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  1. M

    no spark 1972 merc thunderbolt 288 6778

    i just replaced the switchbox, checked the coil and i am still getting no spark i found out the rectifier is all messed up the seal has been broken and it is corroded will that cause no spark????
  2. M

    1970-72 mercury thunderbolt 800/80hp sn:2886778 no spark

    hello there...... i have a few questions for anyone who can help me? 1970-72 mercury thunderbolt 800/80hp sn:2886778 no spark ok well ibought the motor from someone who said there was no spark. the first thing i did was replace most of the wires as i knew they would be corroded and i attemped...
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