Need help identifying rb25det wires

[JoshGentry]

Hey guys, I'm doing an rb25det s13 swap and i was prepping all the engine and tranny harness wiring and i needed to know what these wires were and if they are even needed?

[smoked240]

Well the first picture looks like part of the lower harness from the rb. As long as the connectors are there your good. When I did the swap on my s13 I reused the Ka lower harness and some wire mostly from the rb one.

I have no clue about the second one. Mine didn't have that black box but mine was cut there and I left it and have no problems, besides when I last drove it my windshield wipers randomly start working. But it never happened the 2 months I drove it until I last drove it. But I believe that mine is an unrelated issue.

For the main harness I sent mine off to jeff at jordan innovations and he did a great job.

[Sileighty_85]

Youp reuse KA lower harness

2nd pic is ECU plug Wiper AMP and ECSS relay

All needed

EDIT for the S13 the Wiper AMP is not needed