MacDon M205 - Electrical Troubleshooting

214603 427 Revision A
6.2 Electrical Troubleshooting
Symptom
Problem
Solution Reference
Low voltage and/or
battery will not
charge
Defective battery
Have battery tested.
5.9.2 Battery, page
349
Low voltage and/or
battery will not
charge
Loose or corroded
connections
Clean and tighten battery
connections.
Maintaining
Batteries, page
349
Low voltage and/or
battery will not
charge
Defective alternator belt
Replace worn belt.
Replacing Fan
Belt, page 345
Low voltage and/or
battery will not
charge
Alternator or voltage regulator
not connected properly
Connect properly.
5.9.2 Battery, page
349
Low voltage and/or
battery will not
charge
Dirty or defective alternator,
defective voltage regulator, or
high resistance in circuit
Contact Dealer. Contact Dealer
Lights dim
Defective light switch Contact Dealer. Contact Dealer
Lights dim
High resistance in circuit or
poor ground on lights
Check the wiring circuit for a break in
a wire or a poor ground.
—
Lights do not light
Burned out or defective light
bulb
Replace light bulb.
Replacing
Headlight Bulb,
page 358
Lights do not light
Burned out or defective light
bulb
Replace light bulb.
Replacing Bulb in
Cab-Forward
Flood Light, page
363
Lights do not light
Burned out or defective light
bulb
Replace light bulb.
Replacing Bulb in
Rear Flood Light,
page 369
Lights do not light Broken wiring
Check wiring for broken wire or
shorts.
—
Lights do not light Poor ground on lights
Clean and tighten ground wires.
—
Lights do not light
Open or defective circuit
breaker
Check circuit breaker.
Accessing Circuit
Breakers and
Fuses, page 378
Lights do not light
Defective relay
Replace relay.
Replacing Circuit
Breakers and
Relays, page 380
Lights do not light
Defective light switch Contact Dealer. Contact Dealer
Turn signals or
indicators showing
wrong direction
Reversed wires
Contact Dealer. Contact Dealer
TROUBLESHOOTING