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Thread: Wanted: bad 7427

  1. #1
    Fuel Injected! JeepsAndGuns's Avatar
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    Wanted: bad 7427

    Anyone have a bad, fried, or otherwise non working 7427 style pcm? It doesnt matter the service number (because there are so many) so long as the plugs for the wiring harness are the same as a 7427. Thats the only part I care to be good, is the plugs and pins.

    Price with shipping?
    79 Jeep Cherokee, AMC 401, T-18 manual trans, hydroboost, 16197427 MPFI system---the toy

    93 Jeep YJ Wrangler, 4.0L, 5 speed, 8.8 rear, homebrew hub conversion and big brakes, hydroboost, 2.5in OME lift, 31x10.50's---the daily driver

    99 Jeep WJ Grand Cherokee limited, 4.0L, auto, 2wd, leather and power everything, 99% stock---the long distance highway ride.

  2. #2
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    No bad pcm here, but look at numbers 829-12129340 and 829-12110323.

    http://www.mouser.com/Delphi-Connect...z0x9zoZ1z0wx0c

  3. #3
    Fuel Injected! JeepsAndGuns's Avatar
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    Cool. Didnt know you could get those like that. But sadly they dont have any in stock and a 21 week lead time before they get any back in.
    79 Jeep Cherokee, AMC 401, T-18 manual trans, hydroboost, 16197427 MPFI system---the toy

    93 Jeep YJ Wrangler, 4.0L, 5 speed, 8.8 rear, homebrew hub conversion and big brakes, hydroboost, 2.5in OME lift, 31x10.50's---the daily driver

    99 Jeep WJ Grand Cherokee limited, 4.0L, auto, 2wd, leather and power everything, 99% stock---the long distance highway ride.

  4. #4
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    I'm sure I have some spare plugs laying around , but I don't have any dead PCM's for the sockets .....

    If the plugs would help , let me know.

    TOM
    1994 3500 Dually , 502 (509) , 264HR , Edelbrock MPFI , PFI '7427
    1992 S-10 434 SBC/Tremec - '7427
    1986 Monte Carlo SS
    1984 S-10 , SAS, 496/700R4/205 , D44/14BFF -'7427
    1980 Z-28 496/700R4
    1979 Corvette 496/700R4
    1977 Olds 98 Regency 403/700R4

  5. #5
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    But sadly they dont have any in stock and a 21 week lead time before they get any back in.
    But you now have the Delphi part number to look at other sites....
    http://part.aboutsemi.com/delphi/12110323.html
    http://part.aboutsemi.com/item/delphi/12129340/1.html

  6. #6
    Fuel Injected! JeepsAndGuns's Avatar
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    Nasty, I have plenty of the connector plugs, just need some of the pcm sockets. Thanks for the offer though!

    1project, I was unaware that was the delphi part number. Have you bought from the company you just posted? I have never heard of them, just wondering if they are reputable.
    79 Jeep Cherokee, AMC 401, T-18 manual trans, hydroboost, 16197427 MPFI system---the toy

    93 Jeep YJ Wrangler, 4.0L, 5 speed, 8.8 rear, homebrew hub conversion and big brakes, hydroboost, 2.5in OME lift, 31x10.50's---the daily driver

    99 Jeep WJ Grand Cherokee limited, 4.0L, auto, 2wd, leather and power everything, 99% stock---the long distance highway ride.

  7. #7
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    Quote Originally Posted by JeepsAndGuns View Post
    Nasty, I have plenty of the connector plugs, just need some of the pcm sockets. Thanks for the offer though!
    I had figured you did , but thought i'd offer :)

    TOM
    1994 3500 Dually , 502 (509) , 264HR , Edelbrock MPFI , PFI '7427
    1992 S-10 434 SBC/Tremec - '7427
    1986 Monte Carlo SS
    1984 S-10 , SAS, 496/700R4/205 , D44/14BFF -'7427
    1980 Z-28 496/700R4
    1979 Corvette 496/700R4
    1977 Olds 98 Regency 403/700R4

  8. #8
    Did you ever find one ? I have a few that would fit the bill

  9. #9
    Fuel Injected! JeepsAndGuns's Avatar
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    Quote Originally Posted by Tunedperformance View Post
    Did you ever find one ? I have a few that would fit the bill
    We are currently trying to fix the issue thats making me want to make a 7427-7730 adapter harness. If we can not figure it out, I may hit you up.
    79 Jeep Cherokee, AMC 401, T-18 manual trans, hydroboost, 16197427 MPFI system---the toy

    93 Jeep YJ Wrangler, 4.0L, 5 speed, 8.8 rear, homebrew hub conversion and big brakes, hydroboost, 2.5in OME lift, 31x10.50's---the daily driver

    99 Jeep WJ Grand Cherokee limited, 4.0L, auto, 2wd, leather and power everything, 99% stock---the long distance highway ride.

  10. #10
    Super Moderator Six_Shooter's Avatar
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    What's the issue?
    The man who says something is impossible, is usually interrupted by the man doing it.

  11. #11
    issues with the port mod on the 427 ?

  12. #12
    Fuel Injected! JeepsAndGuns's Avatar
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    http://www.gearhead-efi.com/Fuel-Inj...-created-equal

    Everything on it runs great, except my AFR is all over the place. I'm just curious if it is because of the mpfi mod/hack, as I did not have that problem when I had tbi. It started when I went mpfi. So curiosity has made me wonder if I should try a factory mpfi ecm/bin (aka, a 7730). So I was thinking about making a adapter harness to let me plug in a 7730 to my harness and test it out.
    79 Jeep Cherokee, AMC 401, T-18 manual trans, hydroboost, 16197427 MPFI system---the toy

    93 Jeep YJ Wrangler, 4.0L, 5 speed, 8.8 rear, homebrew hub conversion and big brakes, hydroboost, 2.5in OME lift, 31x10.50's---the daily driver

    99 Jeep WJ Grand Cherokee limited, 4.0L, auto, 2wd, leather and power everything, 99% stock---the long distance highway ride.

  13. #13
    sounds like a great way to test and see the results of another mask and ecm hope those part numbers I gave you help.

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