2010 Subaru Forester - North America
Item Wire Color Polarity Wire Location
12 Volts white (50A) + ignition switch, white 6 pin plug, pin 3
Ground (chassis ground)
Starter white/black + ignition switch, white 6 pin plug, pin 2
Second Starter white/red + ignition switch, white 6 pin plug, pin 6
Ignition green + ignition switch, white 6 pin plug, pin 1
Accessory blue + ignition switch, white 6 pin plug, pin 4
Second Accessory yellow + ignition switch, white 6 pin plug, pin 5
Keysense black/white + BIU right of steering column, white 30 pin plug, pin 2
CAN Bus High red (high-speed CAN) data BIU right of steering column, white 26 pin plug, pin 3
CAN Bus Low blue (high-speed CAN) data BIU right of steering column, white 26 pin plug, pin 9
CAN Bus High 2 pink (low-speed CAN) data BIU right of steering column, white 35 pin plug, pin 1
CAN Bus Low 2 blue (low-speed CAN) data BIU right of steering column, white 35 pin plug, pin 9
IMMO Data white/blue (1); black/red (2) data
BIU right of steering column, white 26 pin plug, pins 4, 15
Security Light brown/red - BIU right of steering column, white 35 pin plug, pin 10
Keyless Data gray/red data BIU right of steering column, white 35 pin plug, pin 24
Power Lock lt. green - BIU right of steering column, white 35 pin plug, pin 15
Power Unlock blue/black - BIU right of steering column, white 35 pin plug, pin 29
Lock Motor lt. green/yellow 5 wire BIU right of steering column, white 35 pin plug, pin 7
Driver Unlock Motor yellow/black 5 wire BIU right of steering column, white 35 pin plug, pin 23
Passenger Unlock Motor
red/green 5 wire
BIU right of steering column, white 35 pin plug, pin 8
Factory Alarm Arm arms on lock with driver door open
Factory Alarm Disarm see disarm no unlock
Disarm No Unlock transponder, ignition, and keysense
Parking Lights pink + dash fuse box, white 20 pin plug, pin 12
Parking Lights - black/white - BIU right of steering column, white 26 pin plug, pin 11
Hazards green - BIU right of steering column, white 28 pin plug, pin 22
Turn Signal (Left) lt. green + dash fuse box, white 20 pin plug, pin 20
Turn Signal (Right) blue/black + dash fuse box, white 20 pin plug, pin 3
Headlight blue/black - BIU right of steering column, white 28 pin plug, pin 8
Reverse Light brown/yellow + passenger kick, harness to rear
Left Front Door Trigger orange/white - BIU right of steering column, white 35 pin plug, pin 19
Right Front Door Trigger blue/orange - BIU right of strng column, wht 35 pin plug, pin 32
Left Rear Door Trigger yellow/red - BIU right of strng column, wht 35 pin plug, pin 20
Right Rear Door Trigger white/red - BIU right of strng column, wht 35 pin plug, pin 6
Dome Light blk/rd (dome/puddle lght), blk/blu (spot - BIU right of steering column, white 30 pin plug, pins 5, map lght) 4
Trunk/Hatch Pin white - BIU right of steering column, white 35 pin plug, pin 33
Hood Pin yellow/black - hood switch, white 2 pin plug, pin 1
Trunk/Hatch Release green/red (rear handle switch) - BIU right of steering column, white 28 pin plug, pin 24
Trunk Release Motor green/orange 5 wire BIU right of steering column, white 35 pin plug, pin 22
Tachometer gray/red ac
instrument cluster, white 40 pin plug, pin 32
Note - Tachometer: Also found at the Engine Control Module below glove box, 35 pin plug (C), pin 22.
Engine Control Module below glove box, 35 pin plug
Neutral Safety green/black (M/T) - (C), pin 31
Clutch Pedal blue/white + clutch switch, white 2 pin plug, pin 2
Fuel Pump red/black + passenger kick, harness to rear
Rear Defroster brown/blue - BIU right of steering column, white 35 pin plug, pin 16
Mirror Defroster same as rear defroster
Speed Sense pink/green ac instrument cluster, white 40 pin plug, pin 31
Brake Wire lt. green + BIU right of steering column, white 26 pin plug, pin 2
Parking Brake gray - BIU right of steering column, white 28 pin plug, pin 15
Horn Trigger red/white - BIU right of steering column, white 30 pin plug, pin 29
Wipers red/blue (L), black/blue (H), yellow/black + wiper switch, white 18 pin plug, pins 7, 8, and 17 (ignit)
Left Front Window blue/red - blue/green A power window main switch, white 16 pin plug, pins 16 (Up/Down) and 13
Right Front Window (Up/Down)
red to brown/red - red/yellow A driver kick, white 28 pin plug, pins 5 and 6
Left Rear Window (Up/Down)
green/red - black/yellow A driver kick, white 28 pin plug, pins 9 and 10
Right Rear Window (Up/Down)
blue - blue/yellow to red/black A driver kick, white 28 pin plug, pins 7 and 8
Sun Roof (Open/Close) black/yellow - white (function with ignit on - sunroof switch, white 5 pin plug, pins 1 and 4 only)
Radio 12V blue/red + radio, white 20 pin plug, pin 20
Radio Ground black - radio, white 20 pin plug, pin 10
Radio Ignition yellow/red + radio, white 20 pin plug, pin 3
Radio Illumination violet (parking lights), black/white (dimmer) +,- radio, white 20 pin plug, pins 1 and 2
Power Antenna yellow/black + radio, white 20 pin plug, pin 9
Left Front Speaker (+/-) brown/white - brown +,- radio, white 20 pin plug, pins 7 and 8
Right Front Speaker (+/-) blue/yellow - blue/white +,- radio, white 20 pin plug, pins 17 and 18
Left Rear Speaker (+/-) red/yellow - white/black +,- radio, white 20 pin plug, pins 5 and 6
Right Rear Speaker (+/-) gray/red - gray +,- radio, white 20 pin plug, pins 15 and 16
Aux. Audio Input Left (+/-) white + radio, white 8 pin plug, pin 1
Aux. Audio Input Right (+/-) red + radio, white 8 pin plug, pin 2
What Fits?
Item
Size
Depth
Location
Headunit
double DIN
center of dash
Gary Sather