Question/Help: M52 Auto wiring harness DYI

[djafactor]

I've been working on my wiring harness for my M52B28 OBD2 swap the last few days. The motor will be going into my M40 e30 Touring that is a '94 build.

The main X20 to C101 connection conversion has gone well from the info I've found through the web/forums. However I have some questions as my harness/engine was from an Automatic e36 (6/96 build). The harness has 3 round connections:

1. The main connector plug that i've switched to C101

1. Automatic Transmission connector

1. ASC? connector - i'm not 100% sure what this connector is for as most of the dyi on the web for autos show 2 connectors only

My question is regarding removing the wiring to the 2 extra connectors. I cut off the Automatic computer connector and traced all wires back to these 2 connectors and removed them. However I was left with a few extra wires:

• 5 wires from the smaller connector that trace back to the DME
• 4 wires from the larger connector (auto) that trace back to the DME
• 2 wires, from the auto computer to the DME. one brown, one double black & yellow twist.

The excess wires from the two connectors to the DME i've just cut, shrink tubed & tucked away in the main wiring casing. Is that ok to do? Can i do the same for the 2 other wires from the DME?

I searched quite a bit but have been unable to find anything

much appreciated

Happy Holidays!

[pazi88]

Yes you can cut away all those extra wires. Those are not needed when you don't have automatic transmission anymore and asc. There is only 3 wires needed to run the engine with ecu thst has ews deleted :D

[djafactor]

Thanks pazi88. I actually followed your YouTube vid to do the job. It was super helpful

Cheers


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