CHECK HARNESS BETWEEN BATTERY AND IGNITION SWITCH CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from ignition switch.

3) Measure the voltage between ignition switch connector and chassis ground.

Connector & terminal

(B72) No. 3 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Repair the power supply circuit.