Next To Hood Release
IMMO Data Green/Violet Data Immobilizer Control Module on ignition switch, violet 3 pin plug, pin 2
IMMO Data 2 Green/Violet (alternate location) Data BCM under driver dash, green 25 pin plug, pin 2
Power Lock Brown/Yellow - BCM under driver dash, blue 27 pin plug, pin 19
Power Unlock Brown/White - BCM under driver dash, blue 27 pin plug, pin 15
Lock Motor Brown/Yellow Reverse BCM under driver dash, pink 27 pin plug, pin 4
Driver Unlock Motor Blue/White Reverse BCM under driver dash, pink 27 pin plug, pin 1
Passenger Unlock Motor Gray/Green Reverse BCM under driver dash, pink 27 pin plug, pin 2
Factory Alarm Arm (factory remote only)
Factory Alarm Disarm (transponder and ignition)
Parking Lights Violet/Gray (L); Gray/Brown (R) + Underhood Fuse Box, brown 58 pin plug, pin G1 (L); pin F1 (R)
Parking Lights - Green/Gray - Headlight Switch, black 12 pin plug, pin 5
Parking Lights NEG 2 Green/Gray (alternate location) - BCM under driver dash, white 26 pin plug, pin 22
Hazards Green/White - BCM under driver dash, blue 27 pin plug, pin 26
Turn Signal (Left) Blue/White (LF); Yellow/Blue (LR) + BCM under driver dash, brown 26 pin plug, pin 2 (LF); pin 1 (LR)
Turn Signal (Right) Green/Violet (RF); Brown/Green (RR) + BCM under driver dash, black 26 pin plug, pin 3 (RF); pin 4 (RR)
Headlight White/Violet - Headlight Switch, black 12 pin plug, pin 1
Headlight 2 White/Violet (alternate location) - BCM under driver dash, white 26 pin plug, pin 16
AutoLights Green/Brown - (Off) Headlight Switch, black 12 pin plug, pin 3
AutoLights 2 Green/Brown (alternate location) - (Off) BCM under driver dash, white 26 pin plug, pin 11
Reverse Light Blue/Brown + BCM under driver dash, brown 26 pin plug, pin 26
Left Front Door Trigger Gray - Driver Door Latch, green 10 pin plug, pin 1
Right Front Door Trigger Gray - Passenger Door Latch, green 10 pin plug, pin 5
Left Rear Door Trigger Gray - Left Rear Window Switch, black 8 pin plug, pin 2
Right Rear Door Trigger Gray - Right Rear Window Switch, black 8 pin plug, pin 2
Dome Light Gray + BCM under driver dash, gray 26 pin plug, pin 1
Trunk/Hatch Pin Violet/Gray (w/o power liftgate) - BCM under driver dash, pink 27 pin plug, pin 5
TrunkHatch Pin2 Blue/Black (with power liftgate) - Liftgate Control Module in liftgate, black 16 pin plug, pin 5
Rear Glass Pin (same as trunk/hatch pin)
Hood Pin Brown/Green - BCM under driver dash, black 26 pin plug, pin 24
Power Liftgate Gray/Black - Dash Junction Block left of brake pedal, blue 50 pin plug, pin 38
Trunk/Hatch Release Yellow/Blue (hatch); Gray/Green (glass) (rear handle switch) - BCM under driver dash, gray 26 pin plug, pin 14 (hatch); pink 27 pin plug, pin 15 (glass)
Trunk Release Motor Green/Brown (hatch); Gray/Yellow (glass) + BCM under driver dash, brown 26 pin plug, pin 11 (hatch); black 26 pin plug, pin 8 (glass)
Fuel Door Release (locks/unlocks with driver door)
Tachometer Yellow/Violet (camshaft position sensor) AC ECM on driver side of engine, black/gray 73 pin plug, pin 33 (non HD); black 73 pin plug, pin 60 (HD)
Fuel Pump Violet/Green (non HD); Gray and Gray (HD) + Underhood Fuse Box, white 58 pin plug, pin J5 (non HD); pins D2 and L7 (HD)
Rear Defroster Brown/Violet + Latched Passenger Kick, gray 20 pin plug, pin 13
Mirror Defroster (same as rear defroster)
Left Front Heated Seat (LIN)
Right Front Heated Seat (LIN)
Speed Sense Green/Gray AC Dash Junction Block left of brake pedal, gray 50 pin plug, pin 47
Brake Wire Violet/White + BCM under driver dash, black 26 pin plug, pin 11
Parking Brake Blue/Violet (w/o EPB) - BCM under driver dash, white 26 pin plug, pin 10
Horn Trigger Green/White - BCM under driver dash, green 25 pin plug, pin 18
Horn Trigger 2 Brown/White (alternate location) - BCM under driver dash, brown 26 pin plug, pin 19
Wipers Gray + BCM under driver dash, black 26 pin plug, pin 16
Left Front Window (Up/Down) (motor is part of module)
Right Front Window (Up/Down) (motor is part of module)
Left Rear Window (Up/Down) Blue/Violet - Yellow/Blue A Left Rear Window Switch, black 8 pin plug, pins 6 - 7
Right Rear Window (Up/Down) Blue/Gray - Green/Black A Right Rear Window Switch, black 8 pin plug, pins 6 - 7
Sun Roof (Open/Close) Green/White and Brown/Blue (open) (functions with ignition on only) Both - Sunroof Switch, black 8 pin plug, pins 6, 1
Sun Roof (Limit/Close) Blue/White and Brown/Blue (close) (functions with ignition on only) Both - Sunroof Switch, black 8 pin plug, pins 4, 1
Memory Seat 1 White - 630 Ohms Driver Kick, door harness, gray 41 pin plug, pin 8
Memory Seat 2 (same as memory seat 1) - 2000 Ohms
Radio 12V Red/Violet + Radio, green 16 pin plug, pin 8
Radio Ground Black - Radio, green 16 pin plug, pin 16
Radio Ignition Violet/Yellow (retained accessory) + Dash Junction Block left of brake pedal, gray 50 pin plug, pin 50
Factory Amp Turn-on (MOST Serial Data)
Left Front Speaker (+/-) Blue - Brown/Blue +,- Radio, green 16 pin plug, pins 1 - 9
Right Front Speaker (+/-) Yellow - Yellow/Black +,- Radio, green 16 pin plug, pins 2 - 10
Left Rear Speaker (+/-) Green - Green/Black +,- Radio, green 16 pin plug, pins 3 - 11
Right Rear Speaker (+/-) White - Blue/Black +,- Radio, green 16 pin plug, pins 4 - 12
Left Front Speaker - With Amp Blue - Brown/Blue +,- Amplifier in left rear quarter panel, black 8 pin plug, pins 3 - 7
Right Front Speaker - With Amp Yellow - Yellow/Black +,- Amplifier in left rear quarter panel, black 8 pin plug, pins 2 - 6
Left Front Tweeter - With Amp Yellow/Blue - Yellow/Gray +,- Amplifier in left rear quarter panel, black 16 pin plug, pins 5 - 13
Right Front Tweeter - With Amp Brown/Green - Violet/Brown +,- Amplifier in left rear quarter panel, black 16 pin plug, pins 4 - 12
Left Rear Speaker - With Amp Green - Green/Black +,- Amplifier in left rear quarter panel, black 16 pin plug, pins 7 - 15
Right Rear Speaker - With Amp White - Blue/Black +,- Amplifier in left rear quarter panel, black 16 pin plug, pins 6 - 14
Left Rear Surround - With Amp Yellow/Brown - White/Black +,- Amplifier in left rear quarter panel, black 16 pin plug, pins 3 - 11
Right Rear Surround - With Amp (parallel with left rear surround)
Center Channel - With Amp Yellow/White - Blue/Yellow +,- Amplifier in left rear quarter panel, black 16 pin plug, pins 10 - 2
Subwoofer - With Amp Blue/Gray - Gray/Black +,- Amplifier in left rear quarter panel, black 8 pin plug, pins 1 - 5
Aux. Audio Input Left (+/-) Gray - Violet +,- Radio, gray 20 pin plug, pins 9 - 8
Aux. Audio Input Right (+/-) Green - Violet +,- Radio, gray 20 pin plug, pins 10 - 8
Rearview Camera Video Gray/Yellow - White/Blue +,- Radio, gray 20 pin plug, pins 5 - 4 --or-- HMI Control Module behind glove box, gray 12 pin plug, pins 5 - 6
RSE Video (+/-) (coaxial cable)
RSE Audio Left (+/-) Green/White - Blue/Violet (headphone audio) +,- Media Disc Player, gray 20 pin plug, pins 1 - 3
RSE Audio Right (+/-) Brown/Gray - Blue/Violet (headphone audio) +,- Media Disc Player, gray 20 pin plug, pins 2 - 3
33 years as a installer now just a retired old guy. Favorite thing to install/topic are remote starts/car alarms. Stop using test lights!!!