Voltage Regulator/Rectifier Removal And Installation - Mercury 15 EFI FourStroke Service Manual

Charging and Starting Systems
DMT 2004 Digital Multimeter
NOTE: Due to manufacturing differences, meter internal polarity may vary from manufacturer to manufacturer. As a result, the
test readings may be a direct reversal of the readings specified. If so, reverse the meter leads and perform the test again.
A slight variance from the listed specification does not necessarily indicate a defective component.
Meter Test Leads
Black
White
Yellow
Red
Ground
IMPORTANT: Be certain to secure the wires with the reusable cable tie, prior to placing the engine back into service.

Voltage Regulator/Rectifier Removal and Installation

Removal
1.
Release the reusable cable tie that secures the voltage regulator/rectifier wires.
2. Disconnect the bullet connectors for the white, yellow, and red wires from the voltage regulator/rectifier.
3. Remove the two screws that secure the voltage regulator to the bracket, and remove the voltage regulator.
b
a
Installation
1. Attach the voltage regulator to its mounting bracket with two screws. Be certain to attach the ring terminal for the ground
(black) wire with one of the screws.
2. Tighten the screws to the specified torque.
Description
Voltage regulator mounting screws
3. Attach the three bullet connectors for the red, yellow, and white wires, to complete the electrical connections.
4. Secure the wires at the bullet connectors with the reusable cable tie.
Page 2B-10
Red
Red
Yellow
Ground
Red
White
Ground
Yellow
White
Ground
White
Yellow
Red
c
© 2018 Mercury Marine
91‑892647A01
Meter Scale
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
a - Bullet connectors
d b - Reusable cable tie
c - Voltage regulator mounting screws (2)
d - Voltage regulator ground (black) wire
c
62982
Nm
6.0
90-8M0125265 eng NOVEMBER 2017
Reading
OUCH
1.3–2.2 Ω
0.3–0.9 Ω
OUCH
1.3–2.2 Ω
0.3–0.9 Ω
0.3–0.9 Ω
0.3–0.9 Ω
0.7–1.3 Ω
1.2–1.8 Ω
1.1–1.8 Ω
OUCH
lb‑in. lb‑ft
53.1 –