Page 99 - REPOWER REFERENCE GUIDE (2020)

Engine Harness
Typical non-DTS 14-pin boat harness, single station
1 - Key switch
2 - Not used on MerCruiser products
3 - Neutral start switch
4 - Audio warning alarm
5 - Alternate lanyard E‑stop (MPI only)
6 - Gauge connector (analog gauges) or SmartCraft digital gauges
7 - CAN V line
8 - CAN P resistor
9 - Oil pressure (CAN V +)
10 - Water temperature (CAN V –)
11 - Trim position (CAN X +)
12 - Horn (CAN X –)
13 - CAN P +
14 - CAN P –
15 - Spare
16 - Spare
17 - Tachometer
18 - Start
19 - E‑stop (MPI only)
20 - Wake
21 - Ground (–)
22 - 12 volts
23 - 3‑pin metri pack (female) for optional accessory wiring kit
24 - 3‑pin metri pack (male) for optional accessory wiring kit
25 - Ground (–)
26 - 12 volts (continuous)
27 - 12 volts (switched)
28 - Relay
29 - Key switch 6‑pin connector (female)
30 - Key switch harness
31 - Accessory power
32 - 12 volts
33 - Ground (–)
34 - Run
35 - Emergency stop
36 - Start
37 - Typical lanyard stop
Analog Gauge Harness

Drawing

8 2 1 - Connector to boat
1 9 3 harness
10 2 - Trim
4
3 - Tach
5 4 - Key on (+)
5 - Temp
6
6 - Oil
7 7 - Ground (–)
12312
8 - CAN (+) or spare
9 - CAN (–) or spare
10 - 12V (+)

90-8M0149179 eng NOVEMBER 2018 © 2019 Mercury Marine Page 4D-19