TOHATSU 40 Service Manual page 221

SECTION 7
To prevent possible arcing of high voltage, route
tester leads at least 2 in [51 mm] from any metal
surface.
Ground unused test leads to a clean engine ground.
5. Set the tester to "400" on the "DVA" scale.
6. Insert the banana plug of the RED tester lead into the meter
connection labeled "DVA" and the banana plug of the BLACK tester
lead into the meter connection labeled "-COM".
7. Connect the BLACK tester lead to terminal (3).
8. Carefully slide the RED tester into the bullet
25 26
connector [terminal (4)] sleeve until it makes contact
with the terminal.
7-42
NOTE
T1483
3-/ 4-Cylinder