Mitsubishi FGC15K, Service Manual

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ELECTRICAL SYSTEM
3-11
Lighting System
Dead or weak battery Recharge or replace.
Fuses blown out Check and replace.
Open or short circuit Repair or replace.
Poor ground Clean ground spot and
re-make connection.
Filament burnt off in bulbs Replace.
Dead or weak battery Check and recharge.
Burned contact points in switches Repair or replace.
Loose terminals Retighten.
Dirty lenses Clean.
Waterdrops inside lenses Dry and replace packings.
Bulbs expired service life Replace.
Lighting switch defective Replace.
Bulbs burnt out Replace.
Turn signal switch defective Replace.
Turn signal relay defective Replace.
Turn signal relay defective Replace.
Bulbs burnt out Replace.
Wrong wattage of bulbs Replace.
Bulbs burnt out Replace.
Turn signal relay defective Replace.
Wrong wattage of bulbs Replace.
Turn signal relay defective Replace.
Backup lamp switch defective Correct if improperly
installed; replace if
internally defective.
Bulbs burnt out Replace.
Fuse blown out Check and replace.
Open or short in circuit Repair or replace.
Horn switch defective Replace.
Horn defective Replace.
Horn switch defective Replace.
Horn defective Repair.
Will not light
Lamps - general
Will light dimly
Head lamps Will not light
Will not flash
Will not go out
Turn signals
Will flash too
slow
Will flash too
fast
Will not give
blast of sound
Horn
Will give ugly
blast of sound
Back-up lamps
will not light
Other lamps