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Southcoasting,
Our typical OPSS has two wires, not three. All it takes is 12V+ in from the ignition circuit and 12V+ out to the electric fuel pump. There is no reason for a ground wire.
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Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
Last edited by ndutton; 02-02-2012 at 09:42 AM.
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