rb25det into r32 wiring for dummies | Driftworks Forum May 22, 2012rb25det into r32 wiring for dummies. Thread in 'Project Cars and Builds Threads' started by D1SHUMAKA, Jan 4, 2012. iv been serching these forums for the last 4+hours looking for rb25det ecu wiring diagrams and pinouts & also r32 interior to ecu (rb20det) pinouts,iv purchased a r32 4door skyline with A R33 RB25DET IN IT AND IT WAS NOT RB20det into R31 skyline. - PerformanceForums Sep 26, 2004Im soon going to be fitting an RB20det silver top ECCS engine into an R31 manual skyline approx 88 model. From what Ive researched so far, the RB20 bolts straight in with original engine mounts, and the R31 manual box will bolt straight up to the block and should be strong enough to suit the RB20 with or with out a heavy clutch. With reasonable driving, no flat changes or clutch dumps Nissan - Nissan RB20 & RB25 & RB26 - Wiring Harness Get superior performance with Nissan aftermarket parts from Enjuku Racing. Shop tuner parts, Japanese performance parts & more. Join our Rewards Program & save!