Yamaha F30A Service Manual page 261

É
È M model
É E and W model
10. Connect the yellow/red (Y/R) lead (M
model) or yellow (Y) lead (E and W
model) to the positive penlight battery
terminal (1.5 V)
pink/white (P/W) lead to the negative ter-
minal, and then check that the oil pres-
sure warning indicator
Replace the warning indicator assembly
if it does not come on.
È
Y/R
P/W
É
P/W
È M model
É E and W model
67C3K11
Y
P/B
S67C8073
and connect the
comes on.
+
-
S67C8077
Y
S67C8075
Engine electric control system
CAUTION:
• Only use a penlight battery (1.5 V) when
checking the LEDs. Other batteries (e.g.,
alkaline batteries or high-voltage batter-
ies) will damage the diodes.
• Do not apply more than 1.7 V to the
leads when checking the LEDs.
NOTE:
A feature of LEDs is that they only allow cur-
rent to flow in one direction.
1
2
3
4
5
6
7
8
9
8-24