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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.

32694 topics in this forum

  1. Renix stumbling around 2300RPM - SOLVED IT!

    By Smash6,
    • 12 replies
    • 948 views

  2. 1989 Jeep Comanche not shifting when cold or electrical issue

    By Jack p,
    • 2 replies
    • 363 views

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

    By Warren99,
    • 4 replies
    • 489 views

  4. 86 speedometer cable question

    By ratrapp,
    • 6 replies
    • 483 views

  5. Identifying a rear axle for parts

    By PomPom,
    • 1 reply
    • 398 views

  6. Pics of the Auto Transmission mounting location

    By Eagle_SX4,
    • 4 replies
    • 293 views

  7. Wire Over Driver's Shoulder Above Seatbelt?

    By NickyV,   
    • 7 replies
    • 1.1k views

  8. Diagnosing Clutch Issues: Help/Advice Wanted

    By NickyV,   
    • 9 replies
    • 1.3k views

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

    By hgeranium,
    • 3 replies
    • 441 views

  10. Another Rear Bumper Question

    By JimiGibbs,
    • 3 replies
    • 337 views

  11. 16 gallon vs 23 gallon 1 2

    By eaglescout526,
    • 47 replies
    • 5.9k views

  12. Throttle body modification...

    By Master Guns,
    • 2 replies
    • 347 views

  13. OEM Rear Bumper Question

    By JimiGibbs,
    • 1 reply
    • 303 views

  14. Different radiator needed for engine swap

    By Warren99,
    • 2 replies
    • 371 views

  15. Voltage gauge inaccurate for anyone else?

    By hgeranium,
    • 3 replies
    • 447 views

  16. What are these vacuum lines?

    By Warren99,
    • 3 replies
    • 423 views

  17. Coolant Reservoir Tank Cap Question 1990 4.0

    By AnotherOldJeepGuy,
    • 17 replies
    • 1.5k views

  18. 86 cluster indicator light panel wiring diagram?

    By coheed,
    • 2 replies
    • 303 views

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

    By Gojira94,
    • 1 reply
    • 393 views

  20. New parking brake fix? 1 2

    By cruiser54,
    • 33 replies
    • 8.1k views

  21. Sudden drop in MPG

    By hgeranium,
    • 6 replies
    • 476 views

  22. 87-92 Tail light harness connector source!

    By schardein,
    • 7 replies
    • 2.4k views

  23. Dana 35 Rebuild Questions

    By Yellowoctupus,
    • 13 replies
    • 3.2k views

  24. Custom door cards

    By Aidenmoreno3,
    • 10 replies
    • 1.2k views

  25. Pulled the trigger on the Oracle Tail Lights

    By BentGear,
    • 5 replies
    • 1k views
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