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      07-15-2018, 11:41 AM   #1
Lazardm3
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Drives: 2009 Interlagos Blue M3
Join Date: Oct 2013
Location: Toronto

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Help with EPS Technic Harness

Hey guys.

I got the Technic harness but need help understanding what the wires and connections are and hoping someone can help confirm my thoughts. There were no instructions or diagram of what the plugs are for.

I think it goes like this...

1. Plug into Lc2i (high level inputs)
2. Plug in to pt 6 in harness
3. & 4. - I assume this can be used to connect to an amp if I want to separately amplify the underseat woofers. I am guessing I unplug 5, and put 3 into that plug. 4. goes to amp speaker output (of aftermarket amp)
5. If just adding sub in trunk I leave this alone?
6. Accepts connection 2

Sorry guys if this is covered somewhere. I've spent hours searching through 10 year old posts. I haven't come across anything with specific instructions on this or pics of the harness itself.

I think I understand it but just wanted to confirm with members who've already done this. Sorry it's probably child's play to most, but I'm not very confident with wiring/electrical and would appreciate the help.

Thanks
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