Lighting System
Lighting System xjcdadmin Mon, 05/17/2010 - 23:59LIGHTING SYSTEM
B. Lighting tests and checks The battery provides power for operation of the headlight, taillight, and meter lights. If none of the above operates, always check battery voltage before proceeding further. Low battery voltage indicates either a faulty battery, low battery water, or a defective charging system. See page 6-5 "CHARGING SYSTEM" for checks of battery and charging system. Also check fuse condition. Replace any "open" fuses. There are individual fuses for various circuits (see complete Circuit Diagram).
NOTE:
Check the headlight bulb first before performing the following check.
1. Headlight check
NOTE:
When the engine is started, the headlight and meter lights come on automatically and the lights stay on until the main switch is turned to "OFF" even if the engine stalls.
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HEADLIGHT DOES NOT COME ON WHEN ENGINE IS RUNNING |
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Check for voltage on "W" wire to headlight relay |
Check AC generator, diode, or wiring circuit |
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Check for battery voltage (12V) on "R/Y" wire to headlight relay |
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Check fuse "Head" or wiring circuit |
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Check for battery voltage (12V) on "L/B" wire from headlight relay |
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Replace headlight relay |
2. Taillight does not work:
a. Check bulb.
b. Check for 12V on blue wire.
c. Check for ground on black wire to tail/ brake light.
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HIGH BEAM AND/OR LOW BEAM DO NOT LIGHT |
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No voltage |
Dimmer switch defective |
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Check for battery voltage at dimmer switch terminal |
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Check for battery voltage at headlight high beam or low beam terminal |
No voltage |
Open or poor connection between headlight and dimmer switch terminal |
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2. Taillight does not work: a. Check bulb. b. Check for 12V on blue wire. c. Check for ground on black wire to tai brake light. |
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Poor ground or poor connection of headlight wiring |
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