2001-2003 Honda TRX500FA Factory Service Manual, Page 386Get this manual
HONDAMATIC INSPECTION Di scon nect the ECM 34P connectorCheck for con in ui ty between the ECM connecto term inals in each switch posit ionContin uity should exist between th color cod ed ires as follows:
Position Up
White blue
-;If the continuity is abnorma l, re move the left inne fend er (page 2-6)Remove the handlebar switch lOP (g reen) connector from the ram and isconnect itPerform the nspect ion at the lOP co nnector the same manner as the previous step If he contin uity at the ECM is abnormal and continuity at the OP co nnector is normal, check for open or short circuit loose or poor connector contactHA DLEB SWI TC 10P CONN ECTO R