Garmin GHP 12 Reference Manual
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)
Motor (-)
(Black)
Clutch (+)
(Blue)
Clutch (-)
(White)
Notes
Raymarine™
Red
Black
Red
Blue
Octopus™
Red
Black
Green
White
Jefa™
Red
Black
Red
Black
Hy-Pro™
Red
Black
Red
Black
LeComble & Schmitt™
Red
Purple
n/a
n/a
Clutch requires LeComble & Schmitt connector
Lewmar™
Blue
Black
Blue
Brown
3-Wire Rudder Feedback Units
Manufacturer/Model
5 Vdc (Red) Ground
(Black)
Feedback Signal
(Yellow)
Notes
Raymarine
Red
Green
Blue
Octopus
Red
Black
White
Simrad™ SLF 12
n/a
Black
White
SLF 12 requires 12 V supply. Connect the red wire on SLF 12 to an external 12 V power source.
Vetus™
To use Vetus feedback, remove the circuit board and connect the Garmin cable directly to the
potentiometer.
TMQ™
Red
Blue
Green
Teleflex™ Smartstick
Red
Black
White
LeComble & Schmitt
Blue
Brown
Yellow
Set all switches to ON.
2-Wire Rudder Feedback Units
To use a 2-wire rheostat
➊
for rudder feedback, you must add an external resistor
➋
of equal resistance to the feedback unit, as shown in the following diagram.
➊
➋
➌
➋
➊
Wire
Color
➊
Black
➋
Yellow
➌
Red
Manufacturer
Resistance
Notes
VDO™
180 ohms