Garmin GHP 12 Reference Manual
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GHP 12 Drive Unit and Rudder Feedback Unit Wiring Reference
This document contains common drive unit and rudder feedback unit wiring connections on a variety of drive units and rudder feedback units.
This document is for reference only, and Garmin is not responsible for its contents or for the consequences of following the suggestions included below.
Connections are subject to change at any time and Garmin is not responsible for updating any of the information or suggestions included below. Use the
information and suggestions included in this document at your own risk.
For the most reliable connection information available you must consult your drive unit or rudder manufacturer before wiring the GHP 12.
Drive Units
Manufacturer
Motor (+)
(Red)
Raymarine™
Red
Octopus™
Red
Jefa™
Red
Hy-Pro™
Red
LeComble & Schmitt™
Red
Lewmar™
Blue
3-Wire Rudder Feedback Units
Manufacturer/Model
5 Vdc (Red) Ground
Raymarine
Red
Octopus
Red
Simrad™ SLF 12
n/a
Vetus™
TMQ™
Red
Teleflex™ Smartstick
Red
LeComble & Schmitt
Blue
2-Wire Rudder Feedback Units
To use a 2-wire rheostat
for rudder feedback, you must add an external resistor
➊
Manufacturer
Resistance
VDO™
180 ohms
Motor (-)
Clutch (+)
Clutch (-)
(Black)
(Blue)
(White)
Black
Red
Blue
Black
Green
White
Black
Red
Black
Black
Red
Black
Purple
n/a
n/a
Black
Blue
Brown
Feedback Signal
(Black)
(Yellow)
Green
Blue
Black
White
Black
White
Blue
Green
Black
White
Brown
Yellow
➊
➋
Notes
Notes
Clutch requires LeComble & Schmitt connector
Notes
SLF 12 requires 12 V supply. Connect the red wire on SLF 12 to an external 12 V power source.
To use Vetus feedback, remove the circuit board and connect the Garmin cable directly to the
potentiometer.
Set all switches to ON.
of equal resistance to the feedback unit, as shown in the following diagram.
➋
Wire
➊
➊
➋
➋
➌
➌
Color
Black
Yellow
Red