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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.

32616 topics in this forum

  1. Intermittent parasitic drain

    By EdJarHead,
    • 2 replies
    • 563 views

  2. Rear speaker issue

    By Whitaker717,
    • 3 replies
    • 542 views

  3. Ford 8.8 Swap Brake + E brake Setup

    By ktmall07,
    • 4 replies
    • 881 views

  4. Rocker arm bolt tightening 88 jeep 4.0 6i

    By fiddlermj,
    • 4 replies
    • 561 views

  5. Fuel Tank Rollover / Vapor Valves and Seals

    By Torq_Shep,
    • 1 reply
    • 978 views

  6. R12 to 134a conversion

    By kook911,
    • 18 replies
    • 2.5k views

  7. Unknown Ground Wire Location

    By Torq_Shep,
    • 6 replies
    • 807 views

  8. Looking for recommendation for head unit with touchscreen

    By jamespwsullivan,
    • 19 replies
    • 3.8k views

  9. V belt help for a 2.8L

    By Faceted,
    • 3 replies
    • 732 views

  10. Late model 4.0L in a Renix MJ

    By jamespwsullivan,
    • 9 replies
    • 1.1k views

  11. Paint Guidance

    By Hudy,
    • 19 replies
    • 2.7k views

  12. Taillight Harness Rebuild and Sockets

    By Torq_Shep,
    • 21 replies
    • 2k views

  13. 2.5L Renix VS 2.5L MPFI flywheel dimensions?

    By OldSch88L,
    • 13 replies
    • 1.6k views

  14. 86 MJ 2.5 TBI No Spark No Fuel

    By dastrius,
    • 4 replies
    • 797 views

  15. Dana 35 non c-clip ring gear

    By TheSiLvAPython,
    • 3 replies
    • 861 views

  16. Open cooling system fan switch

    By Jdde,
    • 4 replies
    • 768 views

  17. 1 qt in 100 miles oil loss decreases by 75% with oil cap off + Hard to interpret engine hose charts. '89 4'0L

    By Dal3,
    • 7 replies
    • 895 views

  18. ‘88 interior to ‘99 XJ interior.

    By 1999 MJ,
    • 1 reply
    • 504 views

  19. Replacing Fuel Line to Fuel Rail

    By RiversideMJ,
    • 1 reply
    • 810 views

  20. 1986 Long Bed Rear Bumper

    By DadsJeep,
    • 6 replies
    • 982 views

  21. Turn Signals no longer working

    By EdJarHead,
    • 4 replies
    • 1.1k views

  22. About the parking brake cable

    By Spinnakerblue89,
    • 7 replies
    • 828 views

  23. Fuel Line to Fuel Rail leaking

    By RiversideMJ,
    • 6 replies
    • 1.1k views

  24. Idle air control and idle speed control

    By joeCor,
    • 3 replies
    • 586 views

  25. Front Coil Springs & Suspension (de)Codes?

    By Gojira94,
    • 6 replies
    • 954 views
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