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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.

32733 topics in this forum

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

    By War_Pony89,
    • 7 replies
    • 676 views

  2. Tranny ID help

    By SledNeck91604,
    • 21 replies
    • 93.8k views

  3. Help with Brakes and Wiring

    By TheNerfsmith,
    • 4 replies
    • 395 views

  4. 86 tach wiring

    By Agreen,
    • 20 replies
    • 3.2k views

  5. Oil issues, wow not leaking though

    By Ole Tsula,
    • 2 replies
    • 293 views

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

    By jakesmog,
    • 3 replies
    • 417 views

  7. Door handle gaskets / seals

    By farmboi,
    • 22 replies
    • 2.4k views

  8. Valve cover gasket

    By terryt,
    • 4 replies
    • 455 views

  9. Off road noise!

    By TheMaddTitan13,
    • 15 replies
    • 4.6k views

  10. Dash Bezels.

    By Eagle_SX4,
    • 1 reply
    • 316 views

  11. Steering wheel doesn’t return to center

    By hgeranium,
    • 9 replies
    • 1.2k views

  12. 2.5-4.0 swap

    By Halton Smith,
    • 4 replies
    • 858 views

  13. Removing old heater/ac vac lines

    By hgeranium,
    • 5 replies
    • 420 views

  14. Fastener Cross Reference

    By JimiGibbs,
    • 3 replies
    • 377 views

  15. OEM Rear Brakes 1989 Comanche

    By Dal3,
    • 2 replies
    • 433 views

  16. 91 metric ton shocks?

    By vhfr1289,
    • 2 replies
    • 391 views

  17. Glasstite Cap

    By GrizzzzBear,
    • 11 replies
    • 3.4k views

  18. How to wire up a different alternator

    By Warren99,
    • 1 reply
    • 673 views

  19. Renix stumbling around 2300RPM - SOLVED IT!

    By Smash6,
    • 12 replies
    • 1k views

  20. 1989 Jeep Comanche not shifting when cold or electrical issue

    By Jack p,
    • 2 replies
    • 389 views

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

    By Warren99,
    • 4 replies
    • 538 views

  22. 86 speedometer cable question

    By ratrapp,
    • 6 replies
    • 525 views

  23. Identifying a rear axle for parts

    By PomPom,
    • 1 reply
    • 420 views

  24. Pics of the Auto Transmission mounting location

    By Eagle_SX4,
    • 4 replies
    • 322 views

  25. Wire Over Driver's Shoulder Above Seatbelt?

    By NickyV,   
    • 7 replies
    • 1.1k views
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