Connections to the oil pressure switch/sender (part no 622-333) on FG Wilson generators are as follows.
Terminal G: Is the sender and wire “OP” should be connected to this terminal – with the wire disconnected, the terminal should read close to 10 ohms to ground with genset off.
Terminal WK: Is the switch and *wire “15” should be connected to this terminal – with the wire disconnected, the terminal should read less than 1 ohm to ground with genset off.
* Wire “15” will not be connected on 2300 & 2800 electronic engines, since the engine’s Electronic Control Module will control the low oil pressure shutdown.
Alex Cabrices
Service Advisor
FGW Latin America & Caribbean
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