Yamaha YFM7FGPW Service Manual page 155

CHECKING THE FUSES
2. Check:
• fuse
M MMM M MMM M M MMM
a. Connect the pocket tester to the fuse and
check the continuity.
NOTE:
_
Set the pocket tester selector to "Ω × 1".
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
b. If the pocket tester indicates "∞", replace
the fuse.
L LLL L LLL L L LLL
3. Replace:
• blown fuse
M MMM M MMM M M MMM
a. Set the main switch to "OFF".
b. Install a new fuse of the correct amperage.
c. Set on the switches to verify if the electrical
circuit is operational.
3 - 74
CHK
ADJ
M M MMM M M MMM M M MMM M
L L LLL L L LLL L L LLL L
M M MMM M M MMM M M MMM M
MMM
LLL
MMM