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SECTION - 7
MerCruiser models require a separate trim harness from the trim control to power the trim pump
connection.
A Y‑harness is available with adapters to connect the dual helm power trim harnesses together to
connect to the power trim pump.
Use the power trim adapter harness for the single helm harness connection.
For dual helm installation, use a power trim extention harness from the upper and lower helm to
a Y‑harness.
An adapter connects the Y‑harness to the power trim pump, (The original hog nose Y‑harness).
Power trim Y‑harness
NEUTRAL SWITCH
The neutral switch connects to the remote control.
On dual‑helm installations, the lower and the upper station controls need a neutral safety switch.
LANYARD STOP SWITCH
PPL and PPL/WHT wires are connected together through a normally closed stop switch.
Pulling the lanyard trips the switch, opens the circuit, and interrupts the power to the engine, ECM,
or ignition system to shut off the engine.
90-899883183 DECEMBER 2007
Power trim adapter harness
Power trim extention harness
25171
STARTING AND ELECTRICAL
25166
25168
25172
Power trim adapter harness
Page 7 / 22
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