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  1. M

    1983 merc 70hp no fire

    we replaced the rectifier because it had continuity to ground. i found a wire going to the trigger that was only hanging on by a couple threads, so i was able to replace most of it. it was white with a black stripe. is it possible that bad wire could have damaged the trigger. i only have a...
  2. M

    1983 merc 70hp, no spark

    I have tested the rectifier and found it to be faulty. But would this prevent spark?
  3. M

    mercury ignition switch box

    how can i check this box to see if it is bad ? its a 1983 merc. 70hp. the boat was running fine , then i shut it off and it wouldnt start again. i have no fire from any of the 3 coils. thanx mike
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