6.2L DTS Wiring Diagram
1 - MIL light
2 - OBD‑M fuses—2‑amp fuse across C and D, 20‑amp
fuse across A and B
3 - Starboard precatalyst wideband O2 sensor
4 - Starboard postcatalyst O2 sensor
5 - Port precatalyst wideband O2 sensor
6 - Fuel injector 6
7 - Fuel injector 8
8 - Fuel injector 4
9 - Fuel injector 3
10 - Fuel injector 2
11 - Fuel injector 1
12 - Fuel injector 7
13 - Fuel injector 5
14 - Fuel pump
15 - Fuel pump relay
16 - Engine fuses—20‑amp fuse across A and B, C and
D, and E and F—15‑amp fuse across G and H, and
in spare
17 - CAN P and CAN H resistors
18 - PCM clean power
19 - Analog tachometer signal
20 - To the 50‑amp circuit breaker
21 - 14‑pin connector
22 - CAN 2 trim resistor
23 - Starter solenoid
24 - Starter relay
25 - Main power relay
26 - Starter fuse
27 - Starter fuse to the 50‑amp circuit breaker
28 - Alternator excite circuit
29 - Camshaft position sensor
30 - Electronic throttle control (ETC)
31 - Crankshaft position sensor
32 - Chassis ground
33 - Trim up relay
34 - MerCathode
35 - Trim down relay
36 - Transom harness
37 - Digital oil pressure
38 - Paddle wheel and fuel tanks
39 - Digital sea pump pressure
40 - Coil pack 3
41 - Coil pack 4
42 - Coil pack 2
43 - Coil pack 1
44 - Port exhaust temperature sensor
45 - Oil lube
46 - Diagnostic
47 - Port postcatalyst O2 sensor
48 - Digital coolant sensor
49 - Electronic shift control (ESC)
50 - O2 sensor fuses—10‑amp fuses in all
51 - Starboard exhaust temperature sensor
52 - Analog gauges
53 - PCM ground
54 - J1939 diagnostic
55 - Temperature and manifold absolute pressure
(TMAP)
56 - PCM C
57 - PCM B
58 - PCM A
Color Diagrams
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 10A-5
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