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2018 Chevrolet Suburban LT, Stereo & Remote Start Wiring


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jeremey1001 
Member - Posts: 3
Member spacespace
Joined: September 21, 2021
Location: Florida, United States
Posted: September 21, 2021 at 11:27 AM / IP Logged Link to Post Post Reply Quote jeremey1001
I have one I'm working on and my avaliable information is limited. Anyone have the remote start and radio wiring info? It currently has a Bose 9 speaker system.
mgoetz74 
Silver - Posts: 424
Silver spaceThis member consistently provides reliable informationspace
Joined: February 15, 2012
Location: United States
Posted: September 23, 2021 at 4:03 PM / IP Logged Link to Post Post Reply Quote mgoetz74
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!!!
jeremey1001 
Member - Posts: 3
Member spacespace
Joined: September 21, 2021
Location: Florida, United States
Posted: September 26, 2021 at 10:02 AM / IP Logged Link to Post Post Reply Quote jeremey1001
Thank you. I appreciate it.

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