TYM T450 - Page 278

10-16
Check and renewDefective horn
Check and renewDefective horn switch
Inspect circuit,tighten connections,or renew
wiring
Loose or broken wires of
connections
Inspect and renew.Check circuit before re-
connecting power
Burnt out fuseInoperative
horn
CountermeasuresCausesProblems
3.GLOW SYSTEM
Check and renewDefective glow timerGlow monitor
light does not
illuminate
Inspect,Clean,or renewDefective or corroded glow plug
contacts
Check and renewDefective glow plugIndividual
glow plug
does not glow
See”Light system troubleshooting”Defective glow monitor light or
monitor and warning check unit
Inspect,secure,repair,or renew wiringLoose or broken wires
Check and renewDefective main switch
Check glow plug circuit wiring and repair
or renew
Faulty wiring
Inspect and renew.Check circuit before re-
connecting power
Burnt out fusible link
Check and ensure connectors securely
engaged
Loose wire harness connections
Inspect,clean,and tighten connectionsLoose or defective battery cable
connections
Check battery and charge or renewDischarged BatteryAll glow
plugs do not
heat red
CountermeasuresCausesProblems