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  1. #1

    Join Date
    Feb 2011
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    R&D Powershot wiring / installation

    Does anyone have the wiring/installation diagram or instructions for a Powershot to an SHO.

    I have the MAP sensor figured but I need to know if the injectors are wired sequentially (specific plug per injector) or not.

    I picked this up 2nd hand and have the tuning instructions but not the installation instructions.

    Thanks

    Ben


  2. #2
    KamikazeGPR's Avatar
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    The wires don't have a specific cylinder they have to be connected to. But, when you center the PS harness on the engine it will become clear as to which cylinder they connect to due to length of wires. Start with farthest to right. Unplug the female connector from fuel injector and plug it into the male connector(black) on the PS harness. Plug the female(gray) connector from the PS harness into the Injector. Same process on other 3 cylinders heading to left. The ground wire gets connected to the head under the coil pack on the first bolt.

    Here's a few pics of mine. Hopefully, it will clear it up a little.
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  3. #3

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    Thanks

    Thanks Kamikaze

    Now I just need the ETSS wheel and a 13/23 to go with it

    Ben

  4. #4
    thanks !!!

  5. #5
    gordon lasiter #328's Avatar
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    Quote Originally Posted by KamikazeGPR View Post
    The wires don't have a specific cylinder they have to be connected to. But, when you center the PS harness on the engine it will become clear as to which cylinder they connect to due to length of wires. Start with farthest to right. Unplug the female connector from fuel injector and plug it into the male connector(black) on the PS harness. Plug the female(gray) connector from the PS harness into the Injector. Same process on other 3 cylinders heading to left. The ground wire gets connected to the head under the coil pack on the first bolt.

    Here's a few pics of mine. Hopefully, it will clear it up a little.


    I thought the ground wire went to the battery?
    I am installing the ps on the glovebox so i can see what it is doing!

  6. #6
    64physhy's Avatar
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    I attached my ground wire to the bolt that hold the engine cover bracket on.

  7. #7
    gordon lasiter #328's Avatar
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    Quote Originally Posted by 64physhy View Post
    I attached my ground wire to the bolt that hold the engine cover bracket on.
    Ok, that makes install easier without making the ground wire longer.
    I was under the impression that a majority of the forum members did not use the powershot if they could adjust the fuel pressure to have a safe afr without it!

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