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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.

32515 topics in this forum

  1. Working on my A/C Issues

    By daking,
    • 5 replies
    • 935 views

  2. tire size to diff ratio per trans

    By Marine1Texas,
    • 0 replies
    • 712 views

  3. Rubicon t case doubler?

    By JasonB,   
    • 11 replies
    • 3.3k views

  4. full Obd2 swap into mj

    By psifanboy,
    • 4 replies
    • 1.4k views

  5. Replacing evaporator and heater coils without removing dash?

    By Keyav8r,   
    • 5 replies
    • 2.6k views

  6. Transmission

    By Tburercomanche,
    • 1 reply
    • 711 views

  7. Will This Bumper Fit My '89 Comanche?

    By Archaeor,
    • 7 replies
    • 1.2k views

  8. Harbor Freight Tow Bar Questions

    By johnj92131,
    • 18 replies
    • 2.7k views

  9. Odd cooling fan (delay) question

    By Rockfrog,
    • 3 replies
    • 888 views

  10. Mating AX15 and NP242

    By Steve Gregory,
    • 0 replies
    • 825 views

  11. 87 mj cluster lights

    By Doc.,
    • 3 replies
    • 1.1k views

  12. Engine backfiring after new injectors, CPS, and other stuff?

    By johnj92131,
    • 9 replies
    • 903 views

  13. Coil spacers

    By Jackrabbit41,
    • 7 replies
    • 1.5k views

  14. vacuum reservoir for 1986 MJ 1 2

    By paskalee,   
    • 33 replies
    • 7.1k views

  15. Tow mirrors on 89 MJ

    By Urbzz96,
    • 2 replies
    • 1.2k views

  16. Trailer lights wiring

    By Knucklehead97,
    • 16 replies
    • 1.9k views

  17. At what size lift needs upper and lower adjustable control arms

    By pitbull4x4,
    • 16 replies
    • 6k views

  18. pigeot to ax15 swap help

    By th3m4nm4rcu5,
    • 8 replies
    • 1.5k views

  19. Did floor shifters ever come stock?

    By grinch,
    • 7 replies
    • 2.9k views

  20. Loosing power under throttle...

    By gogmorgo,
    • 22 replies
    • 3.4k views

  21. Drivetrain questions and concerns

    By JasonB,   
    • 3 replies
    • 1.7k views

  22. Steering and brake upgrades

    By Phins789,
    • 9 replies
    • 1.7k views

  23. NP242 inspection, brand suggestions?

    By Megadan,
    • 13 replies
    • 3.9k views

  24. rear brakes lock up

    By Blue88Comanche,
    • 9 replies
    • 1.2k views

  25. Heater blower motor not coming on

    By dustyinthedirt,   
    • 12 replies
    • 2k views
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