Mercury 150 EFI Service Manual page 621

Typical SmartCraft System Monitor/Tachometer with System
Link Gauges 2002 Model Year
1. 8-Pin Digital Sensor Harness Extension, Connect
to 8-Pin SmartCraft Harness on Engine
2. Digital Speedometer Sensor
3. Digital Trim Sender
4. 6-pin Digital Sensor Harness
5. Connection for Analog Temperature Sender
6. Connection to Trim Relays
7. Connection for Analog Trim Sender
8. Remote Control Harness Connects to Engine Har-
ness
9. 10-Pin Control Area Network (CAN) Harness Con-
nects to Data Buss 10-Pin CAN Harness on En-
gine
10. Resistors within CAN Harness (120Ω 1/4W 5%)
11. Connections for Auxiliary Warning Horn for Depth
Sensor
12. Yellow Identifiers Marking Resistor End of CAN
Harness
13. Either System Monitor or System Tachometer is
Used. If System Tachometer is Used, Tachometer
Link Gauge is not Used
14. System Link Series Connection
15. 3-1/4 in. System Link Gauges (Tachometer and
Speedometer)
16. 2-1/4 in. System Link Gauges (Fuel, Temperature,
Trim etc.)
17. Plugged Series Connection for Additional System
Link Gauges
18. 4000 Series Mechanical Panel Control (MPC
4000)
19. Connections for Lanyard Stop Switch
20. Connection for Power Trim Switch
21. Connections for Neutral Start Safety Switch
22. Ignition Key Switch
23. Analog Tachometer Harness (Not Used on CAN
Installation)
24. Warning Horn
25. Analog Temperature Gauge Connection
26. Paddle Wheel/Lake/Sea Water Temperature
Sender
27. 4-Pin Digital Sensor Harness Connection to
Paddle Wheel
28. Digital Connections to Oil Sender
29. Digital Connections to Fuel Sender