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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. Steering wheel doesn’t return to center

    By hgeranium,
    • 9 replies
    • 669 views

  2. 2.5-4.0 swap

    By Halton Smith,
    • 4 replies
    • 757 views

  3. Removing old heater/ac vac lines

    By hgeranium,
    • 5 replies
    • 320 views

  4. Fastener Cross Reference

    By JimiGibbs,
    • 3 replies
    • 280 views

  5. OEM Rear Brakes 1989 Comanche

    By Dal3,
    • 2 replies
    • 352 views

  6. 91 metric ton shocks?

    By vhfr1289,
    • 2 replies
    • 318 views

  7. Glasstite Cap

    By GrizzzzBear,
    • 11 replies
    • 3.1k views

  8. How to wire up a different alternator

    By Warren99,
    • 1 reply
    • 453 views

  9. Renix stumbling around 2300RPM - SOLVED IT!

    By Smash6,
    • 12 replies
    • 806 views

  10. 1989 Jeep Comanche not shifting when cold or electrical issue

    By Jack p,
    • 2 replies
    • 299 views

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

    By Warren99,
    • 4 replies
    • 412 views

  12. 86 speedometer cable question

    By ratrapp,
    • 6 replies
    • 418 views

  13. Identifying a rear axle for parts

    By PomPom,
    • 1 reply
    • 360 views

  14. Pics of the Auto Transmission mounting location

    By Eagle_SX4,
    • 4 replies
    • 246 views

  15. Wire Over Driver's Shoulder Above Seatbelt?

    By NickyV,   
    • 7 replies
    • 1k views

  16. Diagnosing Clutch Issues: Help/Advice Wanted

    By NickyV,   
    • 9 replies
    • 1.2k views

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

    By hgeranium,
    • 3 replies
    • 391 views

  18. Another Rear Bumper Question

    By JimiGibbs,
    • 3 replies
    • 285 views

  19. 16 gallon vs 23 gallon 1 2

    By eaglescout526,
    • 47 replies
    • 5.6k views

  20. Throttle body modification...

    By Master Guns,
    • 2 replies
    • 300 views

  21. OEM Rear Bumper Question

    By JimiGibbs,
    • 1 reply
    • 259 views

  22. Different radiator needed for engine swap

    By Warren99,
    • 2 replies
    • 322 views

  23. Voltage gauge inaccurate for anyone else?

    By hgeranium,
    • 3 replies
    • 361 views

  24. What are these vacuum lines?

    By Warren99,
    • 3 replies
    • 364 views

  25. Coolant Reservoir Tank Cap Question 1990 4.0

    By AnotherOldJeepGuy,
    • 17 replies
    • 1.4k views
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