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  1. B

    Thanks

    Thank you for all your help with the continuous warning horn, it turned out to be the sensor on the oil injection pump. so now I change the pump or I put the conversion kit on and hand mix the gas and oil. Thanks again
  2. B

    Continuous warning horn

    I have a 1997 Mercury 150 hp EFI with the warning horn on continuously, I changed everything I could think of still have the problem. I 99% sure I have a short somewhere, my question is could there be a short in the ignition switch? FYI I changed the water temp switch and sensor, water pump...
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