Section 03
TROUBLESHOOTING
Sub-Section 04
(ELECTRICAL SYSTEM)
03-04-4
SYMPTOM
HEADLAMP NOT LIGHTING.
CONDITION
WHITE BULB.
Test / Inspection
1. Check bulb.
a. Gas leak.
Replace bulb.
CONDITION
BROKEN ELEMENT.
Test / Inspection
1. Check for loose headlamp housing and bulb socket.
a. Vibration problem.
Tighten headlamp mounting screws. Lock bulb in socket. Replace bulb.
CONDITION
MELTED FILAMENT (ENDS OF ELEMENT HOLDER) AND BLACK BULB.
Test / Inspection
1. Check voltage at headlamp at different speeds. It must not be above 15 VAC.
NOTE :
If quartz halogen bulb is involved, ensure that voltage regulator P / N
410 9089 00 is used.
a. Excessive voltage in lighting circuit.
Replace voltage regulator and ensure proper grounding. Retest.
SYMPTOM
HEADLAMP DIMING.
CONDITION
NORMAL USE.
Test / Inspection
1. Check voltage at headlamp at different speeds. It must not be below 11 VAC.
a. Insufficient voltage in lighting circuit.
Replace voltage regulator and retest.
2. Visually inspect wiring harness for damaged and / or melted wires and / or bad
wire terminal crimping and / or connections.
a. Heating, rotating or sharp part in contact with harness. Improper harness routing.
Repair / replace damaged wires and / or terminals. Reroute harness where necessary.
3. On manual start models : Verify if there is an interconnection between AC and
DC current.
a. Rusted or loose retaining screws.
Clean, apply lithium grease (LMZ1) and firmly tighten screws.
4. On electrical start models : Verify if there is an interconnection between AC and
DC current.
a. Faulty installation of optional equipment.
Find optional equipment connected directly to DC ground (BK wire or chassis) or to any DC
hot wire (RD, RD / BL). Disconnect and reconnect to AC current (YL and YL / BK wires).
5. Verify of optional electric accessories are overloading the magneto / generator.
a. Excessive electrical load to magneto / generator.
Reduce the electrical load by removing excess accessories. Reconnect as recom-
mended by manufacturer.
6. Hot Grips brand : Verify if they were connected in parallel by mistake.
a. Excessive electrical load to magneto / generator.
Reconnect as recommended by manufacturer.
7. Bombardier heating grips : Verify if the return wires of the elements were
grounded to the chassis by mistake.
a. Faulty installation of optional equipment.
Reconnect as recommended by manufacturer.
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