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2018 Subaru WRX STI Wiring


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stiguy 
Member - Posts: 1
Member spacespace
Joined: December 27, 2022
Location: New Jersey, United States
Posted: December 27, 2022 at 8:48 PM / IP Logged Link to Post Post Reply Quote stiguy
Does anyone have the wiring diagram/spec sheet for a car alarm install on a 2018 Subaru WRX STI smart key push button start?
tonanzith 
Gold - Posts: 601
Gold spaceThis member consistently provides reliable informationspace
Joined: July 18, 2008
Location: Washington, United States
Posted: February 02, 2023 at 11:26 PM / IP Logged Link to Post Post Reply Quote tonanzith
Item     Wire Color     Polarity     Wire Location
12 Volts     Red (50A)     +     Dash Fuse Box, rear, brown or white 9 pin plug, pin 6
Ground     (chassis ground)          
Starter     Pink     +     Keyless Access Module right of BIU, white 18 pin plug, pin 7
Ignition     Violet     +     Keyless Access Module right of BIU, white 30 pin plug, pin 6
Second Ignition     Lt. Blue     +     Keyless Access Module right of BIU, white 18 pin plug, pin 9
Accessory     Blue     +     Keyless Access Module right of BIU, white 30 pin plug, pin 4
PTS 1     Black     -     Keyless Access Module right of BIU, white 30 pin plug, pin 30
PTS 2     Orange     -     Keyless Access Module right of BIU, white 30 pin plug, pin 28
CAN Bus High     Red (DIAG CAN)     Data     OBD-Data Link Connector, black 16 pin plug, pin 6
CAN Bus Low     Blue (DIAG CAN)     Data     OBD-Data Link Connector, black 16 pin plug, pin 14
CAN Bus High 2     White     Data     Keyless Access Module right of BIU, white 30 pin plug, pin 14
CAN Bus Low 2     Lt. Blue     Data     Keyless Access Module right of BIU, white 30 pin plug, pin 15
CAN Bus High 3     Red     Data     BIU behind dash fuse box, white 35 pin plug (B), pin 20
CAN Bus Low 3     Blue     Data     BIU behind dash fuse box, white 35 pin plug (B), pin 28
OBD 12 Volts     White (7.5A)     +     OBD-Data Link Connector, black 16 pin plug, pin 16
OBD Ground     Black     -     OBD-Data Link Connector, black 16 pin plug, pin 4
OBD Ignition     Green     +     OBD-Data Link Connector, black 16 pin plug, pin 8
OBD Connector     Black          Under Driver Dash, Behind Dash Fuse Box
IMMO Data     Green/Black     Data     ECM next to air cleaner assembly, bottom black 48 pin plug, pin 43
IMMO Data 2     Yellow (USA alternate)     Data     Keyless Access Module right of BIU, white 18 pin plug, pin 13
Security Light     Brown     -     BIU behind dash fuse box, white 31 pin plug (D), pin 26
Keyless Data     Red     Data     Keyless Access Module right of BIU, white 28 pin plug, pin 17
Power Lock     Lt. Green     -     BIU behind dash fuse box, white 35 pin plug (C), pin 9
Power Unlock     Blue     -     BIU behind dash fuse box, white 35 pin plug (C), pin 20
Power Lock2     Lt. Green/Black (alternate location)     -     Driver Kick, white 28 pin plug, pin 15
Power Unlock2     Blue/Black (alternate location)     -     Driver Kick, white 28 pin plug, pin 16
Lock Motor     Red/Green     Reverse     Driver Kick, white 28 pin plug, pin 17
Driver Unlock Motor     Lt. Green     Reverse     Driver Kick, white 28 pin plug, pin 18
Passenger Unlock Motor     Lt. Green     Reverse     Driver kick, white 20 pin plug, pin 11
Factory Alarm Arm     (arms on lock with driver door open)          
Factory Alarm Disarm     (proximity key and push button)          
Parking Lights     Black/White     +     Dash Fuse Box, white 20 pin plug, pin 12
Parking Lights -     Black/Blue     -     BIU behind dash fuse box, white 35 pin plug (B), pin 17
Parking Lights NEG 2     Black/Blue (alternate location)     -     Headlight Switch, white 20 pin plug, pin 18
Hazards     Green     -     BIU behind dash fuse box, white 31 pin plug (D), pin 18
Turn Signal (Left)     White/Red     +     Dash Fuse Box, white 20 pin plug, pin 20
Turn Signal (Right)     Gray     +     Dash Fuse Box, white 20 pin plug, pin 3
Headlight     Blue     -     BIU behind dash fuse box, white 35 pin plug (B), pin 34
AutoLights     Blue/Orange     Cut     BIU behind dash fuse box, white 35 pin plug (B), pin 16
Reverse Light     Brown or Yellow/Red     +     Passenger Kick, white 20 pin plug, pin 4
Reverse Light 2     Brown (alternate location)     +     Radio, white 28 pin plug, pin 2
Left Front Door Trigger     Blue     -     Driver Kick, white 20 pin plug, pin 15
Left Front Door Trigger 2     Blue (alternate location)     -     BIU behind dash fuse box, white 35 pin plug (C), pin 14
Right Front Door Trigger     Blue/Orange     -     BIU behind dash fuse box, white 35 pin plug (C), pin 13
Left Rear Door Trigger     Yellow/White     -     Driver Kick, white 20 pin plug, pin 16
Left Rear Door Trigger 2     Yellow/White (alternate location)     -     BIU behind dash fuse box, white 35 pin plug (C), pin 24
Right Rear Door Trigger     White/Red     -     BIU behind dash fuse box, white 35 pin plug (C), pin 25
Dome Light     Green/Yellow     -     BIU behind dash fuse box, white 35 pin plug (C), pin 4
Trunk/Hatch Pin     Yellow/Blue     -     BIU behind dash fuse box, white 35 pin plug (C), pin 33
Hood Pin     Yellow/Black (with remote start)     -     Remote Start Module Connector above brake pedal, white 8 pin plug, pin 5
Trunk/Hatch Release     Green/Red     -     BIU behind dash fuse box, white 35 pin plug (C), pin 10
Trunk-Hatch Release2     Green/Red (alternate location)     -     Trunk Lid Opener Switch, gray 4 pin plug, pin 2
Trunk Release Motor     Black     Reverse     BIU behind dash fuse box, white 31 pin plug (D), pin 7
Tachometer     Green     AC     Keyless Access Module right of BIU, white 18 pin plug, pin 17
Neutral Safety     Green/Black (M/T)     -     ECM next to air cleaner assembly, brown 48 pin plug, pin 33
Clutch Pedal     Gray     +     Keyless Access Module right of BIU, white 18 pin plug, pin 10
Clutch Pedal 2     Lt. Green (alternate location)     +     Clutch Switch, white 2 pin plug, pin 2
Fuel Pump     Red/Black     +     Passenger Kick, white 20 pin plug, pin 5
Rear Defroster     Violet     - Latched     BIU behind dash fuse box, white 34 pin plug (A), pin 26
Mirror Defroster     (same as rear defroster)          
Wiper Deicer     Blue     - Latched     BIU behind dash fuse box, white 31 pin plug (D), pin 9
Left Front Heated Seat     Red/Blue (LO); Lt. Green (HI)     Reverse     Seat Heater Switch, blue 4 pin plug, pin 4 (LO); pin 1 (HI) --or-- white 8 pin plug, pin 1 (LO); pin 4 (HI)
Right Front Heated Seat     Red/White (LO); White (HI)     Reverse     Seat Heater Switch, white 4 pin plug, pin 4 (LO); pin 1 (HI) --or-- white 8 pin plug, pin 3 (LO); pin 8 (HI)
Speed Sense     Pink     AC     Radio, white 28 pin plug, pin 17
Brake Wire     Lt. Green (CVT)     +     Keyless Access Module right of BIU, white 18 pin plug, pin 18
Brake Wire 2     Brown (M/T)     +     Dash Fuse Box, white 20 pin plug, pin 15
Parking Brake     Gray (w/o EPB); Yellow/Green (with EPB)     -     Driver Kick, white 20 pin plug, pin 14 (w/o EPB); pin 16 (with EPB)
Horn Trigger     Red     -     BIU behind dash fuse box, white 34 pin plug (A), pin 24
Horn Trigger 2     Red (alternate location)     -     Horn Switch, white 14 pin plug, pin 9
Wipers     Red/Blue (LO); Black/Blue (HI)     +     Wiper Switch, white 10 pin plug, pin 3 (LO); pin 4 (HI)
Wipers Protection     Green/Black (ignition)     Cut     Wiper Switch, white 10 pin plug, pin 2
Left Front Window (Up/Down)     Blue/Red - Blue/Green     A     Power Window Main Switch, white 3 pin plug, pins 3 - 1
Right Front Window (Up/Down)     Red/Black - Blue     A     Passenger Power Window Switch, white 12 pin plug, pins 3 - 2
Left Rear Window (Up/Down)     Green/Red - Black/Yellow     A     Driver Kick, white 28 pin plug, pins 4 - 10
Right Rear Window (Up/Down)     Blue - Blue/Yellow     A     Driver Kick, white 28 pin plug, pins 7 - 8
Sun Roof (Open/Close)     Blue - Red (function with ignition on only)     +     Sunroof Switch, white 5 pin plug, pins 1 - 4
Radio 12V     Blue/Red     +     Radio, white 10 pin plug, pin 4
Radio Ground     Black     -     Radio, white 10 pin plug, pin 7
Radio Ignition     Yellow     +     Radio, white 10 pin plug, pin 3
Radio Illumination     Violet (parking lights); Black/White (dimmer)     +,-     Radio, white 10 pin plug, pin 10 (parking lights); white 6 pin plug, pin 5 (dimmer)
Power Antenna     Yellow     +     Radio, white 10 pin plug, pin 8
Left Front Speaker (+/-)     White - Blue --or-- White - Black --or-- Green - Black     +,-     Radio, white 10 pin plug, pins 6 - 2
Right Front Speaker (+/-)     Green - Brown --or-- Red - Brown --or-- White - Red     +,-     Radio, white 10 pin plug, pins 5 - 1
Left Rear Speaker (+/-)     Red - White --or-- Pink - Blue     +,-     Radio, white 6 pin plug, pins 6 - 2
Right Rear Speaker (+/-)     Red - Gray     +,-     Radio, white 6 pin plug, pins 3 - 1
Left Front Speaker - With Amp     Blue/White - Green     +,-     Amplifier under rear deck, white 10 pin plug, pins 10 - 4
Right Front Speaker - With Amp     Blue - Pink     +,-     Amplifier under rear deck, white 10 pin plug, pins 3 - 9
Left Front Tweeter - With Amp     Black/Blue - White/Blue     +,-     Amplifier under rear deck, white 12 pin plug, pins 9 - 3
Right Front Tweeter - With Amp     White/Black - Yellow     +,-     Amplifier under rear deck, white 12 pin plug, pins 2 - 1
Left Rear Speaker - With Amp     Green/Yellow - Violet     +,-     Amplifier under rear deck, white 10 pin plug, pins 2 - 6
Right Rear Speaker - With Amp     Yellow - Lt. Green     +,-     Amplifier under rear deck, white 10 pin plug, pins 8 - 7
Subwoofer - With Amp     Black/Red - White/Red (coil 1); Brown - Green (coil 2)     +,-     Amplifier under rear deck, white 12 pin plug, pins 4 - 10 (coil 1); pins 5 - 12 (coil 2)
Aux. Audio Input Left (+/-)     Blue - (shield)     +,-     Radio, white 28 pin plug, pins 28 - 27
Aux. Audio Input Right (+/-)     Pink - (shield)     +,-     Radio, white 28 pin plug, pins 26 - 27
Rearview Camera Video     Red - (shield)     +,-     Radio, white 28 pin plug, pins 12 - 13 --or-- white 5 pin plug, pins 3 - 4
Gary Sather

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