Mercury MerCruiser 4.3 TKS, User Manual

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Section 2 - Getting to Know Your Power Package
90-899883179 OCTOBER 2007 Page 21
Some controls also have a trailer button that trims the sterndrive to a position suitable for
trailer purposes only.
Dual Engine Trim/Trailer
NOTICE
If using external tie bars, raising or lowering the drives independently of each other can
damage the drive and steering systems. If using an external tie bar, raise and lower all
drives together as a unit.
Dual engine applications may have a single integral button to operate both sterndrive units
simultaneously or may have separate buttons for each sterndrive unit.
Some controls also have a trailer button that trims the sterndrives to a position suitable for
trailer purposes only.
Electrical System Overload Protection‑Carbureted Engines
If an electrical overload occurs, a fuse will blow or the circuit breaker will trip open. The
cause must be found and corrected before replacing the fuse or resetting the circuit
breaker.
NOTE: In an emergency, when the engine must be operated and the cause for the high
current draw cannot be located and corrected, turn off or disconnect all accessories
connected to the engine and instrumentation wiring. Reset the circuit breaker. If the breaker
remains open, the electrical overload has not been eliminated. Further checks must be
made on the electrical system. Contact your authorized dealer.
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.
b
a
22529
Yellow lever style circuit breaker‑typical
a - Yellow lever‑shown tripped b - Red test button