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  1. #61
    Join Date
    Oct 2006
    Location
    Carlsbad, CA
    Posts
    743
    Country Flag: United States
    Quote Originally Posted by Ravenworks View Post
    Sorry for being so generic, I meant the connectors for the engine computer, transmission connectors, more specialized connectors that aren't commonly available. I'm assuming the harness from the engine computer to the injectors, TPS, etc remains the same...
    Ah, ok. That's a different beast. If for an LS conversion then I highly recommend you treat them as "almost" entirely different systems. ISIS will replace your existing "body" harness (inputs and outputs for wipers, lights etc). Unless you want a HUGE project on your hands, you will want to go to a specialist like SpearTech (there are others) to build you a dedicated engine (& trans) harness with all the connectors you are referring to for sensors etc. Get the ECM/TCM's and accel pedal to match your exact engine setup. Where the two harnesses "meet" is using ISIS to supply 12v ign to the eng/trans harness, a starter wire and possibly a few others depending on your setup and who's harness you go with. It's a chunk of change for most pre-done harnesses but it's a whole lot of headache taken care of. Others take a factory harness and simplify it but that is also a lot of work IMHO. Potentially less expensive but time consuming unless you have done it before.

    G.



  2. #62
    Join Date
    Nov 2012
    Location
    Frozen, MN
    Posts
    93
    Country Flag: United States
    Quote Originally Posted by Gandalf View Post
    Ah, ok. That's a different beast. If for an LS conversion then I highly recommend you treat them as "almost" entirely different systems. ISIS will replace your existing "body" harness (inputs and outputs for wipers, lights etc). Unless you want a HUGE project on your hands, you will want to go to a specialist like SpearTech (there are others) to build you a dedicated engine (& trans) harness with all the connectors you are referring to for sensors etc. Get the ECM/TCM's and accel pedal to match your exact engine setup. Where the two harnesses "meet" is using ISIS to supply 12v ign to the eng/trans harness, a starter wire and possibly a few others depending on your setup and who's harness you go with. It's a chunk of change for most pre-done harnesses but it's a whole lot of headache not to pay not have.

    G.
    Thanks for the input, and I love your "Jane Doe" Camaro!

  3. #63
    Join Date
    May 2008
    Location
    Austin, Tx.
    Posts
    1,473
    Country Flag: United States
    YIKES!!!

    I have been set on using the ISIS system on my project for the last few years but I have been holding off purchasing the electrical system while I procured more pertinent items that I needed at the time. I knew I didn't need the wiring until a later stage of the project.

    Well, the time has come to order my ISIS system and I just had to catch my breath when I saw they decided in the recent past to go up right at 50% on their 3-cell kit!!!!!

    Their price for the 3-cell kit was right at $1,000 and now it's $1,550!!!

    MAN, I WISH I COULD GET A RAISE LIKE THAT!!!!
    Ray
    FEW FRILLS, just BIG CHILLS!!!
    1972 VW Bug (632 ci BBC/Souped-up Tremec T56 Magnum/9"-3.50)
    18"x12" (335/30/18) Front, 19"x13" (345/30/19) Rear
    https://www.pro-touring.com/showthre...-Lady-Bug-quot

  4. #64
    Join Date
    Aug 2004
    Posts
    610
    Quote Originally Posted by 454bug View Post
    YIKES!!!

    I have been set on using the ISIS system on my project for the last few years but I have been holding off purchasing the electrical system while I procured more pertinent items that I needed at the time. I knew I didn't need the wiring until a later stage of the project.

    Well, the time has come to order my ISIS system and I just had to catch my breath when I saw they decided in the recent past to go up right at 50% on their 3-cell kit!!!!!

    Their price for the 3-cell kit was right at $1,000 and now it's $1,550!!!

    MAN, I WISH I COULD GET A RAISE LIKE THAT!!!!
    Given the long term flexibility of the system and how much we spend on these cars I think its worth every penny.

  5. #65
    Join Date
    Sep 2005
    Location
    Nor Cal
    Posts
    2,194
    Country Flag: United States
    Quote Originally Posted by JohnUlaszek View Post
    Given the long term flexibility of the system and how much we spend on these cars I think its worth every penny.
    I don't really think that's his point.
    1968 Camaro SB2.2
    1990 🦊 Mustang LS3
    2014 Keezer

  6. #66
    Join Date
    Jul 2009
    Location
    Grand Rapids, MI
    Posts
    1,559
    Country Flag: United States
    Ray, call them and talk with Jay. They posted in a thread recently to contact them before ordering and they will take care of us PT.com guys. I ordered the rest of my system about a month ago and they did just what they said.
    Will Ellis
    1969 Dodge Dart Swinger, 1/2 Dart / 1/2 Viper...
    Build Thread

  7. #67
    Join Date
    May 2008
    Location
    Austin, Tx.
    Posts
    1,473
    Country Flag: United States
    Quote Originally Posted by wellis77 View Post
    Ray, call them and talk with Jay. They posted in a thread recently to contact them before ordering and they will take care of us PT.com guys. I ordered the rest of my system about a month ago and they did just what they said.
    Hey Will,

    That's some great news! I will make sure I get everything ordered right after the first of the year then!

    I think I am going to take John's suggestion and get 3 powercells (front, underdash, rear) to help shorten up all of the runs.
    Ray
    FEW FRILLS, just BIG CHILLS!!!
    1972 VW Bug (632 ci BBC/Souped-up Tremec T56 Magnum/9"-3.50)
    18"x12" (335/30/18) Front, 19"x13" (345/30/19) Rear
    https://www.pro-touring.com/showthre...-Lady-Bug-quot

  8. #68
    Join Date
    Jul 2009
    Location
    Grand Rapids, MI
    Posts
    1,559
    Country Flag: United States
    I picked up 3 powercells, plus an inMotion cell, and a few other things...
    Will Ellis
    1969 Dodge Dart Swinger, 1/2 Dart / 1/2 Viper...
    Build Thread

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