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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.

32841 topics in this forum

  1. R12 to 134a conversion

    By kook911,
    • 18 replies
    • 3.4k views

  2. Unknown Ground Wire Location

    By Torq_Shep,
    • 6 replies
    • 1.1k views

  3. Looking for recommendation for head unit with touchscreen

    By jamespwsullivan,
    • 19 replies
    • 5.1k views

  4. V belt help for a 2.8L

    By Faceted,
    • 3 replies
    • 973 views

  5. Late model 4.0L in a Renix MJ

    By jamespwsullivan,
    • 9 replies
    • 1.4k views

  6. Paint Guidance

    By Hudy,
    • 19 replies
    • 3.3k views

  7. Taillight Harness Rebuild and Sockets

    By Torq_Shep,
    • 21 replies
    • 2.8k views

  8. 2.5L Renix VS 2.5L MPFI flywheel dimensions?

    By OldSch88L,
    • 13 replies
    • 2k views

  9. 86 MJ 2.5 TBI No Spark No Fuel

    By dastrius,
    • 4 replies
    • 1.2k views

  10. Dana 35 non c-clip ring gear

    By TheSiLvAPython,
    • 3 replies
    • 1.2k views

  11. Open cooling system fan switch

    By Jdde,
    • 4 replies
    • 975 views

  12. 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
    • 1.2k views

  13. ‘88 interior to ‘99 XJ interior.

    By 1999 MJ,
    • 1 reply
    • 668 views

  14. Replacing Fuel Line to Fuel Rail

    By RiversideMJ,
    • 1 reply
    • 1.1k views

  15. 1986 Long Bed Rear Bumper

    By DadsJeep,
    • 6 replies
    • 1.2k views

  16. Turn Signals no longer working

    By EdJarHead,
    • 4 replies
    • 1.4k views

  17. About the parking brake cable

    By Spinnakerblue89,
    • 7 replies
    • 1.1k views

  18. Fuel Line to Fuel Rail leaking

    By RiversideMJ,
    • 6 replies
    • 1.6k views

  19. Idle air control and idle speed control

    By joeCor,
    • 3 replies
    • 821 views

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

    By Gojira94,
    • 6 replies
    • 1.3k views

  21. Engine to chassis short- cluster issues

    By RCdumbass,
    • 2 replies
    • 548 views

  22. AMC 2.5 to GM 2.5 swap

    By TFGgarage,   
    • 1 reply
    • 975 views

  23. What’s a good upgraded radiator?

    By Strokermjcomanche,
    • 10 replies
    • 1.9k views

  24. Help, no power at all. Electical issue.

    By Gradinen,
    • 9 replies
    • 1.2k views

  25. Gal here: Umm knocking under valve cover..87 mj autom 4x4

    By fiddlermj,
    • 2 replies
    • 674 views
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