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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.

32873 topics in this forum

  1. Coolant Reservoir Tank Cap Question 1990 4.0

    By AnotherOldJeepGuy,
    • 17 replies
    • 2k views

  2. 86 cluster indicator light panel wiring diagram?

    By coheed,
    • 2 replies
    • 571 views

  3. REM II Menu Tree - as of v9.421

    By Gojira94,
    • 1 reply
    • 578 views

  4. New parking brake fix? 1 2

    By cruiser54,
    • 33 replies
    • 8.8k views

  5. Sudden drop in MPG

    By hgeranium,
    • 6 replies
    • 710 views

  6. 87-92 Tail light harness connector source!

    By schardein,
    • 7 replies
    • 2.9k views

  7. Dana 35 Rebuild Questions

    By Yellowoctupus,
    • 13 replies
    • 4k views

  8. Custom door cards

    By Aidenmoreno3,
    • 10 replies
    • 1.6k views

  9. Pulled the trigger on the Oracle Tail Lights

    By BentGear,
    • 5 replies
    • 1.4k views

  10. Winch solenoid upgrade

    By Eagle_SX4,
    • 8 replies
    • 2.7k views

  11. Mildly Rough Clutch Pedal 1 2

    By White_Comanche,
    • 26 replies
    • 3.2k views

  12. Dana 35 Break

    By Ryan Yohanis,
    • 11 replies
    • 1.2k views

  13. E Fans

    By Muncher,
    • 8 replies
    • 958 views

  14. Grill Cowl Screen 55008832

    By JimiGibbs,
    • 5 replies
    • 1.2k views

  15. Renix manifold heat shield

    By hgeranium,
    • 9 replies
    • 1k views

  16. Help identifying fuel pump relay

    By Ricky8227,
    • 2 replies
    • 721 views

  17. Rims

    By terryt,
    • 4 replies
    • 722 views

  18. Renix 4.0 throttle link removal and installation

    By hgeranium,
    • 11 replies
    • 1.2k views

  19. High rev on cold start.. CONTINUED!!!

    By hgeranium,
    • 1 reply
    • 907 views

  20. High idle when hot

    By MagicJames,
    • 8 replies
    • 1.8k views

  21. what's this little hole in the cluster for?

    By Pete M,
    • 2 replies
    • 951 views

  22. Help! Ignition issues

    By Elwiscon,
    • 8 replies
    • 1.1k views

  23. How many cranks to start up your MJ/XJ?

    By hgeranium,
    • 17 replies
    • 3.1k views

  24. High rev on cold start

    By hgeranium,
    • 6 replies
    • 4.3k views

  25. Failure Computer 1992 Manual Transmission

    By PAULINO ENCISO,
    • 4 replies
    • 1.9k views
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