RB gurus Need Your help greatly

カラスVisionLabo

カラスVisionLabo

** カラスVISION **
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Got a rb20 eccs ( red top ) I need the ecu wiring diagram, been searching but my ecu has the 4 plug pattern like the NICS. can anyone help???

ECU INFO: HR31 RB20DET MT FR 23710- MEC-R42 ?? 27C128 27C128
I know its rare to find the only thing i can do is keep my fingers crossed.

FOUND THE DIAGRAM FOR PEOPLE WHO NEED IT HERE IT IS.......
Pinouts_R31-RB20and30.gif
 
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i called but no answer..... can some one help me out with figuring out what to wire to the fuel pump relay....

is the fuel pump relay output from the ecu positive or negative?
 
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Umm I didn't do the wiring myself.
But hit up NICO there's a Guy CARLH that does the wiring.
You can ask him, plus in the FAQ section there's write ups with pics etc.
Hope that helps.
 
there are only write ups on silver top rb20 i havent come across any for the redtop r31 rb20 the difference lies in the ecu plugs ( plural ) and wiring so they really dont help much
 
ofc dangle your the fucking shit, the second web site told all i needed to read. i already had the diagram but it reassuring that what i spent all day doing was correct.

" It is close to impossible to find a wiring diagram in english for a red-top rb20det as they only came in japanese import vehicles. The Rb20det i bought is a red-top and after spending days on the internet searching and posting on every forum i could all i came up with were dead ends.

i am told that there are a few english wiring diagrams in existance, i know of a few guys in the states that have them but they wil not share. Some charge an exorbinent price for a copy and some just wont share at all.

My search was not entirely fruitless. i came across this ECU pinout map which was extremely helpfull, i managed to set up and label my entire engine loom from this diagram. So you can too.

Take it from me. dont waste any time searching for a wiring diagram, do it all from this."
 
not yet lack of money time and not knowing exactly what to do.... but once i make a switch panel i should be getting back on the ball
 
The one that is marked"12 volts possible" is not used on my RB20 (Silver top)
I dunno what it is though.
I'm only guessing stock Boost solenoid plugs?????? (since its on the same length as the MAF)
 
holy hell is that the only thing on the harness? there isn't more? you're going to have LOTS AND LOTS of fun.

why not just convert to the RB20DET Silver top wiring? just a question.
 
well the rest of the harness is plugged like the injectors and shit, but the harness pictured should be going somewhere in the relay box area for like fuel pump and crap.
 
call him and send him pictures he is pretty good about stuff like this pm me if u dont have his number
 
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