B13 Check Voltage to Relay Coil

- Key ON. Measure voltage at Circuit 601 (LB/BK) on main relay connector.

- Key OFF.

- Is B+ present?

YES -- Replace relay. Retest.

NO -- Service open in circuit 601 (LB/BK) between splice and relay. Refer to mini-schematic. Go to B14. B14 Verify Concern Is Resolved