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You got the three pin connector in, thats the real important one. The other ones have to do with air conditioning, speedometer input, and something else I forget. Not all are connected in every model based on what options the car had and where it was sold.
Thanks for the replies. Yeah the wires that are hanging are the ones I'm referring to. The blue white wire, which on board computer are you referring to? Are there specifics on which wire goes to which component?
Blue/white wire - connects ECM (on board computer = Motronics Control Unit) to AC controls so that the idle speed is bumped up when AC is on. See page 1360-6 (pin 41) in http://wedophones.com/Manuals/BMW/19...g%20Manual.pdf. I assume you have an early 325i harness.
Can't tell if the other 2 wires come out of the ECM harness or not and what color they are. A little more description would be helpful.
I have a 87 325is harness in my car and just have the bpue /white connectors connected. The other 2 are just dangling. I've been driving my car over a year like that since I've done the e to I swap.
Awesome thanks. I'm going to hook up the blue/white wire and leave the other two free. Looking at the wiring diagram it looks like you've got it correct as it seems like they aren't required for the 325e.
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