1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 367Get this manual
LIGHTSMETERSSWITCHES Remove the speedometer, but do not discon nect the speedometer cOnrul'; tor (page 20 1)1 With the igniti()n switch OFF, measure th, vo'tage at the bottom of he speedometer terminalCOlllnOO1i,on: Red (+) and bgdv
Loosepo,or contaCt of related terminalO Open circuit in redblack wires between thec'ornbination meter and bane ry
gro'und H
Standa,rd: Battery vo1 ttage
Abnormal With the ign[tion switch ONmeasur'e the vo lt,age at the bottom of the- i)p Loose' or poor contact of related terminal Open cimuit in 81ackftlr, wn wires between the combination speedometer terminalmeter and batteryConnection: Blackbrown 1+) and body ground (+) Standard: Batter voltftg,e