Mercury 4.3 TKS series, Operation & Maintenance Manual

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Section 1 - Getting to Know Your Power Package
90-8M0113857
eng
DECEMBER 2015 Page 11
4. A 15‑amp accessory fuse is located on the rear of the engine. This fuse protects the accessory circuits.
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5. A 20‑amp fuse may be located in the ignition switch "I" terminal lead to protect the electrical system. Check for an open
fuse or an open circuit breaker if the ignition key is turned to the "START" position and nothing happens.
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6. The power trim system is protected from overload by a 110‑amp fuse and a 20‑amp spade fuse on the power trim pump.
The trim pump may also have an in‑line circuit protection device in the power trim positive lead near the battery switch or
battery connection.
a - 20‑amp spade fuse
b - 110‑amp fuse
a
b
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