Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 156Get this manual
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WIRING DIAGRAMS
TANWHT TANBLK
NOTE: ANY INSTRUMENT WIRING HARNESS LEADS NOT USED MUST BE TAPED BACK TO THE HARNESSSpeedometer Tachometer TemperatureOil Volt Meter Warning Pan