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Thread: 89 Cummins swap won’t start.

  1. Top Of Page | #1
    Monte888's Avatar

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    89 Cummins swap won’t start.

    Having issues starting my engine.

    I have an 89 Cummins engine that I’m doing a swap on.

    I didn’t have any issues with it running before the upgrade.

    I did the following upgrades:
    • THD Injectors
    • Fuel Pin
    • Spring
    • Turbo
    • Inter-cooler


    It turns over but won’t turn on.

    No smoke while starting.

    Any ideas where to start?


  2. Top Of Page | #2
    Monte888's Avatar

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    Re: 89 Cummins swap won’t start.

    Think I found the problem.

    Click image for larger version. 

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  4. Top Of Page | #3
    david3gen's Avatar

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    89 Cummins swap won’t start.

    Did it start?

    Sent from my iPhone using Tapatalk

    2006 dodge ram 2500 laramie crew cab 5.9 cummins. 10x20 et-24 fuel offroad with 275.60r20 tires. bully dog gt tuner. 48re ATS built tranny triple disc converter ATS oilpan and transgo quick shifter. 4" turbo back exhaust. brembo discs and pads

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  6. Top Of Page | #4
    Monte888's Avatar

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    Re: 89 Cummins swap won’t start.

    No.

    Looks like I will be removing the pump to fix my screw up!


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  8. Top Of Page | #5
    Monte888's Avatar

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    Re: 89 Cummins swap won’t start.

    Got that sucker fixed and it works.

    Just waiting on my driveshaft to get done.

    68 C10 Cummins Suburban should be up in a few weeks.


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  10. Top Of Page | #6
    Basic Member 03 unicorn's Avatar

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    Re: 89 Cummins swap won’t start.

    Quote Originally Posted by Monte888 View Post
    Got that sucker fixed and it works.

    Just waiting on my driveshaft to get done.

    68 C10 Cummins Suburban should be up in a few weeks.
    Awesome post some pics so we can drool over the suburban.

    I love those 67-72 Chevys.


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  12. Top Of Page | #7
    Monte888's Avatar

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    Re: 89 Cummins swap won’t start.



    Got it moving on it’s own.

    I noticed that the positive wire coming from the alternator is getting extremely hot and almost to the point of melting.

    What could this issue be?


    Sent from my iPhone using Tapatalk


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  14. Top Of Page | #8
    Monte888's Avatar

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    Re: 89 Cummins swap won’t start.

    Maybe voltage regulator?
    Thinking of going with 1 wire setup.


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  16. Top Of Page | #9
    Here to protect and serve! watersupply189's Avatar

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    Re: 89 Cummins swap won’t start.

    Quote Originally Posted by Monte888 View Post
    Maybe voltage regulator?
    Thinking of going with 1 wire setup.
    I was kind of thinking that also


    2016 Ram Laramie 3500, G56, 6.7, Rough Country Leveling, HID headlights, Morimoto LED fogs plus a whole lot more!

    2016 Ram 3500 4x4 Laramie Crew Cab
    Cummins (DRD), G56, Rough Country level, Morimoto LED fog lights ,35W HID headlights, Lund Attitude Steps w/Line-X, DRL's Activated, 35x11.50R18 Falken Wildpeak, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap

    2015 Jeep Grand Cherokee Limited 4x4
    2019 Dodge Charger 392 Scatpack Plus

    Past- 2014 Ram 1500 4x4 Lone-Star Eco Diesel

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