Yamaha TDM850 1996 Service Manual page 305

4. Auxiliary light does not come on.
1. Voltage
S Connect the pocket tester (DC 20 V) to the
bulb socket connector.
Tester (+) lead ! Blue/Red lead
Tester (–) lead ! Black lead
S Turn the main switch to "ON".
S Turn the light switch to "ON" or "PO" position.
S Check for voltage (12 V) on the "Blue/Red"
lead at the bulb socket connector.
This circuit is good.
1
2
MEETS
SPECIFICATION
LIGHTING SYSTEM
OUT OF SPECIFICATION
Wiring circuit from main switch to bulb socket
connector is faulty, repair.
8-29
ELEC