Yamaha FZR400 1988-1989 Service Manual page 339

Turn the main switch to "ON".
??
??
Check for voltage (12V) on the "Black/
White" lead at the bulb socket connector.
??
Check the bulb and bulb socket for conti-
2. Voltage
the Pocket Tester (DC20V) to the
bulb socket connector.
Tester (+I Lead + Blue @ Lead
Tester (-1 Lead + Black @ Lead
Turn the main switch to "ON".
??
??
Check for voltage (12V) on the "Blue" lead
at the bulb socket connector.
This circuit is good.
CONTINUITY
L l
2
c l
MEETS
SPECIFICATION (12V)
I
LIGHTING SYSTEM -1
OUT OF SPECIFICATION
4. Wiring connection
Check the entire lighting system for
connections.
Refer to the "WIRING DIAGRAM"
section.
Replace bulb and/or bulb socket.
OUT OF SPECIFICATION
Check the entire lighting system for
connections.
I
Refer to the "WIRING DIAGRAM"
section.
8 - 4 6
I