So I am putting a m20b25 in my 69 2002. I have the motor out of my 89 325is that I am fully rebuilding and turboing, but I pulled a entire car harness out of a 85 325e. Im trying to figure out what the difference is between the two harnesses. I have the motor harness from the 89 for the motor just want to see if the early model car harness will work with the late motor harness? Ive heard it will if I connect the wire in the glove box area to something. Any input is appreciated. Yes I realize finding a late model car harness is easier but I havent come across one yet
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bump anyone have a idea on this? -
etas dont have a cps iin the front rather they have it on the tranny. etas also have that cold start on the intake mani when 325i dont. etas have a idle sensor underneath the dash by the dme its a idle sensor. thats all i can think of right now.Comment
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If you look up an e to i swap that should give you what you need.90 325i DD/Track
03 Durango 5.9
Originally posted by e30mpgComment
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This has everything you need. The wires in the glovebox comment is because you have to do this:
Your c104 plug has 3 wires
Pin #1 Black Wire-Engine speed
Pin #2 green wire-OBC Fuel cut function
Pin #3 Yellow/White wire-Fuel rate
On the 89 harness you'll need to splice or connect the following wires to the ones on the c104.
Pin # 3 from c104 to Pin 8 on the c101 of your 89(Yellow/White or White/Black wire)
Pin #2 from the c104, run a wire from directly to the + terminal on the coil(Green wire)
Pin #1 from the c104 to pin 9 on the c101(black wire)
I made an adapter to go from square (85' harness) to round (89' harness) with two female ends one square and one round, then spliced them together by following the picture on the first page of the thread i linked above. Just take your time, its nothing harder than finding corresponding wires and connecting them.
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awesome thanks for the info!Comment
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