Troubleshooting

Illustration 46 g02731945
View of the pin locations on the P1 connector for the
starting motor relay
(8) Start signal
(27) Starting motor relay return
(53) Starting motor relay control
The following background information is related
to this procedure:
When the keyswitch is turned to the START position,
a signal is sent to pin P1:8 on the engine ECM.
Power is supplied from P1:53 to the starting motor
relay.
The starting motor relay supplies battery power to the
relay solenoids in the starting motor. This internal
relay provides high current battery voltage to the
starting motor.
UENR0612-07 181
Circuit Tests
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