Yamaha F20A Service Manual

8-31
–+
ELEC
E
POWER TRIM AND TILT (PTT) CONTROL SYSTEM
FUSE
Refer to “STARTING SYSTEM”.
BATTERY
Refer to “GENERAL” in chapter 3.
TRAILER SWITCH
1. Check:
● Continuity
No continuity → Replace.
Switch
position
Lead color
Sky
blue
Red
Light
green
Up
Free
Down
PTT RELAY
1. Check:
● Continuity
Out of specification → Replace.
PTT relay continuity:
Sky blue (Sb) – Black (B)
Light green (Lg) –
Black (B)
Continuity
Terminal 1 – Terminal -
Terminal 2 – Terminal -
Continuity
Terminal 1 – Terminal +
Terminal 2 – Terminal +
No continuity

Yamaha F20A Specifications

General

Brand	Yamaha
Model	F20A
Category	Outboard Motor
Language	English