Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 637Get this manual
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18-Pin Digital Sensor Harness Extension, Connect to 8-Pin SmartCraft Harness on Engine 2 Digital Speedometer Sensor 3 Digital Trim Sender 46-Pin Digital Sensor Harness 5 Connection for Analog Temperat