Splicing the Wires
I used solder connections insulated with shrink tubing to splice the wires into the PCU harness. The photo below shows my high tech soldering station.
Below is the PCU harness with the loom removed and all of the splices in place. While making the connections I selected the proper wire by color. To verify that I had the correct wire I inserted a sharp probe through the wire insulation and checked the resistance at the the appropriate pin on the PCU connector. This proved helpful in two instances. One was the start/run wire color at the PCU was incorrect on the wiring diagram. The other was that there are two wires in the PCU harness that are the same color. As I made each connection I marked that wire on the diagram with a highlighter to keep track of where I was in the process.
Once I had made all of the connections, I replaced the PCU loom and added loom material to the cables that run down to the transmission. I then tied it all in place with plastic tie wraps. The harness going to the right goes to the PCU. The one going to the left goes to the transmission.
Everything is now ready. It's time to remove the manual transmission and install the automatic transmission.
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