7-16
4. Starting circuit cutoff relay
Disconnect the relay unit from the coupler.
Connect the pocket tester (Ω 1) and bat-
tery (12 V) to the relay unit terminals as
shown.
YES
Replace the relay
unit.
NO
Battery positive terminal red/black
Battery negative terminal
black/yellow
1
2
Tester positive probe blue/white
Tester negative probe black 3
4
Does the starting circuit cutoff relay have
continuity between black and blue/white?
5. Diode
Disconnect the starting circuit cutoff relay
from the coupler.
Connect the pocket tester (Ω 1) to the
starting circuit cutoff relay terminals as
shown.
Measure the starting circuit cutoff relay for
continuity as follows.
YES
Replace the relay
unit.
NO
Tester positive probe
light green
Tester negative probe
black/yellow
1
2
Continuity
NOTE:
When you switch the “–” and “+” leads of the
digital pocket tester the readings in the above
chart will be reversed.
Are the tester readings correct?
EAS00760
Tester positive probe
black/yellow
Tester negative probe
light green
2
1
No
continuity
ELEC
ELECTRIC STARTING SYSTEM
EAS00759