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Old 04-03-2008, 02:32 AM   #28
99 rs
Scooby Specialist
Member#: 100994
Join Date: Nov 2005
Chapter/Region: W. Canada
Location: Edmonton
2005 Acura NSX-T
2002 IS300 Wagon


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Thermometer. B21-10(RS) to SMJ-J1. Same idea as the last wire but with the thermometer. This is the MAIN REASON why people's temperature gauge doesn't work. This wire goes straight from the engine to the gauge cluster.

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Throttle Position sensor. B136-15(RS) to B9(WRX). This wire splits in two on the RS. One goes to the engine plugs, the other to the rear of the harness. Only splice the one that goes to the rear of the harness.


Transmission common Green/Black stripe wires. This junctions into many different things. Conveniently there are only two wires coming from the RS tranny cord and two wires coming from the WRX tranny cord. So I spliced them into each other and cut the RS ones away while splicing the WRX wires into the bulk harness. Note: if you’re not doing a tranny swap then you want need to do this.

If you're curious the tape says "common green", "speed sensor" and "reverse back up light"

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