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  1. The Force power

    1978 Mercury 700 Control Box

    YES, I stand corrected! My apologies I was too focused on the shape of the plug & I did not see a wiring diagram for a 3 Cyl. 70 hp with that shape plug to post.
  2. The Force power

    1978 Mercury 700 Control Box

    This still shows with the distributor but I believe the Harness / wiring set-up for the most part are the same
  3. The Force power

    1978 Mercury 700 Control Box

    What is the serial#
  4. The Force power

    1978 Mercury 700 Control Box

    The larger motors will not have the same plug but yes, everything is possible to hook-up the wires direct. Jump wire into these terminals will fire the engine & to kill the engine pull the jumper-wire. Hook up some battery cables booster cables to the starter to crank the engine and take a...
  5. The Force power

    1978 Chrysler 85HP Powerhead Swap

    To guarantee to get it straight would involve to apply equal pressure divided across the head (impossible by hand) this is only good to clean/de-burr the surface of the head preventing from sanding dips in it. To "repair" a warped head it would have to be machined (if still possible)
  6. The Force power

    1978 Mercury 700 Control Box

    You can put a jumper wire in the left row's bottom to the one above to complete the ignition-circuit - to kill remove jumper These harnesses were used on 65hp / 3 cyl. also
  7. The Force power

    70s force 70... No reaction from key

    Nice, you're close to the lake I'm in Brampton
  8. The Force power

    70s force 70... No reaction from key

    NP I'm just passing on the knowledge I received in the past :)
  9. The Force power

    70s force 70... No reaction from key

    Yeah... the starter may have been dropped or been hammered (bad habit) to get it to crank. look for a good used (USA made) one. (most) cheap new ones ($85) are imports and are either no good or won't last inspect the old Starter to see if the brushes and armature are still good?? A lot of times...
  10. The Force power

    1984 Chrysler Force 125 (1258x4a) no spark/weak spark on #3&4 cylinders

    Welcome to Iboats, You take the reading across each blue and yellow pair while disconnected from the cd modules Force Three and Four Cylinder Engines Using Separate Switch Boxes and Ignition Coils (Continued) NO FIRE ON TWO CYLINDERS: If two cylinders from the same CD unit will not fire, the...
  11. The Force power

    Another Guy With Force 120 Issue

    Ooh....I hear ya, after 20+ year on the shop floor I can't crouch for more than 2 minutes either. If the boat is on the trailer, tilt the motor as far up as possible an wedge something in between so it stays get a chair to sit on when you undoing the bolts that way you spend the least amount of...
  12. The Force power

    Another Guy With Force 120 Issue

    What do you mean "I'm not able to tackle it" If you can pull the head off, replace the head-gasket/own a torque wrench to torque the bolts to proper spec. You can replace an impeller :) Jerry brought up very good scenarios to investigate Also.....(going on a limb here) if this is a '90 is the LU...
  13. The Force power

    70s force 70... No reaction from key

    This was when Jerry wore a younger man's clothes and me a diaper :D :D
  14. The Force power

    70s force 70... No reaction from key

    Yes . it seems to match up with the schematic you thought, like I said; sometime people add/change components that will work from different years. It interesting to see that they made Chrysler motors in Barrie, Ontario (about a hours drive from me)
  15. The Force power

    70s force 70... No reaction from key

    Well, check what Ignition system you have, send a pick of the ignition-system
  16. The Force power

    70s force 70... No reaction from key

    Judging by the Rectifier...I'd say it's the second pic. I send but many people have repaired/replaced parts on engines
  17. The Force power

    70s force 70... No reaction from key

    this?
  18. The Force power

    70s force 70... No reaction from key

    or this?
  19. The Force power

    70s force 70... No reaction from key

    What ignition-system do you have? this?
  20. The Force power

    Another Guy With Force 120 Issue

    There's a hidden bolt under the exhaust-snout, remove that first & followed by one from each side alternating to prevent binding-up. you may have to tap it to come loose & be ready they're not light
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