Rb25 lower harness question

Discuss the RB20, RB25 and RB26 series engines.
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lilskyline240
Posts: 1887
Joined: Fri Oct 14, 2005 9:55 am
Car: 90 240sx w/ rb30det

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My harness is already spliced for my s13 chassis and i just got my motor in today. After connecting every plug up im left with 3 extras on the lower harness. Im guessing these arent used?



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Shocker
Posts: 2082
Joined: Sun Aug 01, 2004 2:40 pm
Car: 89 240sxHB rb26/30

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yeah pretty sure I've got the same ones hanging.... Then again, I have NOTHING connected to the trans lol. Just the alt, and starter.

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lilskyline240
Posts: 1887
Joined: Fri Oct 14, 2005 9:55 am
Car: 90 240sx w/ rb30det

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i figured they dont go to anything since im using the RB lower harness. Those plugs prolly plug into the skyling chassis somewhere.

If anyone knows what they Were for that would be cool to know.

So can i just cut those plugs off?

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Shocker
Posts: 2082
Joined: Sun Aug 01, 2004 2:40 pm
Car: 89 240sxHB rb26/30

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lilskyline240 wrote:i figured they dont go to anything since im using the RB lower harness. Those plugs prolly plug into the skyling chassis somewhere.

If anyone knows what they Were for that would be cool to know.

So can i just cut those plugs off?
I did lol, but thats me, I'm also on a standalone...

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lilskyline240
Posts: 1887
Joined: Fri Oct 14, 2005 9:55 am
Car: 90 240sx w/ rb30det

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i prolly shoulda just used the KA lower harness. o well. Hopefully my guages and crap all work

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

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meh thats whats driving me crazy only 2 plugs worked for me and its from a s14, thats the alt and starter, i can score a trans harness, but like 3 plugs are just chillin ans fsm sucks ***, liek my lower harness does not intergrate with ym main harness at ALL

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driftnslide1
Posts: 203
Joined: Tue Jan 16, 2007 5:32 pm
Car: 92' 240sx coupe/ 87' toyota supra turbo

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thats for the plus on the transmission. if you dont use them nother should happen. ziptie em up

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lilskyline240
Posts: 1887
Joined: Fri Oct 14, 2005 9:55 am
Car: 90 240sx w/ rb30det

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and i also have an extra plug inside the car right near the ecu on the narness. its a small 4 prong plug. Im guessing for something in the skyline dash


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