Rb25det S1 Apexi P-FC ------> Rb25 S2 engine and harness??

Discuss the RB20, RB25 and RB26 series engines.
Beanstalk
Posts: 219
Joined: Sun Nov 16, 2008 11:10 pm
Car: 89 240sx & 95 240sx

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Ok I have a pfc from a series 1 rb25det and I ordered a new rb25 motorset from Osaka jdm (MISTAKE). But we live and learn... Anyway they sent me a S2 Rb25det with harness and the coil packs ? So my ? is Can I use the power fc with my s2 engine and harness?? I just dont want to fry my pfc?? So any help would be great.

P.s. I read a few people said that an s1 pfc is identical and same part# as the s2 pfc... Can anyone confirm??


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Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

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plug it in and call it a day.

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StricNyne
Posts: 3725
Joined: Thu Oct 30, 2003 1:11 pm

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make sure harness is grounded form ecu pin though ! carlh did my harness and it was done on my old harness in my s13 it wasnt grounded and i couldnt find out why it wouldnt power up

Beanstalk
Posts: 219
Joined: Sun Nov 16, 2008 11:10 pm
Car: 89 240sx & 95 240sx

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Carl H wrote:plug it in and call it a day.
Are you being sarcastic??? I have spent 8k in the last week and cant afford another grand. I called an Apexi dealer and they said the Pfc works for both S1&S2 ? I just dont know how but we will find out soon enough.....

...... Full build thread comming soon......... Goodbye Sr20det Hello RB

Cjmartz2k
Posts: 1845
Joined: Sat May 19, 2007 1:39 pm
Car: Hunting for a '89 GTR now
Location: Okinawa, Japan

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He's saying the pin out on the ECU is the same. It'll plug in and work the same. S1 and S2 ecu's are interchangable. SAME SAME. Plug it in and go.


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