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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.

32645 topics in this forum

  1. 86 tach wiring

    By Agreen,
    • 20 replies
    • 2.9k views

  2. Oil issues, wow not leaking though

    By Ole Tsula,
    • 2 replies
    • 241 views

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

    By jakesmog,
    • 3 replies
    • 322 views

  4. Door handle gaskets / seals

    By farmboi,
    • 22 replies
    • 2.2k views

  5. Valve cover gasket

    By terryt,
    • 4 replies
    • 384 views

  6. Off road noise!

    By TheMaddTitan13,
    • 15 replies
    • 4.5k views

  7. Dash Bezels.

    By Eagle_SX4,
    • 1 reply
    • 275 views

  8. Steering wheel doesn’t return to center

    By hgeranium,
    • 9 replies
    • 793 views

  9. 2.5-4.0 swap

    By Halton Smith,
    • 4 replies
    • 780 views

  10. Removing old heater/ac vac lines

    By hgeranium,
    • 5 replies
    • 336 views

  11. Fastener Cross Reference

    By JimiGibbs,
    • 3 replies
    • 291 views

  12. OEM Rear Brakes 1989 Comanche

    By Dal3,
    • 2 replies
    • 375 views

  13. 91 metric ton shocks?

    By vhfr1289,
    • 2 replies
    • 330 views

  14. Glasstite Cap

    By GrizzzzBear,
    • 11 replies
    • 3.2k views

  15. How to wire up a different alternator

    By Warren99,
    • 1 reply
    • 504 views

  16. Renix stumbling around 2300RPM - SOLVED IT!

    By Smash6,
    • 12 replies
    • 846 views

  17. 1989 Jeep Comanche not shifting when cold or electrical issue

    By Jack p,
    • 2 replies
    • 323 views

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

    By Warren99,
    • 4 replies
    • 434 views

  19. 86 speedometer cable question

    By ratrapp,
    • 6 replies
    • 435 views

  20. Identifying a rear axle for parts

    By PomPom,
    • 1 reply
    • 372 views

  21. Pics of the Auto Transmission mounting location

    By Eagle_SX4,
    • 4 replies
    • 261 views

  22. Wire Over Driver's Shoulder Above Seatbelt?

    By NickyV,   
    • 7 replies
    • 1k views

  23. Diagnosing Clutch Issues: Help/Advice Wanted

    By NickyV,   
    • 9 replies
    • 1.3k views

  24. Intermittent low idle in drive+dies on initial acceleration

    By hgeranium,
    • 3 replies
    • 406 views

  25. Another Rear Bumper Question

    By JimiGibbs,
    • 3 replies
    • 299 views
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