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Killing battery

jcoop

New member
"Yamaha 200 hp 2003 Saltwater

"Yamaha 200 hp 2003 Saltwater Series, fuel inj. 2 stk, 350 hrs, two batteries, port and starboard switch, new battiers, motor quits while running, switch to starboard battery starts and runs fine. Happened twice on 2 new port batteries which then failed load test. Have new switch and connections look good. Any help appreceiated."
 
"BAD VOLTAGE REGULATOR. MOTOR

"BAD VOLTAGE REGULATOR. MOTOR RUNS UNTIL FUEL PUMP KILLS THE BATTERIES. ONCE THERE IS NO VOLTAGE LEFT FOR THE FUEL PUMP TO RUN THE MOTOR SHUTS OFF. THUS WHEN U ADD POWER THE PUMP RUNS AND SO DOES THE MOTOR. MOTOR IS NOT CHARGING BATTERY, NEEDS NEW VOLTAGE REGULATOR."
 
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