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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.

32789 topics in this forum

  1. Running hot fan question

    By Colt6920,
    • 7 replies
    • 867 views

  2. renix

    By rick smith,
    • 9 replies
    • 1.1k views

  3. Windshield Glass Replacement

    By kriswinner,
    • 7 replies
    • 1k views

  4. Column shifter to floor shift

    By Ken Seymour,
    • 4 replies
    • 682 views

  5. Are my synchronizers toast?! 1 2 3

    By InTacosWeTrust,
    • 55 replies
    • 4.7k views

  6. Turn Signals Out

    By Norton,
    • 20 replies
    • 2.5k views

  7. Any thoughts on this load leveling device?

    By ghetdjc320,
    • 19 replies
    • 1.8k views

  8. Booster upgrade questions

    By Eagle_SX4,
    • 10 replies
    • 1.1k views

  9. SUA lift

    By HuntinHopin,
    • 4 replies
    • 781 views

  10. Headlight Confusion!

    By Spinnakerblue89,
    • 4 replies
    • 789 views

  11. Cruise control

    By Teqtony,
    • 15 replies
    • 1.4k views

  12. Long bed tonneau cover

    By MattK,
    • 8 replies
    • 980 views

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

    By knever3,
    • 54 replies
    • 5.5k views

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

    By AnotherOldJeepGuy,   
    • 10 replies
    • 1.5k views

  15. Overwhelmed with installing 4.0

    By Jacoop91,
    • 11 replies
    • 1k views

  16. Valve Cover Elbow Woes

    By Salvagedcircuit,
    • 2 replies
    • 568 views

  17. Front Suspension Replacement

    By RiversideMJ,
    • 17 replies
    • 3.5k views

  18. Brakes issues on my 90 comanche

    By Jossue,
    • 7 replies
    • 965 views

  19. problems starting

    By nathan,
    • 4 replies
    • 663 views

  20. comanche project gone bad.

    By dirtyoldjeeper,
    • 6 replies
    • 788 views

  21. Leaking component

    By Rusty_Panda,
    • 2 replies
    • 625 views

  22. Starter system issue

    By BentGear,
    • 8 replies
    • 988 views

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

    By Htchevyii,
    • 9 replies
    • 1.6k views

  24. Egr and vacuum line trouble

    By Rusty_Panda,
    • 9 replies
    • 1.1k views

  25. Fuel line problem, need part numbers.

    By Skylynx,
    • 11 replies
    • 1.2k views
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