Triple-Engine, Dual-Helm (TEDH) Joystick Piloting (JP)
Helm Architecture
21 21
20 20
19 22 23 19 22 23
4 4
18 18
3 17 17
16 16
15 15
X
14 28 14
13 13
6 12 12
5
11
2 11 30
8
11
X
7 28
31
5
24
10 10
9
25 28 29
X H
26
26
1
Page 6B-9.1 27
90-8M0161677 71180
Triple-Engine, Dual-Helm (TEDH) Joystick Piloting (JP)
Helm Architecture
21 21
20 20
19 22 23 19 22 23
4 4
18 18
3 17 17
16 16
15 15
X
14 28 14
13 13
6 12 12
5
11
2 11 30
8
11
X
7 28
31
5
24
10 10
9
25 28 29
X H
26
26
1
Page 6B-9.1 27
90-8M0161677 71180
Helm Architecture Diagrams: Dual Helm
TEDH Joystick/ESH - Dual Console ERC
1 - 14‑pin data harness (to starboard engine)
2 - 14‑pin data harness (to center engine)
3 - 14‑pin data harness (to port engine)
4 - Gauge power relay
5 - Multiple helm link harness (outer)
6 - Multiple helm gauge power link harness
7 - Multiple helm link harness (inner)
8 - Triple‑engine, lower‑helm harness
9 - Accessory power
10 - Junction box
11 - Ignition key switches
12 - Lanyard stop switch
13 - Lanyard diode pack
14 - Gray ERC connector (center)
15 - Brown ERC connector (port)
16 - Green ERC connector (starboard)
17 - Blue ERC connector (CAN P)
18 - Warning horn
19 - CAN H adapter (orange)
20 - Joystick
21 - Electric steering helm
22 - CAN P adapter (blue)
23 - Triple‑engine ERC (dual console)
24 - Diagnostic port
25 - VesselView link
26 - Multifunction display
27 - NMEA® 2000 network
28 - CAN X terminators
29 - CAN H terminator
30 - Triple‑engine, upper‑helm harness
31 - GPS/IMU assembly
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6B-9
Helm Architecture Diagrams: Dual Helm
QEDH DTS - Dual Console ERC
1 - 14‑pin data harness (to starboard engine)
2 - 14‑pin data harness (to starboard inner engine)
3 - 14‑pin data harness (to port inner engine)
4 - 14‑pin data harness (to port engine)
5 - Gauge power relay
6 - Multiple helm link harness (outer)
7 - Multiple helm gauge power link harness
8 - Multiple helm link harness (inner)
9 - Quad‑engine, lower‑helm harness
10 - Accessory power
11 - Junction box
12 - Ignition key switches
13 - Lanyard stop switch
14 - Lanyard diode pack
15 - Black ERC connector (port inner)
16 - Gray ERC connector (starboard inner)
17 - Brown ERC connector (port)
18 - Green ERC connector (starboard)
19 - Blue ERC connector (CAN P)
20 - Warning horn
21 - Quad‑engine ERC (dual console)
22 - Diagnostic port
23 - CAN X terminator
24 - CAN H terminator
25 - Quad‑engine, upper‑helm harness
Page 6B-10 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Quad-Engine, Dual-Helm (QEDH) DTS
Helm Architecture
5 21 5 21
20 20
4
19 19
18 18
X
17 17
23
16 16
15 15
23
X
14 14
7 13 13
6
8
3
12
12
9 25
12
12
2
8
6
22
X
23
11 11
10
23 24
X H
1
Page 6B-10.1
90-8M0161677 71183
Quad-Engine, Dual-Helm (QEDH) DTS
Helm Architecture
5 21 5 21
20 20
4
19 19
18 18
X
17 17
23
16 16
15 15
23
X
14 14
7 13 13
6
8
3
12
12
9 25
12
12
2
8
6
22
X
23
11 11
10
23 24
X H
1
Page 6B-10.1
90-8M0161677 71183
Quad-Engine, Dual-Helm (QEDH) Joystick Piloting (JP)
Helm Architecture
23 23
22 22
5 21 24 25 5 21 24 25
20 20
4
19 19
18 18
X
17 17
30
16 16
15 15
30
X
14 14
7 13 13
6
8
3
12
12
9 32
12
12 33
2
8
6
26
X
30
11 11
10
27
30 31
28
X H
28
1
Page 6B-11.1 29
90-8M0161677 71182
Quad-Engine, Dual-Helm (QEDH) Joystick Piloting (JP)
Helm Architecture
23 23
22 22
5 21 24 25 5 21 24 25
20 20
4
19 19
18 18
X
17 17
30
16 16
15 15
30
X
14 14
7 13 13
6
8
3
12
12
9 32
12
12 33
2
8
6
26
X
30
11 11
10
27
30 31
28
X H
28
1
Page 6B-11.1 29
90-8M0161677 71182
Helm Architecture Diagrams: Dual Helm
QEDH Joystick/ESH - Dual Console ERC
1 - 14‑pin data harness (to starboard engine)
2 - 14‑pin data harness (to starboard inner engine)
3 - 14‑pin data harness (to port inner engine)
4 - 14‑pin data harness (to port engine)
5 - Gauge power relay
6 - Multiple helm link harness (outer)
7 - Multiple helm gauge power link harness
8 - Multiple helm link harness (inner)
9 - Quad‑engine, lower‑helm harness
10 - Accessory power
11 - Junction box
12 - Ignition key switches
13 - Lanyard stop switch
14 - Lanyard diode pack
15 - Black ERC connector (port inner)
16 - Gray ERC connector (starboard inner)
17 - Brown ERC connector (port)
18 - Green ERC connector (starboard)
19 - Blue ERC connector (CAN P)
20 - Warning horn
21 - CAN H adapter (orange)
22 - Joystick
23 - Electric steering helm
24 - CAN P adapter (blue)
25 - Quad‑engine ERC (dual console)
26 - Diagnostic port
27 - VesselView link
28 - Multifunction display
29 - NMEA® 2000 network
30 - CAN X terminator
31 - CAN H terminator
32 - Quad‑engine, upper‑helm harness
33 - GPS/IMU assembly
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6B-11
Helm Architecture Diagrams: Dual Helm
Notes:
Page 6B-12 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Helm Architecture Diagrams: Triple Helm
System Architecture Diagrams
Section 6C - Helm Architecture Diagrams: Triple Helm
Table of Contents
SETH DTS ‑ Single Console ERC.....................................6C-4 TETH DTS ‑ Dual Console ERC........................................6C-8
SETH ESH ‑ Single Console ERC.....................................6C-5 TETH Joystick/ESH ‑ Dual Console ERC..........................6C-9
DETH DTS ‑ Dual Console ERC....................................... 6C-6 QETH DTS ‑ Dual Console ERC..................................... 6C-10
DETH Joystick/ESH ‑ Dual Console ERC......................... 6C-7 QETH Joystick/ESH ‑ Dual Console ERC....................... 6C-11
6
C
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6C-1
Helm Architecture Diagrams: Triple Helm
Notes:
Page 6C-2 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Helm Architecture Diagrams: Triple Helm
Notes:
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6C-3
Helm Architecture Diagrams: Triple Helm
SETH DTS - Single Console ERC
1 - 14‑pin data harness (to engine)
2 - Gauge power relay
3 - Global wake link harness
4 - Multiple helm link harness (outer)
5 - Multiple helm gauge power link harness
6 - Single‑engine, lower‑helm harness
7 - Accessory power
8 - Junction box
9 - Ignition key switch
10 - Lanyard stop switch
11 - Green ERC connector (starboard)
12 - Blue ERC connector (CAN P)
13 - Warning horn
14 - Single‑engine ERC (single console)
15 - Diagnostic port
16 - Single‑engine, middle‑helm harness
17 - CAN X terminator
18 - CAN P terminator
19 - CAN H terminator
20 - Single‑engine, upper‑helm harness
Page 6C-4 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Single-Engine, Triple-Helm (SETH) DTS
Helm Architecture
14 14 14
13 13 13
12 12 12
11 11 11
10 10 10
3
4
5
2 2
1
9 2 20
6
16
X P H
5 17 18 19
4
3
15
8 8 8
7
Page 6C-4.1
90-8M0161677 71189
Single-Engine, Triple-Helm (SETH) DTS
Helm Architecture
14 14 14
13 13 13
12 12 12
11 11 11
10 10 10
3
4
5
2 2
1
9 2 20
6
16
X P H
5 17 18 19
4
3
15
8 8 8
7
Page 6C-4.1
90-8M0161677 71189
Single-Engine, Triple-Helm (SETH) with Electric Steering (ESH)
Helm Architecture
16 16 16
15 15 15
18 18 18
14 17 14 17 14 17
13 13 13
12 12 12
11 11 11
10 10 10
3
4
5
2 2
1
9 2 27
6
23
X P H
5 24 25 26
4
3 28
19
8 8 8
20
21 21 21
7
Page 6C-5.1 22
90-8M0161677 71188
Single-Engine, Triple-Helm (SETH) with Electric Steering (ESH)
Helm Architecture
16 16 16
15 15 15
18 18 18
14 17 14 17 14 17
13 13 13
12 12 12
11 11 11
10 10 10
3
4
5
2 2
1
9 2 27
6
23
X P H
5 24 25 26
4
3 28
19
8 8 8
20
21 21 21
7
Page 6C-5.1 22
90-8M0161677 71188
Helm Architecture Diagrams: Triple Helm
SETH ESH - Single Console ERC
1 - 14‑pin data harness (to engine)
2 - Gauge power relay
3 - Global wake link harness
4 - Multiple helm link harness (outer)
5 - Multiple helm gauge power link harness
6 - Single‑engine, lower‑helm harness
7 - Accessory power
8 - Junction box
9 - Ignition key switch
10 - Lanyard stop switch
11 - Green ERC connector (starboard)
12 - Blue ERC connector (CAN P)
13 - Warning horn
14 - CAN H adapter (orange)
15 - Weather cap (unused connector)
16 - Electric steering helm
17 - CAN P adapter (blue)
18 - Single‑engine ERC (single console)
19 - Diagnostic port
20 - VesselView link
21 - Multifunction display
22 - NMEA® 2000 network
23 - Single‑engine, middle‑helm harness
24 - CAN X terminator
25 - CAN P terminator
26 - CAN H terminator
27 - Single‑engine, upper‑helm harness
28 - GPS/IMU assembly
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6C-5
Helm Architecture Diagrams: Triple Helm
DETH DTS - Dual Console ERC
1 - 14‑pin data harness (to starboard engine)
2 - 14‑pin data harness (to port engine)
3 - Gauge power relay
4 - Multiple helm gauge power link harness
5 - Multiple helm link harness (outer)
6 - Dual‑engine, lower‑helm harness
7 - Accessory power
8 - Junction box
9 - Ignition key switches
10 - Lanyard stop switch
11 - Lanyard diode pack
12 - Brown ERC connector (port)
13 - Green ERC connector (starboard)
14 - Blue ERC connector (CAN P)
15 - Warning horn
16 - Dual‑engine ERC (dual console)
17 - Diagnostic port
18 - Dual‑engine, middle‑helm harness
19 - CAN X terminator
20 - CAN H terminator
21 - Dual‑engine, upper‑helm harness
Page 6C-6 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Dual-Engine, Triple-Helm (DETH) DTS
Helm Architecture
16 16 16
15 15 15
14 14 14
13 13 13
3 3 3
12 12 12
2
11 11 11
10 10 10
X
19
4 4
5 5
9
6 18 21
9
5 5
19 20
17 X H
1 8 8 8
7
Page 6C-6.1
90-8M0161677 71191
Dual-Engine, Triple-Helm (DETH) DTS
Helm Architecture
16 16 16
15 15 15
14 14 14
13 13 13
3 3 3
12 12 12
2
11 11 11
10 10 10
X
19
4 4
5 5
9
6 18 21
9
5 5
19 20
17 X H
1 8 8 8
7
Page 6C-6.1
90-8M0161677 71191
Dual-Engine, Triple-Helm (DETH)
Joystick Piloting (JP)
Helm Architecture 18 18 18
17 17 17
16 19 20 16 19 20 16 19 20
15 15 15
14 14 14
13 13 13
3 3 3
12 12 12
2
11 11 11
10 10 10
X
26
4 4
5 5
9
6 25 28
9
29
5 5
26 27
21 X H
1 8 8 8
22
23 23 23
7
Page 6C-7.1 24
90-8M0161677 71190
Dual-Engine, Triple-Helm (DETH)
Joystick Piloting (JP)
Helm Architecture 18 18 18
17 17 17
16 19 20 16 19 20 16 19 20
15 15 15
14 14 14
13 13 13
3 3 3
12 12 12
2
11 11 11
10 10 10
X
26
4 4
5 5
9
6 25 28
9
29
5 5
26 27
21 X H
1 8 8 8
22
23 23 23
7
Page 6C-7.1 24
90-8M0161677 71190
Helm Architecture Diagrams: Triple Helm
DETH Joystick/ESH - Dual Console ERC
1 - 14‑pin data harness (to starboard engine)
2 - 14‑pin data harness (to port engine)
3 - Gauge power relay
4 - Multiple helm gauge power link harness
5 - Multiple helm link harness (outer)
6 - Dual‑engine, lower‑helm harness
7 - Accessory power
8 - Junction box
9 - Ignition key switches
10 - Lanyard stop switch
11 - Lanyard diode pack
12 - Brown ERC connector (port)
13 - Green ERC connector (starboard)
14 - Blue ERC connector (CAN P)
15 - Warning horn
16 - CAN H adapter (orange)
17 - Joystick
18 - Electric steering helm
19 - CAN P adapter (blue)
20 - Dual‑engine ERC (dual console)
21 - Diagnostic port
22 - VesselView link
23 - Multifunction display
24 - NMEA® 2000 network
25 - Dual‑engine, middle‑helm harness
26 - CAN X terminator
27 - CAN H terminator
28 - Dual‑engine, upper‑helm harness
29 - GPS/IMU assembly
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6C-7
Helm Architecture Diagrams: Triple Helm
TETH DTS - Dual Console ERC
1 - 14‑pin data harness (to starboard engine)
2 - 14‑pin data harness (to center engine)
3 - 14‑pin data harness (to port engine)
4 - Gauge power relay
5 - Multiple helm gauge power link harness
6 - Multiple helm link harness (outer)
7 - Triple‑engine, lower‑helm harness
8 - Multiple helm link harness (inner)
9 - Accessory power
10 - Junction box
11 - Ignition key switches
12 - Lanyard stop switch
13 - Lanyard diode pack
14 - Gray ERC connector (center)
15 - Brown ERC connector (port)
16 - Green ERC connector (starboard)
17 - Blue ERC connector (CAN P)
18 - Warning horn
19 - Triple‑engine ERC (dual console)
20 - Diagnostic port
21 - Triple‑engine, middle‑helm harness
22 - CAN X terminator
23 - CAN H terminator
24 - Triple‑engine, upper‑helm harness
Page 6C-8 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Triple-Engine, Triple-Helm (TETH) DTS
Helm Architecture
4
19 19 19
3
18 18 18
17 4 17 4 17
16 16 16
15 15 15
14 14 14
X
22
13 13 13
12 12 12
5 5
6 6
11
2
7
11 21 24
11
X
8 8 22
6 6
20
22 23
10 10 X H 10
1
9
Page 6C-8.1
90-8M0161677 71193
Triple-Engine, Triple-Helm (TETH) DTS
Helm Architecture
4
19 19 19
3
18 18 18
17 4 17 4 17
16 16 16
15 15 15
14 14 14
X
22
13 13 13
12 12 12
5 5
6 6
11
2
7
11 21 24
11
X
8 8 22
6 6
20
22 23
10 10 X H 10
1
9
Page 6C-8.1
90-8M0161677 71193
Triple-Engine, Triple-Helm (TETH)
Joystick Piloting (JP) 21 21 21
Helm Architecture
20 20 20
4
19 22 23 19 22 23 19 22 23
3
18 18 18
17 4 17 4 17
16 16 16
15 15 15
14 14 14
X
29
13 13 13
12 12 12
5 5
6 6
11
2
7
11 28 31
11
X
8 8 29 32
6 6
24
29 30
10 10 X H 10
25
26 26 26
1
9
Page 6C-9.1 27
90-8M0161677 71192
Triple-Engine, Triple-Helm (TETH)
Joystick Piloting (JP) 21 21 21
Helm Architecture
20 20 20
4
19 22 23 19 22 23 19 22 23
3
18 18 18
17 4 17 4 17
16 16 16
15 15 15
14 14 14
X
29
13 13 13
12 12 12
5 5
6 6
11
2
7
11 28 31
11
X
8 8 29 32
6 6
24
29 30
10 10 X H 10
25
26 26 26
1
9
Page 6C-9.1 27
90-8M0161677 71192
Helm Architecture Diagrams: Triple Helm
TETH Joystick/ESH - Dual Console ERC
1 - 14‑pin data harness (to starboard engine)
2 - 14‑pin data harness (to center engine)
3 - 14‑pin data harness (to port engine)
4 - Gauge power relay
5 - Multiple helm gauge power link harness
6 - Multiple helm link harness (outer)
7 - Triple‑engine, lower‑helm harness
8 - Multiple helm link harness (inner)
9 - Accessory power
10 - Junction box
11 - Ignition key switches
12 - Lanyard stop switch
13 - Lanyard diode pack
14 - Gray ERC connector (center)
15 - Brown ERC connector (port)
16 - Green ERC connector (starboard)
17 - Blue ERC connector (CAN P)
18 - Warning horn
19 - CAN H adapter (orange)
20 - Joystick
21 - Electric steering helm
22 - CAN P adapter (blue)
23 - Triple‑engine ERC (dual console)
24 - Diagnostic port
25 - VesselView link
26 - Multifunction display
27 - NMEA® 2000 network
28 - Triple‑engine, middle‑helm harness
29 - CAN X terminator
30 - CAN H terminator
31 - Triple‑engine, upper‑helm harness
32 - GPS/IMU assembly
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6C-9
Helm Architecture Diagrams: Triple Helm
QETH DTS - Dual Console ERC
1 - 14‑pin data harness (to starboard engine)
2 - 14‑pin data harness (to starboard inner engine)
3 - 14‑pin data harness (to port inner engine)
4 - 14‑pin data harness (to port engine)
5 - Gauge power relay
6 - Multiple helm gauge power link harness
7 - Multiple helm link harness (outer)
8 - Multiple helm link harness (inner)
9 - Quad‑engine, lower‑helm harness
10 - Accessory power
11 - Junction box
12 - Ignition key switches
13 - Lanyard stop switch
14 - Lanyard diode pack
15 - Black ERC connector (port inner)
16 - Gray ERC connector (starboard inner)
17 - Brown ERC connector (port)
18 - Green ERC connector (starboard)
19 - Blue ERC connector (CAN P)
20 - Warning horn
21 - Quad‑engine ERC (dual console)
22 - Diagnostic port
23 - Quad‑engine, middle‑helm harness
24 - CAN X terminator
25 - CAN H terminator
26 - Quad‑engine, upper‑helm harness
Page 6C-10 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Quad-Engine, Triple-Helm (QETH) DTS
Helm Architecture
5
21 21 21
4 20 20 20
19 5 19 5 19
18 18 18
17 17 17
16 16 16
15 15 15
X
24
14 14 14
13 13 24 13
6 6 X
7 7
3
8 8
12
12
9 23 26
12
12
2
8 8
7 7
X
22 24
24 25
11 11 X H 11
1
10
Page 6C-10.1
90-8M0161677 71195
Quad-Engine, Triple-Helm (QETH) DTS
Helm Architecture
5
21 21 21
4 20 20 20
19 5 19 5 19
18 18 18
17 17 17
16 16 16
15 15 15
X
24
14 14 14
13 13 24 13
6 6 X
7 7
3
8 8
12
12
9 23 26
12
12
2
8 8
7 7
X
22 24
24 25
11 11 X H 11
1
10
Page 6C-10.1
90-8M0161677 71195
Quad-Engine, Triple-Helm (QETH)
Joystick Piloting (JP)
Helm Architecture
23 23 23
22 22 22
5
25 25 25
21 24 21 24 21 24
4 20 20 20
19 5 19 5 19
18 18 18
17 17 17
16 16 16
15 15 15
X
31
14 14 14
13 13 31 13
6 6 X
7 7
3
8 8
12
12
9 30 33
12
12
2
34
8 8
7 7
X
26 31
31 32
11 11 X H 11
27
28 28 28
1
10
Page 6C-11.1 29
90-8M0161677 71194
Quad-Engine, Triple-Helm (QETH)
Joystick Piloting (JP)
Helm Architecture
23 23 23
22 22 22
5
25 25 25
21 24 21 24 21 24
4 20 20 20
19 5 19 5 19
18 18 18
17 17 17
16 16 16
15 15 15
X
31
14 14 14
13 13 31 13
6 6 X
7 7
3
8 8
12
12
9 30 33
12
12
2
34
8 8
7 7
X
26 31
31 32
11 11 X H 11
27
28 28 28
1
10
Page 6C-11.1 29
90-8M0161677 71194
Helm Architecture Diagrams: Triple Helm
QETH Joystick/ESH - Dual Console ERC
1 - 14‑pin data harness (to starboard engine)
2 - 14‑pin data harness (to starboard inner engine)
3 - 14‑pin data harness (to port inner engine)
4 - 14‑pin data harness (to port engine)
5 - Gauge power relay
6 - Multiple helm gauge power link harness
7 - Multiple helm link harness (outer)
8 - Multiple helm link harness (inner)
9 - Quad‑engine, lower‑helm harness
10 - Accessory power
11 - Junction box
12 - Ignition key switches
13 - Lanyard stop switch
14 - Lanyard diode pack
15 - Black ERC connector (port inner)
16 - Gray ERC connector (starboard inner)
17 - Brown ERC connector (port)
18 - Green ERC connector (starboard)
19 - Blue ERC connector (CAN P)
20 - Warning horn
21 - CAN H adapter (orange)
22 - Joystick
23 - Electric steering helm
24 - CAN P adapter (blue)
25 - Quad‑engine ERC (dual console)
26 - Diagnostic port
27 - VesselView link
28 - Multifunction display
29 - NMEA® 2000 network
30 - Quad‑engine, middle‑helm harness
31 - CAN X terminator
32 - CAN H terminator
33 - Quad‑engine, upper‑helm harness
34 - GPS/IMU assembly
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6C-11
Helm Architecture Diagrams: Triple Helm
Notes:
Page 6C-12 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Stern Architecture Diagrams
System Architecture Diagrams
Section 6D - Stern Architecture Diagrams
Table of Contents
DTS OB/MC.......................................................................6D-2 JPO/ESH 450R (Single‑Engine) ‑ Stern Only...........6D-13
DTS OB/MC (Single‑Engine) ‑ Stern Only..................6D-2 JPO/ESH 450R (Dual‑Engine) ‑ Stern Only............. 6D-14
DTS OB/MC (Dual‑Engine) ‑ Stern Only.................... 6D-2 JPO/ESH 450R (Triple‑Engine) ‑ Stern Only............6D-15
DTS OB (Triple‑Engine) ‑ Stern Only......................... 6D-3 JPO/ESH 450R (Quad‑Engine) ‑ Stern Only............6D-16
DTS OB (Quad‑Engine) ‑ Stern Only......................... 6D-4 JPO/ESH V12..................................................................6D-16
DTS 450R..........................................................................6D-5 JPO/ESH V12 (Single‑Engine) ‑ Stern Only.............6D-16
DTS 450R (Single‑Engine) ‑ Stern Only.....................6D-5 JPO/ESH V12 (Dual‑Engine) ‑ Stern Only............... 6D-17
DTS 450R (Dual‑Engine) ‑ Stern Only....................... 6D-5 JPO/ESH V12 (Triple‑Engine) ‑ Stern Only..............6D-17
DTS 450R (Triple‑Engine) ‑ Stern Only......................6D-6 JPO/ESH V12 (Quad‑Engine) ‑ Stern Only.............. 6D-18
DTS 450R (Quad‑Engine) ‑ Stern Only...................... 6D-7 JPS/ESH..........................................................................6D-19
JPO/ESH V8/L6.................................................................6D-8 JPS/ESH (Dual‑Engine) ‑ Stern Only....................... 6D-19
JPO/ESH V8/L6 (Single‑Engine) ‑ Stern Only............6D-8 DTS Diesel.......................................................................6D-20
JPO/ESH V8/L6 (Dual‑Engine) ‑ Stern Only.............. 6D-9 DTS Diesel (Single‑Engine) ‑ Stern Only................. 6D-20
JPO/ESH V8/L6 (Triple‑Engine) ‑ Stern Only...........6D-10 DTS Diesel (Dual‑Engine) ‑ Stern Only.................... 6D-20
JPO/ESH V8/L6 (Quad‑Engine) ‑ Stern Only........... 6D-12 JPS Diesel....................................................................... 6D-21 6
JPO/ESH 450R................................................................6D-13 JPS Diesel (Dual‑Engine) ‑ Stern Only.....................6D-21
D
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6D-1
Stern Architecture Diagrams
DTS OB/MC
DTS OB/MC (Single‑Engine) ‑ Stern Only
1 1 - Engine
P 2 2 - CAN P/H terminator (10‑pin red)
H
3 - CAN X terminator
X 3 4 4 - Clean power harness (2‑pin)
5 - 14‑pin data harness (to helm)
5 NOTE: In applications where the data harness
length exceeds 10.7 m (35 ft), a low‑loss data
harness is required, as is the use of a 4‑pin clean
71530 power harness with a T‑harness.
DTS OB/MC (Dual‑Engine) ‑ Stern Only
1 1 - Port engine
P 3 2 - Starboard engine
H 3 - CAN P/H terminator (10‑pin red)
5
X 4 4 - CAN X terminator
5 - Clean power harness (2‑pin)
6 6 - 14‑pin data harness (to helm)
NOTE: In applications where the data
harness length exceeds 10.7 m (35 ft), a
low‑loss data harness is required, as is the
use of a 4‑pin clean power harness with a
T‑harness.
2
P
H 3
5
X 4
6
71531
Page 6D-2 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Stern Architecture Diagrams
DTS OB (Triple‑Engine) ‑ Stern Only
1 - Port engine
1 2 - Center (starboard inner) engine
11 3 - Starboard engine
P 4
H 4 - CAN P/H terminator (10‑pin red)
5 - CAN X terminator
X 5
6 - Clean power connector with
weather cap
6
9 12 7 - CAN Y‑harness (10‑pin)
8 - CAN link harness (10‑pin)
9 - 14‑pin data harness (to helm)
10 - Gray (no CAN P/H) 14‑pin data
harness (to helm)
11 - Clean power harness (4‑pin, 2
2 fuses)
7 12 - Clean power T‑harness (4‑pin)
P 11
H
X X
5 4
6
10 12
8
3
11
P
H
X 5
6
9 12
71522
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6D-3
Stern Architecture Diagrams
DTS OB (Quad‑Engine) ‑ Stern Only
1 - Port engine
1 2 - Port inner engine
12 3 - Starboard inner engine
P
H 4 - Starboard engine
5 - CAN X terminator
X 5
6 - Clean power connector with
weather cap
6
10 13 7 - CAN Y‑harness (10‑pin)
8 - CAN P/H terminator (10‑pin red)
9 - CAN link harness (10‑pin)
10 - 14‑pin data harness (to helm)
9 11 - Gray (no CAN P/H) 14‑pin data
8 harness (to helm)
2 12 - Clean power harness (4‑pin, 2
7 fuses)
P 12 13 - Clean power T‑harness (4‑pin)
H
X 5
6
11 13
8
3
7
P 12
H
X X 5
6
11 13
9
4
12
P
H
X 5
6
10 13
71524
Page 6D-4 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Stern Architecture Diagrams
DTS 450R
DTS 450R (Single‑Engine) ‑ Stern Only
4
1 1 - Engine
2 - CAN P terminator (10‑pin blue)
5 6 3 - CAN X terminator
4 - 14‑data harness (to helm)
P 2 7 5 - Engine rigging harness (14‑pin to 21‑pin)
X 3 6 - Engine rigging center
7 - Clean power (4‑pin, 30‑amp)
72162
DTS 450R (Dual‑Engine) ‑ Stern Only
5
1 1 - Port engine
2 - Starboard engine
6 7 3 - CAN P terminator (10‑pin blue)
4 - CAN X terminator
P 3 8 5 - 14‑pin data harness (to helm)
6 - Engine rigging harness (14‑pin to 21‑pin)
X 4
7 - Engine rigging center
8 - Clean power harness (4‑pin, 30‑amp)
5
2
6 7
P 3
8
X 4
72163
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6D-5
Stern Architecture Diagrams
DTS 450R (Triple‑Engine) ‑ Stern Only
6
1 1 - Port engine
2 - Center (starboard inner) engine
7 8 3 - Starboard engine
4 - CAN P terminator (10‑pin blue)
P 4 9 5 - CAN X terminator
6 - 14‑pin data harness (to helm)
X 5
7 - Engine rigging harness (14‑pin to 21‑pin)
8 - Engine rigging center
10 9 - Clean power harness (4‑pin, 30‑amp)
2 10 - Gray (no CAN P/H) 14‑pin data harness (to helm)
11 - CAN link harness (10‑pin)
7 8
9 4
P
X 5
11
3 6
7 8
9
X 5
72164
Page 6D-6 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Stern Architecture Diagrams
DTS 450R (Quad‑Engine) ‑ Stern Only
6
1 1 - Port engine
2 - Port inner engine
7 8 3 - Starboard inner engine
4 - Starboard engine
9 5 - CAN X terminator
6 - 14‑pin data harness (to helm)
X 5
7 - Engine rigging harness (14‑pin to 21‑pin)
8 - Engine rigging center
10
11 9 - Clean power harness (4‑pin 30‑amp)
2 10 - CAN link harness (10‑pin)
11 - Gray (no CAN P/H) 14‑pin data harness (to helm)
7 8 12 - CAN P terminator (10‑pin blue)
9 12
P
X 5
11
3
7 8
12
9 P
X 5
10
4 6
7 8
9
X 5
72165
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6D-7
Stern Architecture Diagrams
JPO/ESH V8/L6
JPO/ESH V8/L6 (Single‑Engine) ‑ Stern Only
10
8 9
1
11
P 2
H
X 3
6
4 7
5 12
71520
1 - Engine
2 - CAN P/H terminator (10‑pin red)
3 - CAN X terminator
4 - Clean power connector with weather cap
5 - 14‑pin data harness (engine to TVM)
6 - Steering actuator
7 - Steering actuator harness
8 - Power steering pump
9 - Thrust vector module (TVM)
10 - Power steering pump signal harness
11 - Clean power harness (4‑pin, 2 fuses)
12 - 14‑pin data harness (to helm)
Page 6D-8 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Stern Architecture Diagrams
JPO/ESH V8/L6 (Dual‑Engine) ‑ Stern Only
11
9 10
1
12
P 3
H
X 4
7
5 8
13
6
11
9 10
2
12
P 3
H
X 4
7
5 8
13
6 71521
1 - Port engine
2 - Starboard engine
3 - CAN P/H terminator (10‑pin red)
4 - CAN X terminator
5 - Clean power connector with weather cap
6 - 14‑pin data harness (engine to TVM)
7 - Steering actuator
8 - Steering actuator harness
9 - Power steering pump
10 - Thrust vector module (TVM)
11 - Power steering pump signal harness
12 - Clean power harness (4‑pin, 2 fuses)
13 - 14‑pin data harness (to helm)
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6D-9
Stern Architecture Diagrams
JPO/ESH V8/L6 (Triple‑Engine) ‑ Stern Only
1 14
P 4
H 10
X 5 13 15
9
6 11
12 16
4
2 7 14
P
H 10
13 15
X 5
9
6 11
12 17
8
3 14
P
H 10
13 15
X 5
9
6 11
12 16
71523
Page 6D-10 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021
Stern Architecture Diagrams
1 - Port engine 10 - Power steering pump
2 - Center (starboard inner) engine 11 - Steering actuator harness
3 - Starboard engine 12 - 14‑pin data harness (engine to TVM)
4 - CAN P/H terminator (10‑pin red) 13 - Thrust vector module (TVM)
5 - CAN X terminator 14 - Power steering pump signal harness
6 - Clean power connector with weather cap 15 - Clean power harness (4‑pin, 2 fuses)
7 - CAN Y‑harness (10‑pin) 16 - 14‑pin data harness (to helm)
8 - CAN link harness (10‑pin) 17 - Gray (no CAN P/H) 14‑pin data harness (to helm)
9 - Steering actuator
90-8M0161677 eng MARCH 2021 © 2021 Mercury Marine Page 6D-11
Stern Architecture Diagrams
JPO/ESH V8/L6 (Quad‑Engine) ‑ Stern Only
16
1
14 17
P
H 15
X 5
6
13 18
7
2 8
P 17
H
9
X 5
10
6 11
12 19
3 8
P
H 17
9
X X 5
10
6 11
12 19
7
16
4
14 17
P 15
H
X 5
6
13 18 71525
Page 6D-12 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021