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Thread: are 91 shelby 2.5 turbo wiring harness and 92 daytona iroc 2.5 turbo harness the same

  1. #1
    Mitsu booster
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    are 91 shelby 2.5 turbo wiring harness and 92 daytona iroc 2.5 turbo harness the same

    i have a 91 shelby that had fuel fire and damaged the harness i just bought a 92 iroc 2.5 turbo harness and computer are they the same ? if not whats different? i have a stage 5 computer from fwd performance if they are different can i swap the chip from the 91 to upgrade the 92 box?

  2. #2
    Visit www.boostbutton.com... Turbo Mopar Contributor ShelGame's Avatar
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    Re: are 91 shelby 2.5 turbo wiring harness and 92 daytona iroc 2.5 turbo harness the

    NO, not exactly the same. The biggest difference is the cruise control. In 91 there was a dedicated wire for each switch (on/off, set/resume, coast/cancel). But, in '92 they were multiplexed. Basically, that means 1 wires, but different voltages to represent each switch.

    Also, the computer internally is different from '91 to '92. So, the '91 chip won't work in the '92 computer. You need a chip for the '92...
    https://db.tt/SV7ONZpQ
    Rob Lloyd
    '89 Daytona C/S

    2.5 T1 Auto
    13.24 @ 100.5mph
    NHRA #3728 AF/S

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  3. #3
    Mitsu booster
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    Re: are 91 shelby 2.5 turbo wiring harness and 92 daytona iroc 2.5 turbo harness the

    thanks it's forsale if ya know anyone looking 250 for all and i'll toss in another comp from a 92 shadow 2.5 turbo 5 speed! 352-299-6466

  4. #4
    Visit www.boostbutton.com... Turbo Mopar Contributor ShelGame's Avatar
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    Re: are 91 shelby 2.5 turbo wiring harness and 92 daytona iroc 2.5 turbo harness the

    Quote Originally Posted by shuckarelli View Post
    thanks it's forsale if ya know anyone looking 250 for all and i'll toss in another comp from a 92 shadow 2.5 turbo 5 speed! 352-299-6466
    $250 for 2 '92 computers and a Harness? That's a good deal. Very tempting. Let me see what I can scrape up...
    https://db.tt/SV7ONZpQ
    Rob Lloyd
    '89 Daytona C/S

    2.5 T1 Auto
    13.24 @ 100.5mph
    NHRA #3728 AF/S

    boostbutton.com
    tuning wiki

  5. #5
    Mitsu booster
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    Re: are 91 shelby 2.5 turbo wiring harness and 92 daytona iroc 2.5 turbo harness the

    Quote Originally Posted by ShelGame View Post
    $250 for 2 '92 computers and a Harness? That's a good deal. Very tempting. Let me see what I can scrape up...
    i thought about dropping a built 2.5 in my 66 mg midget but think i'm going to go with 13b turbo 5 speed

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