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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.

32756 topics in this forum

  1. Interior Question

    By TheNerfsmith,
    • 3 replies
    • 384 views

  2. Help get my truck running. 1 2

    By camjeep3,
    • 33 replies
    • 2.9k views

  3. B pillar courtesy light questions

    By hgeranium,
    • 12 replies
    • 763 views

  4. Skyjacker 3" lift with disconnects still around? Other recommendations?

    By War_Pony89,
    • 7 replies
    • 728 views

  5. Tranny ID help

    By SledNeck91604,
    • 21 replies
    • 93.8k views

  6. Help with Brakes and Wiring

    By TheNerfsmith,
    • 4 replies
    • 434 views

  7. 86 tach wiring

    By Agreen,
    • 20 replies
    • 3.3k views

  8. Oil issues, wow not leaking though

    By Ole Tsula,
    • 2 replies
    • 314 views

  9. Keep 89 Renix, or swap to 94 HO engine?

    By jakesmog,
    • 3 replies
    • 462 views

  10. Door handle gaskets / seals

    By farmboi,
    • 22 replies
    • 2.6k views

  11. Valve cover gasket

    By terryt,
    • 4 replies
    • 474 views

  12. Off road noise!

    By TheMaddTitan13,
    • 15 replies
    • 4.7k views

  13. Dash Bezels.

    By Eagle_SX4,
    • 1 reply
    • 330 views

  14. Steering wheel doesn’t return to center

    By hgeranium,
    • 9 replies
    • 1.3k views

  15. 2.5-4.0 swap

    By Halton Smith,
    • 4 replies
    • 892 views

  16. Removing old heater/ac vac lines

    By hgeranium,
    • 5 replies
    • 444 views

  17. Fastener Cross Reference

    By JimiGibbs,
    • 3 replies
    • 396 views

  18. OEM Rear Brakes 1989 Comanche

    By Dal3,
    • 2 replies
    • 456 views

  19. 91 metric ton shocks?

    By vhfr1289,
    • 2 replies
    • 425 views

  20. Glasstite Cap

    By GrizzzzBear,
    • 11 replies
    • 3.5k views

  21. How to wire up a different alternator

    By Warren99,
    • 1 reply
    • 769 views

  22. Renix stumbling around 2300RPM - SOLVED IT!

    By Smash6,
    • 12 replies
    • 1.1k views

  23. 1989 Jeep Comanche not shifting when cold or electrical issue

    By Jack p,
    • 2 replies
    • 427 views

  24. Will a 5V Sine wave work on an MJ Tach?

    By Warren99,
    • 4 replies
    • 577 views

  25. 86 speedometer cable question

    By ratrapp,
    • 6 replies
    • 560 views
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