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MJ Tech: Modification and Repairs

For all your Comanche (MJ) needs.  An excellent place to ask questions, and to discuss modifications and issues.

32694 topics in this forum

  1. Cruise control

    By Teqtony,
    • 15 replies
    • 1.2k views

  2. Long bed tonneau cover

    By MattK,
    • 8 replies
    • 835 views

  3. Cruise control switch/stalk, can't find one 1 2 3

    By knever3,
    • 54 replies
    • 5k views

  4. Wiper Stuck in Intermittent - Long Delay (1990) - Fixed

    By AnotherOldJeepGuy,   
    • 10 replies
    • 1.2k views

  5. Overwhelmed with installing 4.0

    By Jacoop91,
    • 11 replies
    • 904 views

  6. Valve Cover Elbow Woes

    By Salvagedcircuit,
    • 2 replies
    • 501 views

  7. Front Suspension Replacement

    By RiversideMJ,
    • 17 replies
    • 3.1k views

  8. Brakes issues on my 90 comanche

    By Jossue,
    • 7 replies
    • 773 views

  9. problems starting

    By nathan,
    • 4 replies
    • 579 views

  10. comanche project gone bad.

    By dirtyoldjeeper,
    • 6 replies
    • 700 views

  11. Leaking component

    By Rusty_Panda,
    • 2 replies
    • 525 views

  12. Starter system issue

    By BentGear,
    • 8 replies
    • 801 views

  13. Renix intermediate pipe BRE mandrel bent stainless. Installed 7-2025

    By Htchevyii,
    • 9 replies
    • 1.3k views

  14. Egr and vacuum line trouble

    By Rusty_Panda,
    • 9 replies
    • 954 views

  15. Fuel line problem, need part numbers.

    By Skylynx,
    • 11 replies
    • 986 views

  16. Durabak or Rustoleum?

    By Elwiscon,
    • 21 replies
    • 2.1k views

  17. What is this?

    By MrCronic,
    • 7 replies
    • 721 views

  18. Showing 10-11v gauge battery at 13.9

    By ja_racing,
    • 9 replies
    • 961 views

  19. '87 Dana 30 C.A.D. delete

    By Eagle_SX4,
    • 9 replies
    • 1.7k views

  20. PS pump

    By garyweb3,
    • 8 replies
    • 904 views

  21. 4wd swap question

    By Ricky8227,
    • 1 reply
    • 405 views

  22. Need some dimensions - yet another lift thread

    By Tex06,   
    • 4 replies
    • 656 views

  23. Turn signal gremlin

    By Whitaker717,
    • 10 replies
    • 1.7k views

  24. radio backlight bulbs

    By Pete M,
    • 6 replies
    • 591 views

  25. Dash Connector ID Please

    By AnotherOldJeepGuy,
    • 3 replies
    • 610 views
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