5 Speed to AW4 wiring harness - Jeep Wrangler Forum Jan 04, 2019Nice job, are you still making the wiring harness to put a AW4 trans into a Jeep TJ with a NV3550 5-speed trans? Considering the conversion and this would make the swap a lot easier. Thanks. The 32RH would be easier yet and have no issues getting it working properly like happens with an auto with an Overdrive. The 32RH is a great automatic with AW4 TCU Wiring Diagram - JeepForum Mar 01, 2018Question: Does the wiring from the aw4 wire into the mpfi computer at all or is it basically 12v and grounds. Thanks The tcu needs a couple of inputs from the 4.0 engine harness.Author: Smsullivan11AW4 wiring diagram - JeepForumDec 24, 2010need wiring diagram for aw4 swap - JeepForumFeb 20, 2010See more results Wiring Harness & PCM Programming Services for the GM Wiring Harness & PCM Programming Services for the GM Generation III+ Engines. One of the most significant things an installer can do to speed the conversion process along and keep the headaches at bay is to have their factory GM harness simplified and modified. AW4 wiring issues - SWAP - MJ Tech: Modification and Jul 19, 2012The 93-94 TCU should plug into the new Renix AW4 harness; I think the TCU connectors are the same through 1994. The white square connector off the AW4 goes to the three tranny solenoids and the speed sensor and are controlled by the TCU. The speed sensor also provides an input to the ECU. AW4 wiring issues - SWAP Theme .