MerCruiser 4.3L TKS Sterndrive Owner's Manual page 32

Section 2 - Getting to Know Your Power Package
1. A circuit breaker provides protection for the engine wiring harness and the instrumentation power lead. The circuit breaker
can be tested by pushing the red button. If the circuit breaker is functioning properly, the yellow lever will appear. Reset the
yellow lever after testing, or if tripped, by pushing the yellow lever back into the housing.
a
2. A 90 amp fuse is located on the large post of the starter solenoid. This fuse is designed to protect the engine wiring harness
if an electrical overload occurs.
3. A 15 amp accessory fuse is located on the rear of the engine. This fuse protects the accessory circuits.
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b
22529
Yellow lever style circuit breaker-typical
a - Yellow lever‑shown tripped
b - Red test button
mc74907-1
7524
90-8M0053265 NOVEMBER 2010