1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 462Get this manual
DF4050 "K5" ('05) MODEL
INSPECTION
BATTERY CHARGE COIL Measure battery charge coil resistance09930-99320: Digital tester Tester range: (Resistance) 1Disconnect battery charge coil leads from rectifierregulator2Measure resistance between leads in the combinations shownBattery charge coil resistance: Terminal for tester probe connection Yellow to Yellow Yellow to Yellow Yellow to Yellow Resistance 0.56 0.84