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Old 07-17-2019, 09:54 AM   #1
gixxerbob
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Join Date: Nov 2007
Location: ny
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gixxerbob is a well-known jackass
almost done: rb26 to s14 wiring help

What's up zilvians? I have an r33 rb26dett and a 1995 s14 that I have been merging the two harness's on.
Once I get the car running I will post up the entire conversion pinout, but I don't want to post any possibly bad information just yet. So far I have it all written down in an excel file as far as the engine harness goes.... the lower harness is actually easier to do than make a write-up about it.

These are the wires I have left over after what I believe is a completed harness.

RB ECU pin number:
9 a/c relay
25 wastegate /boost solenoid valve
46 a/c switch
47 check (Diag Activate)
104 fuel pump control module 1
106 fuel pump control module 2

F3 pin numbers
25 cooling fan high
41 cooling fan low
44 idle up
45 triple pressure
46 ac request signal

For the a/c I jumped f3 pin #16 with f3 pin #43 at the f3 plug. Is this all I need for a/c? Some RB threads say I need to include ecu pin #46 into the jumper.
Are any of the remaining wires above useful or required for anything? Do the cooling fans produce a signal, or only receive it from the ecu?
Can anyone confirm F3 pin #10 and #18 are 12v switched or 12v fuel signal?

Once I get all this cleared up I should be able to start her up and post the full wiring harness conversion.

If you want some pics message me on Instagram @gixxer_bob
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