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Chapter 4: Installing the Tiller Pilot 47
4 Installing the Tiller Pilot
• The tiller pilot requires its own dedicated power supply – it cannot
source its power from SeaTalk.
• Power should be taken directly from the boat’s central
distribution panel and protected with a 12 A fuse or equivalent
circuit breaker.
The following table shows the minimum cable size acceptable for the
power supply:
IMPORTANT:
Correct power cable size is critical for correct autopilot
operation. If in doubt, use a heavier gauge cable than specified. A
lighter gauge cable might cause a voltage drop between the
supply and the autopilot. This will reduce the power at the tiller.
SeaTalk cabling
CAUTION:
Protect the power supply for the SeaTalk 12 V (red) line with a
5 A fuse (or equivalent circuit breaker) fitted as close to the tiller
pilot as possible.
Cable length Copper area AWG
Up to 2.5 m (8 ft) 1.5 mm
2
16
Up to 4 m (13 ft) 2.5 mm
2
14
D366-2
Supply (0 V)
Supply (+12 V DC)12 A fuse
Socket
Yellow (SeaTalk data)
Screen (SeaTalk 0 V)
Red (SeaTalk 12 V)
with 5 A fuse
SeaTalk
instruments
SeaTalk
interface cable
81130_3.book Page 47 Wednesday, July 25, 2001 11:57 AM