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My 2000 sport nautique with the gt40 motor is not priming the fuel pumps when I try to start it. I did jump the wire from the test on the back of the motor and they come on, but when i try to start it nothing. Any ideas?
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If your pumps are good it Sounds like a relay. -
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Had similar symptoms when I owned a 97 Ski with GT40. A good test is to turn the key from off to run without starting the engine. You should hear the low pressure fuel pump come on for a second or 2. Do this 10-15 times and the pumps should be heard EVERY time. If they fail to come on even once then the relay is not working right. I used to go through a set of relays annually on that boat.... never really knew the real cause, but would just replace them annually and I didn't have very many issues.Comment
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