Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 209Get this manual
Armature Tests TEST FOR SHORTS
FIELD TESTS IMPORTANT: Commutator end of armature must be installed in brushes when performing the following
Check armature on Growler per the Growler manufacturer 's instructionsReplace armature if short is indicatedTEST FOR GROUND 1Use an hmmeter (Rx scale)Connect one lead on
testsOhmmeter Leads Between
Green and Blue Molor Wires
Resistance (Ohms)
Scale Reading (x I
armature shaft and other lead on commutatorIf continuity is indicated, armature is groundedReplace ar matureGreen and Black Motor Wires
Blue and Black Motor Wires Black Molor Wire, and Frame (Motor Housing) Green Motor Wire and Fram Blue Motor Wire and Frame