Lighting System Check - Yamaha TDM850 1996 Service Manual

LIGHTING SYSTEM CHECK

1. Headlight and high beam indicator light does
not come on.
1. Voltage
S Connect the pocket tester (DC 20 V) to the
headlight and high beam indicator light cou-
plers.
A
When dimmer switch is "LO" position.
B
When dimmer switch is "HI" position.
Headlight connector.
S Turn the main switch to "ON".
S Turn the lights switch to "ON" position.
S Turn the dimmer switch to "LO" or "HI" position.
S Check for voltage (12 V) on the "Green" and
"Yellow" lead at bulb socket connectors.
This circuit is good.
MEETS
SPECIFICATION
LIGHTING SYSTEM
Headlight:
Tester (+) lead ! Yellow
Tester (–) lead ! Black
High beam indicator light:
Tester (+) lead ! Yellow
Tester (–) lead ! Black
B
Meter connector
Dimmer switch
Hi
Lo
OUT OF SPECIFICATION
Wiring circuit from main switch to bulb socket
connector is faulty, repair.
8-27
ELEC
1 or Green lead.
2
3
lead.
4 lead.
5 lead.
Headlight