2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 498Get this manual
LIGHTSSWITCHES (After '05)
SERVICE INFORMATION
GENERAL
All plastic connectors have locking tabs that must be released before disconnecting, and must be aligned when reconnecting To isolate an electrical failure, check the continuity of the electrical path through the partA continuity check can usually be made without removing the part from the vehicleSimply disconnect the connectors and connect continuity tester to the terminals or connections Check the battery condition before performing any inspection that requires proper battery voltage (TRX450ER only) The following color codes are used throughout this sectionBu :Blue Bl: Black Br: Brown G: Green Gr: Gray Lb: Light Blue Lg: Light Green 0: Orange P: Pink R:Red W: White Y: Yellow