1989 Honda FL400R Pilot Service Manual, Page 224Get this manual
BATTERYCHARGING SYSTEM Charging system failura
1-1Perform the leakage current inspection (page 17-7)I NORMAL
ABNORMAL
I 1-2Check the regulatorrectifier by itself (pagel 17-9)
2Start the engine and perform the regulated OVERCHARGED voltage inspection (page 17-B)I LOW VOLTAGE (SAME AS BATTERY VOLTAGE)
ABNORMAL
Open or short circuit
in black wire
REGULATED