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  1. J

    starter wiring hookup SAE J1171

    I have a 1976 120 hp OMC- Pontoon boat that was recently rewired and having a significant battery drain with everything off. While running through a wiring diagram I obtained on this site AFTER the boat was rewired, I discovered that the battery drain could be related to the final destination of...
  2. J

    Severe battery drain - 1976 OMC 120 HP- GM inline engine

    I recently had my 28 ft. pontoon boat rewired, had the alternator rebuilt,had new gauges,buss bar,fused breaker panel, new gauges, and new battery installed ( marine 850 cranking amps with 125 reserve amps. While underway at 3,000 rpm, volt meter reading 13.5-14 which is fine. When I return to...
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