Re pinning sr20 wiring harness 62->J4 - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

silnv · 09-20-2018, 09:45 AM

I need a little bit of clarification on repinning a wiring harness for the J4 ecu.

I have pulled the ecu pinouts from the WS website, and marked the ones needed to be relocated. Question is, is the ecu plug the only plug that needs rewired?

Thanks for the help!

Kingtal0n · 09-20-2018, 04:26 PM

Just google J4 to 62 pinout

I made it years ago:

silnv · 09-21-2018, 08:29 AM

Thanks! I’ll look into this. Looks like you were going the opposite direction as I am though.

Was the ecu plug the only plug that needed to be repinned?

LoSt180 · 09-22-2018, 06:40 PM

Diagram looks like it will work going either way. The changes are in red, just have to read it. If you only thing you're changing is the ecu, then that should be the only wires you need to move around.

09-20-2018, 09:45 AM	#1
silnv Zilvia FREAK! Join Date: Dec 2002 Location: Marietta, OH Age: 39 Posts: 1,093 Trader Rating: (39) Feedback Score: 39 reviews	Re pinning sr20 wiring harness 62->J4 I need a little bit of clarification on repinning a wiring harness for the J4 ecu. I have pulled the ecu pinouts from the WS website, and marked the ones needed to be relocated. Question is, is the ecu plug the only plug that needs rewired? Thanks for the help! __________________ 1997 Nissan 240sx 1991 Nissan 240sx hatch Last edited by silnv; 09-20-2018 at 10:43 PM..

09-21-2018, 08:29 AM	#3
silnv Zilvia FREAK! Join Date: Dec 2002 Location: Marietta, OH Age: 39 Posts: 1,093 Trader Rating: (39) Feedback Score: 39 reviews	Thanks! I’ll look into this. Looks like you were going the opposite direction as I am though. Was the ecu plug the only plug that needed to be repinned? __________________ 1997 Nissan 240sx 1991 Nissan 240sx hatch

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09-20-2018, 04:26 PM	#2
Kingtal0n Post Whore! Join Date: Jul 2005 Location: South Florida Age: 38 Posts: 4,649 Trader Rating: (17) Feedback Score: 17 reviews	Just google J4 to 62 pinout I made it years ago:

09-22-2018, 06:40 PM	#4
LoSt180 Zilvia Addict Join Date: May 2013 Location: MD Posts: 966 Trader Rating: (18) Feedback Score: 18 reviews	Diagram looks like it will work going either way. The changes are in red, just have to read it. If you only thing you're changing is the ecu, then that should be the only wires you need to move around.