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TEST ACTION APPLICABILITY 4 Measure the resistance of the Front Locker Relay Output circuit between the PDC All Yes → Repair the Front Locker Relay Output circuit for an open. Perform BODY VERIFICATION TEST - VER 1. No → Go To 5 5 Turn the ignition off. All Yes → Repair the Front Locker Pump Ground circuit for an open. Perform BODY VERIFICATION TEST - VER 1. No → Go To 6 6 Turn the ignition on. 9LOW9 range. Depress the Axle Lock Switch once. All Yes → Go To 7 No → Refer to Differential/Driveline for the related symptom(s). Perform BODY VERIFICATION TEST - VER 1. 7 Turn the ignition off. All Yes → Repair the Front Locker Indicator Switch Sense circuit for an open. No → Go To 8 8 Turn the ignition off. All Yes → Repair the Front Locker Indicator Switch Ground circuit for an open. No → Refer to Differential/Driveline information for the related symp- tom(s). 39 BRAKES (CAB) *FRONT AXLE LOCK INDICATOR REMAINS FLASHING — Continued |