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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. Replaced Valve cover gasket, injectors and fuel filter, now misfiring randomly

    By Big_Mark,
    • 12 replies
    • 2.8k views

  2. 1988 Comanche hard to start in the Cold

    By SGT,
    • 12 replies
    • 1.8k views

  3. Lower dash A/C vent hose routing?

    By acfortier,
    • 7 replies
    • 1.4k views

  4. Fuel Pump / Sending Unit Replacement

    By Eriko5000,
    • 2 replies
    • 853 views

  5. Seals it split grommets

    By krustyballer16,
    • 7 replies
    • 1.5k views

  6. 95 AW4 swap in 89 Comanche

    By wid,
    • 8 replies
    • 1.8k views

  7. stranded - engine starts but bucks and stalls out 1 2 3

    By luckycamper,
    • 55 replies
    • 4.6k views

  8. 1988 Comanche, need rear bumper, will cherokee bumper fit?

    By matquecol,
    • 11 replies
    • 3.3k views

  9. Help Identifying a Hose

    By dhampt0n,
    • 2 replies
    • 958 views

  10. Wonky temp gauge

    By eaglescout526,
    • 16 replies
    • 1.1k views

  11. 87 sportruck no dash lights, turn signals, windshield wipers 1 2 3

    By Troubador530,
    • 51 replies
    • 6.3k views

  12. Jeep MJ project, guidance needed 1 2 3

    By RusellFromCanada,
    • 67 replies
    • 8.3k views

  13. 4x4 Conversion.. Is it worth it?

    By Eriko5000,
    • 23 replies
    • 2.8k views

  14. Trimmed Fender Flares

    By 89 MJ,
    • 2 replies
    • 895 views

  15. Random Startup Issue, Rough Idle, and Stalling

    By oleskool,
    • 7 replies
    • 915 views

  16. thoughts on how to preserve this crumpled paper...

    By Pete M,
    • 6 replies
    • 1.5k views

  17. rear Bilstein 5100 Shocks for 4” lift

    By VagaBond Comanches,
    • 0 replies
    • 657 views

  18. ZJ Steering Box Rebuild Confusion

    By Billabob,
    • 2 replies
    • 861 views

  19. Fan clutch

    By rylee144,
    • 4 replies
    • 1.2k views

  20. wiring help...

    By krustyballer16,
    • 2 replies
    • 729 views

  21. Back of Fuse Block

    By Michael Rice,
    • 9 replies
    • 1.4k views

  22. Brake booster upgrade. 1 2

    By jeeptec1,
    • 26 replies
    • 3.4k views

  23. Melted Wiring Harness 1 2

    By pfloyd32086,
    • 26 replies
    • 10.4k views

  24. Let's Play the game name that wire.

    By ExpatMJGuy,
    • 24 replies
    • 3k views

  25. B-pillar lights

    By bigalpha,
    • 12 replies
    • 2.1k views
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