Power Circuits (S80)

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Check fuse 11 B/18 in main fuse box. See Figure. If the fuse is blown check the circuit after the fuse for a short-circuit to ground. Check fuse 11/B14 in main fuse box. If the fuse is blown check the circuit after the fuse for a short-circuit. Check power supply to ECM terminals A70 and B11. Voltage should be approximately battery voltage.