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  1. M

    Looking for a AlphaOne Service Manual.

    Fantastic! Just what I was looking for! Thanks!!
  2. M

    Mercruiser 170hp 470 no spark

    Has Solid State conversion and runs great except for the intermittent issue
  3. M

    Mercruiser 170hp 470 no spark

    Well...After shifting between forward and reverse (Reverse isn't working) The issue is back. Looks like I need shift cable adjustment and work on the interrupt switch setup. I am looking for good info on adjustment/repair.
  4. M

    Looking for a AlphaOne Service Manual.

    Need info on shift cable adjustment and also the interrupt switch setup. Thanks!
  5. M

    Mercruiser 170hp 470 no spark

    Crazy, The problem seems to have resolved itself. It starts fine now with the wire reconnected. I didn't see any voltage on that wire when cranking so I reconnected it and all is well. I don't trust that it will stay well now though.
  6. M

    Mercruiser 170hp 470 no spark

    So...once the boat is running I can re-connect that wire going to the negative side of the coil and the boat keeps running well and the tach works. I am going to see if that wire is being energized with 12V when the key is in the start position...Will report back
  7. M

    Mercruiser 170hp 470 no spark

    Bought a boat with the 170hp 4 cylinder that ran great when I looked at it. Brought it home and no spark! Found that if I removed a wire from the negative side of the coil I had spark again. The schematic shows that wire going to the tachometer and when disconnected the tach doesn't work. but I...
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