E-Z-GO Golf Car Electric Motor Troubleshooting Table
Match the symptoms to the probable cause. This will allow you to correct the
problem with your E-Z-GO golf car electric motor.
Symptom
Cart Will Not Move
Cause of Problem
How to fix It
Key in 'OFF' position or no
direction selected Turn Key in 'ON' position and select direc-
tion
Batteries flat Charge
Batteries will not charge Replace batteries
Battery connection loose or
corroded Clean and torque connections
Faulty solenoid Replace
Faulty key switch Replace
Faulty microwitch MS2 at direc-
Replace microswitch
tion switch
Loose connector Tighten
Motor faulty Inspect and test continuity of field coils (S1
& S2) and armature (A1 & A2). Also test each
coil to ground testing for short. Repair or
replace motor as required.
ESC system faulty Test and replace components as required
Faulty ignition interlock system Replace
Cart Speed Erratic
Reverse Is Same
Speed As Forward
(Should Be Slower)
Noisy Motor
Batteries Will Not
Charge
Faulty DCS system Test and replace components as required
ESC system faulty Test and replace components as required
Faulty DCS system Test and replace components as required
ESC system faulty Test and replace components as required
Bearing damaged Replace
Commutator bar(s) raised Repair or replace motor
Motor mounts loose Torque
Faulty charger Repair or replace
Charging circuit faulty Repair
Damaged battery case Replace battery
Battery electrolyte level low Fill will electrolyte
Faulty battery Replace
AUGUST 2018
47