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Old 09-22-2012, 05:10 AM   #22
benzovs
Registered User
 
Join Date: Aug 2012
Location: Tucson
Posts: 138
My Ride: 2000 323i
Wink

E46 wiring diagram per Directwire

ITEM Wire Color Polarity Location
12v = red/green and red/blue + Ign Harness/Main Harness

Starter = Black/Blue + Ign Harness/ White module
high about driver kick panel

Ignition = Green + Ign Harness/Main Harness

Second Ignition = Purple + Ign Harness/Main Harness

Power lock = blue/red - 54 pin plug, pin 22 at gen mod

Power unlock = white/black - 54 pin plug, pin 20 at gen mod
requires dbl pulse.

Door Triggers = red/blue + 54 pin plug, pin 18 at gen mod

Trunk pin = white/brown - driver kick panel

Hood pin = purple/green - 26 pin plug, pin 7 at gen mod

Trunk release = gray/green + 54 pin plug pin 17 at gen mod

Tachometer = black ac diagnostic plug, passenger side engine compartment. If your vehicle does not have the diagnostic plug, then it will be at the OBD connector under the driver dash, black wire. pin 9

Brake wire = brown/white + brake pedal switch

Horn trigger = purple/blue + Horn relay, right next to fog
light relay.
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