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View Full Version : EU SR20 to RB25 Swap wiring question


Rezlo
08-17-2006, 12:50 PM
Hey guys, I own a RHD euro S14b which came stock with a SR20DET, of which i built a few times then desided RB25 series 1 would be far more fun, but here is my problem, I can find LOADS of info on KA to RB and KA to SR swaps but nothing on SR to RB,

Ive worked most of it out, just a few simple questions maybe one of you genious guys can help me with,

First off:
http://www.rezlo.com/Pages/Toys/Silvia/rb/SR%20air%20filter%20side.JPG
What are the 2 plugs in my fatory harness where the air box used to be, one is a 4 pin, one is a 2 pin with pretty beefy wires, im guessing one had somthing to do with the canister thingi which isnt there anymore, or the height adjustable head lights, but i dont know so i would prefer to ask if anyone here might know?

Second:
http://www.rezlo.com/Pages/Toys/Silvia/rb/RB%20air%20filter%20side.JPG
2 plugs on the RB wiring harness that land up near the air box, one 2 pin, one 6 pin, im guessing the 2 pin was for the AC which is now gone??? but im clueless to the 6 pin? can anyone help? there is also a little one wired plug kinda neer the turbo in a round socket i cant work out.

Last but not least:
http://www.rezlo.com/Pages/Toys/Silvia/rb/Transwires.JPG
Transmission wiring on the lower harness, Aparently all you KA guys need to do is extend the VSS, well on mine non of the plugs are right, its pretty obvious which plugs go where as the VVS is way to short, and the neutral and reverse are different color plugs, but the wiring colors on the VVS and the one other one dont match, are they grounded switches, or can the wires be either way round into the plug?

When doing a KA to SR swap do you guys have to repin the plug on the lower harness to the PDC? if not then atleast i know thats right! if not can somone tell me where i can find the pin out change?

I got the whole M63 thing, but does anyone know where i can find the M63 pin out for a stock euro SR20 S14b? do you guys need to repin the M63 when you go KA to SR?

Lucky my car is RHD so the wiring reaches just fine to the stock ECU location, dont usualy like asking so many questions but after making the custom engine mounts, custom cross member changes, custom drive shaft, custom trans mount ectr I realised that im not to bad with fabrication, its the wiring that scares me,

Any help is greatly appreciated!!!

Thanks guys,

Rezlo
08-18-2006, 11:52 AM
Come on, somone must know? i tried seaching but it turned nothing up :(

Nismo240SX
08-18-2006, 03:55 PM
email those pics at [email protected]