Directwire
2003 BMW 3 Series - North America
Remote Start, Security, Keyless Entry, Accessories
Item Wire Color Polarity Wire Location
12 Volts RED / green and RED / blue + ignition harness
Starter BLACK/ blue + ignition harness
Ignition green + ignition harness
Second Ignition purple + ignition harness
Power Lock blue/red - 54 pin plug, pin 22 at general mod
Power Unlock WHITE/ black - 54 pin plug, pin 20 at general mod
Lock Motor white (any one of 5) 5wi 54 pin plug at general module
Driver Unlock Motor blue 5wi 54 pin plug, pin 35 at general mod
Passenger Unlock Motor (chassis ground)
Factory Alarm Arm arms with lock
Factory Alarm Disarm disarms with unlock
Parking Lights (-) see Tech Doc 1055
Left Front Door Trigger RED / blue + 54 pin plug, pin 18 at general mod
Dome Light comes on with unlock
Trunk/Hatch Pin WHITE/ brown - driver kick panel
Hood Pin PURPLE / green - 26 pin plug, pin 7 at general mod
Trunk/Hatch Release gray/green + 54 pin plug, pin 17 at general mod
Tachometer black ac diagnostic plug
Speed Sense YELLOW /GREEN ac instrument cluster, 26 pin plug, pin 19
Brake Wire BROWN / gray or BROWN / white (funct with ign on only) + brake pedal switch
Horn Trigger PURPLE / blue + horn relay
Left Front Window (Up/Down) see notes
Sun Roof (Open/Close) see notes
Notes:
1. Power Lock_The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
2. Power Unlock_The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left. On some models, unlock may require a double pulse.
3.Lock Motor_The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
4.Driver Unlock Motor_The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
5. Parking Lights (-)_Need to remove the light switch module from the dash and pop off the front cover. A ribbon cable which connects the switch to the module will be exposed. With the switch facing towards you, you need to interrupt the fourth wire from the left with a relay. When interrupted the parking lights will comes on.
6. Left Front Door Trigger_The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
7. Hood Pin_The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
8. Trunk/Hatch Release_The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
9. Tachometer_The diagnostic plug is on the passenger side of the engine compartment. If the vehicle does not have the diagnostic plug then the black wire can be found at the data link connector under the driver side dash.
10. Speed Sense_It has to be a single wire. If twisted pair, do not use, it is a CAN wire.
11. Horn Trigger_The horn relay is above the general module. It is the green relay to the right of an orange relay.
12. Left Front Window (Up/Down)_Extended triggers on the door lock wires will roll the windows up/down and open/close the sunroof. Use validity channels to control.
13. Sun Roof (Open/Close)_Extended triggers on the door lock wires will roll the windows up/down and open/close the sunroof. Use validity channels to control.