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Thread: building a C3(747) to P4(730) adapter harness

  1. #16
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    I did the same thing but the wall thickness of the connector is too large. What you really want is splice connectors. These are also the correct conenctor when connecting several circuits at one point, like your injector power and ignition power wires.
    http://www.digikey.com/product-searc...plices/1441974

  2. #17
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    the rear or the top row pins(A & C rows) have been bent out so the are directly aft of the connector. the bottom row is slightly bent aft(approx 45*), test fit the pins w/connectors and has plenty of clearance. back to work this week so i doubt it will be finished soon. hopefully will be done by friday with fini pics.

  3. #18
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    Well, it sounds like you've got it figured out, then. If those sleeves are really aluminum like you said you might want to test solder one before crimping all of them.

  4. #19
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    yeah, i just finished the E/F connector, solid and a little bit more snug but thats because of the shrink wrap. but overall i think it will work well once all the pins are home

  5. #20
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    In case someone missed this on Thirdgen it is an easier version to solder up some wires to. Way less work then removing one from an ECM as well.

    http://www.racetronix.biz/itemdesc.a...HCA-001&eq=&Tp=

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  6. #21
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    Quote Originally Posted by EagleMark View Post
    In case someone missed this on Thirdgen it is an easier version to solder up some wires to. Way less work then removing one from an ECM as well.

    http://www.racetronix.biz/itemdesc.a...HCA-001&eq=&Tp=
    Wow, thats sweet! Wonder if they make one for the 7427 style pcm's?
    79 Jeep Cherokee, AMC 401, T-18 manual trans, hydroboost, 16197427 MPFI system---the toy

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  7. #22
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    almost done, just need to tidy it up a little more...
    Attached Images Attached Images

  8. #23
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    So as I was sitting in the barn separating lots of cut wires from ecm connectors tonight, I realized that missing the painfully obvious is a good way to win a Darwin Award. IOW, the terminals designed to fit the ecm connector could be trimmed, slipped over the pin and soldered, then shrink wrapped, and they'd do a very nice job.

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