Service manual
ST3000 Autopilot
ST3000 Autopilot Service Manual 83004-2 5
Fluxgate compass assembly
Remove the fluxgate assembly (see Figure 2).
The compass can be checked with a DVM as follows:
Connect meter across Resistance
1 and 2 <10 ohms
3 and 5 < 5 ohms
3 and 4 < 5 ohms
1 and 3 Open circuit
D4104-1
1
2
3
4
5
No connection
Figure 1. Fluxgate electrical connections