Ski-Doo Ski Doo MX Z 2005 [64/1429] Section 02 troubleshooting subsection 04 electrical system

Ski-Doo Ski Doo MX Z 2005 [64/1429] Section 02 troubleshooting subsection 04 electrical system
Section 02 TROUBLESHOOTING
Subsection 04 (ELECTRICAL SYSTEM)
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 Vdc.
NOTE: If quartz halogen bulb is involved, ensure that proper voltage regulator is installed.
a. Excessive voltage in lighting circuit.
Replace voltage regulator and ensure proper grounding. Retest.
SYMPTOM HEADLAMP DIMMING.
CONDITION NORMAL USE
1. Check voltage at headlamp at different speeds. It must not be below 11 Vdc.
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 regulator ground.
a. Rusted or loose retaining screws.
Clean, apply lithium grease (LMZ1) and firmly tighten screws.
3. On (fan-cooled 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 (BLACK wire or chassis) or to any DC hot wire (RED
or RED/BLUE). Disconnect and reconnect to AC current (YELLOW and YELLOW/BLACK wires). Refer to
the appropriate section.
5. Check if 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 recommended 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. BRP 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.
TEST/INSPECTION
8. Check if heating grips installation overloads the magneto capacity.
a. Excessive electrical load to magneto/generator.
Reduce the electrical load by removing accessories.
40 MMR2005-066

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