SECTION 7. TROUBLESHOOTING
Important: Whenever effecting a repair the reason for the cause of the problem must be investigated
and corrected to avoid repeating failure.
The following table lists problems and their possible causes with the recommended remedial action
1. LIGHTING SYSTEM
Inspect and renew.Check circuit before re-
connecting power
Blown fuseTurn signal
lights do not
illuminate
Check and renewInoperative flasher unit
Check and renewInoperative turn signal switch
Check and renew voltage regulator
(Alternator)
Faulty voltage regulatorLights burnt
out repeatedly
Inspect and renew.Check circuit before
reconnecting power
Burnt out fuse
Inspect,clean or renewDefective or corroded bulb contact
Check and renewBurnt out bulbIndividual
lights do not
illuminate
Check and renewDefective light switch
Check lighting Circuit wiring and repair or
renew
Faulty wiring
Inspect and renew.Check circuit before re-
connecting power
Burnt out fuse or fusible link
Check and ensure connectors securely
engaged
Loose wire harness connectors
Inspect ,secure,repair,or renew wiringLoose or broken wires
Check and renew voltage regulator
(Alternator)
Several light bulbs burnt out due
to defective voltage regulation
Inspect,clean, and tighten ground connectionPoor ground connection
Inspect,clean,and tighten connectionLoose or defective battery cable
connection
Inspect circuit,clean,and tighten connection.
Repair or renew wiring if necessary
Defective wiring or connections
Check battery and charge or renewDischarged battery
Several or all
lights do not
illuminate
CountermeasuresCausesProblems
10-14
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