S1 and S2 wiring

Discuss the RB20, RB25 and RB26 series engines.
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8gti9
Posts: 22
Joined: Fri Jan 30, 2009 7:21 pm
Car: '91 240sx rb25det, '94 Passat VR6 Wagon, '06 Sentra Spec-V

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trying to figure out what is the difference between the S1 and S2 wiring, especially going into a '91 s13.

did a lot of searches and hours on google and the only wiring i can come up with is for the S1.

thnxmike

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sepulchralx
Posts: 203
Joined: Tue Aug 02, 2005 8:19 pm
Car: 240sx

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8gti9 wrote:trying to figure out what is the difference between the S1 and S2 wiring, especially going into a '91 s13.

did a lot of searches and hours on google and the only wiring i can come up with is for the S1.

thnxmike
Series I wiring needs a power "on" supply (12v) to the grey thick wire at the injector harness plug. I've tapped it into the nearest black/red ign wire.
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8gti9
Posts: 22
Joined: Fri Jan 30, 2009 7:21 pm
Car: '91 240sx rb25det, '94 Passat VR6 Wagon, '06 Sentra Spec-V

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sepulchralx wrote:
Series I wiring needs a power "on" supply (12v) to the grey thick wire at the injector harness plug. I've tapped it into the nearest black/red ign wire.
is that the only difference between s1 and s2, wiring it into a s13?
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