1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 293Get this manual
BA TTERY ICHARGING SYSTEM
REGULATORRECTIFIER
SYSTEM INSPECTION
Remove the seat and left side cover (page 2-3)Disconnect the regulator rectifier connector, and check it for loose contact corroded terminals,_-
REGULATORRECTIFIER CONNECTOR
If the regulated vo ltage reading (se page 16-6) is out of the specification, measure th voltage between connector terminals (wire harness side) as follows: Item Battery charging line Charging coi li ne Ground line Terminal Red+and ground-Yellow and Yellow Green and ground Specification Battery vo ltage should register