Revision #2 | 7-23-19

FORD
6.0L Diesel Engine
F250 – F550 (2003-2004)

Engine Wiring Diagram

 How to Read This Document
NAVIGATION SYMBOLS

Return To Overview Return to Table of Contents Overview page Splice

Circuit
Return To Table Return to Table of Contents
Breaker

Fuse
Component
Component
Name M67GA 18-OR
Pressure Sensor (009)
1 Diode
N67DA 18-GN
Component 2
Number Color
Component Circuit Gauge
Number
Twisted Pair
Connection

>> Passthrough Connector

Connector
Name Ground
Trip Master
(5927)
Pin Label

Power
+12V Battery A
+

Ignition B

ABBREVIATION COLOR
J1708(-) C
Pin Connection Reference RD RED
WH WHITE
J1708(+) D A (SXN1_07) OR ORANGE
YL/YE YELLOW
Reference PK PINK
Destination
BK BLACK
(Reference Destination will be linked to destination page) GY GRAY
PU/VT PURPLE
BR/BN BROWN
GN GREEN
BU/BL BLUE

Capital Abbreviation s Represent Wire Main Color

Lower Case Abbreviation s Represent Secondary Color
 Table of Contents

Section Overview

Section Number Name

SXN1 ENGINE WIRING DIAGRAMS

SXN2 CENTRAL JUNCTION BOX (CJB) – 14A067

SXN3 CONNECTORS
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 1 of 12

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Powertrain Control Module

(PCM) (12A650)
(C128) (C1381a)
743 20-GY
6 43 VREF

967 20-BU rd
5 42
968 20-BN bu
4 21 SIG RTN
Mass Airflow (MAF) Sensor
(13480) (Ref to OEM: Grounds
3 (G101))
361 18-RD
2
359 20-GY rd
(See Pg-7 (S114))
1

Central Junction Box (CJB) (14A067)

(Grounds) (Power Distribution) (C1282)
361 16-RD 361 16-RD
(See Pg-6 (S193)) 10 34 VPWR
(F2:22) (C270h)
20A 361 16-RD 361 16-RD
5 46 VPWR
S123
570 16-BK wh
(C2160) 11
(See Pg-2 Fuel
Pump Relay) (Ref to OEM: Grounds
87 (C270c)
S106
(G101))
85 1044 14-WH ye 570 16-BK wh
87 86 4 23
PCM Power Relay
85 S117 567 18-BU ye
30 86 (Ref to OEM: Grounds 567 18-BU ye
(G100))
10
30
Hot at All Times

PCM Power Diode

(C270f)
S162
57 20-BK (Ref to OEM: Grounds
5 (G100))

(F2:36) (C270g)
10A 729 20-RD wh
Hot at All Times 7 40 VBATT

(F2:116) (C270e)
30A 325 14-BU or
Hot at All Times 4

Ignition Switch
(C250)
(11572)
0) Off
1) Acc
B:5
2) Run (Ref to OEM: Power Distribution) 1044 14-WH ye
3) Start I:1 (See Pg-2 Fuel Heater Relay (C270a:6))
4) Lock S224
(Power Distribution) 1044 14-WH ye
(See Pg-3 (C144:7))
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 2 of 12

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Powertrain Control Module

(PCM) (12A650)
(C1080) (C1386) (C1381a)
(C192)
S110
643 18-RD
1 6 12 15 VREF
(C1010)
Water in Fuel Sensor
359 18-GY rd
2 5 6 (See Pg-7 (C1010:6))

(C1392)
787 16-PK bk 787 14-PK bk
1 2 14
Fuel Pump P 57 16-BK S250
2 1
(Ref to OEM: Grounds
(C1328) (G100)) (C1416)
16 16-RD gn 16 14-RD gn S182 16 14-RD gn
1 4 1 5 Not USed
Fuel Heater
57 16-BK
2 3

Central Junction Box (CJB) (14A067)

(Power Distribution)
(C2259) (C270g)
16 14-RD gn
87 8
85 1044 14-WH ye
87 86 (Continued From Pg-1 (S224))
6
Fuel Heater Relay
(C270a) (C1025)
30 307 18-BK ye S112
30 86
57 18-BK S162
Brake Pressure Switch
2 28
(F2:105) (Ref to OEM: Grounds
85 4 (G100)) (2B264)
30A
(C270h)
1
Hot at All Times

(F2:24) (C270a) (C1019)

2A 418 20-GN ye
Hot in Run 20 2

(Continued From Pg-1 PCM Power Relay

(C2160:87))

(C270f)
85 926 20-BU or
87 10 5
Fuel Pump Relay
238 14-GN ye
22
30 86
(C270a)
(F2:40)
20A Mexico
Hot at All Times
(C211) (C311)
787 14-PK bk
3 12 Not USed
Pickup
(C282) (C2207) 787 14-PK bk
Inertia Fuel Shutoff (C139)
(IFS) Switch 1 787 14-PK bk
(9D362)
Pickup 16
787 14-PK bk S260 787 14-PK bk 787 18-PK bk S118
1) Normal 3 2 19
(C133)
2) Post Impact S141
Excrusion 9
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 3 of 12

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Powertrain Control Fuel Injector Control Module
Module (PCM) (12A650) (FICM)
(C1381c) (C1388c)
878 18-PK ye
28 9
69 20-RD gn
CAN2 H 37 30 CAN2H
70 20-BU wh
CAN2 L 26 31 CAN2L
57 18-BK
32
56 18-BU or
CMP-O 20 10 CMP-O
54 20-GN ye
CKP-O 19 5 CKP-O
BK (C144) (C1282)
40 1044 14-WH ye 1044 16-WH ye
(C2176) (Continued From Pg-1 (S224)) 7 9 7 VPWR
BK
39 574 16-BK pk
BK 1
35 574 16-BK pk
(C1282)
BK 2
34 574 10-BK pk 574 16-BK pk
(Ref to OEM: Grounds
BK 1 3
21 (G101)) S195
574 16-BK pk
BK 22
18 Not Used
574 16-BK pk
BK 26
16
BK 876 16-GN gn
15 23 VPWR
BK 876 16-GN gn
9 (C1282) 4 VPWR
BK S120 876 10-GN gn 876 10-GN gn
8 12 S196
BK 876 16-GN gn
7 24 VPWR
876 16-GN gn
25 VPWR
Central Junction BOX (CJB)
(14A067) (Power Distribution) Pickup Auxiliary Relay Box 5
(F2:103) (C270c) (C133) (C134) (F1:1) (C1282)
Hot at All 50A 544 10-PU 876 10-GN gn 10A 814 18-WH bk
Times 3 4 12 6 8 VPWR

(F2:20) (C270b)
Hot at All 10A 792 18-BN ye
Times 1 6

Auxiliary Relay Box 5

(C1235)

5
Fuel Injector 85
87 2
Control Module
(FICM) Power 876 10-GN gn
Relay 1 (C1282)
30 86
3098 18-RD ye
3 8 27
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 4 of 12

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Fuel Injector Control

Module (FICM)

(C1181) (C1388a)
4 16-WH bk
1 19 INJ +

3 16-GN wh
Fuel Injector 1 2 2 INJ -
(9F593) 1 16-BU
3 20 INJ +

2 16-WH bu
4 5 INJ -

(C1312)
12 16-GN bk
1 17 INJ +

11 16-BN ye
2 3 INJ -
Fuel Injector 7
(9F593) 9 16-GN or
3 18 INJ +

10 16-GN rd
4 8 INJ -

(C1183) (C1388b)
28 16-BK pk
1 19 INJ +

27 16-OR gn
2 4 INJ -
Fuel Injector 3
(9F593) 25 16-GN pu
3 20 INJ +

26 16-WH pu
4 8 INJ -

(C1185)
24 16-BU or
1 21 INJ +

23 16-BN gn
2 1 INJ -
Fuel Injector 5
(9F593) 21 16-GN gn
3 22 INJ +

22 16-BU bk
4 5 INJ -

57 14-BK (Ref to OEM: Grounds

S194 (G110))
Shield

48 18
(See Pg-5)
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 5 of 12

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Fuel Injector Control

Module (FICM)

(C1184) (C1388a)
8 16-OR ye
1 23 INJ +

7 16-GN ye
Fuel Injector 4 2 1 INJ -
(9F593) 5 16-OR bu
3 24 INJ +

6 16-YE gn
4 6 INJ -

(C1186)
16 16-RD gn
1 21 INJ +

15 16-RD ye
2 4 INJ -
Fuel Injector 6
(9F593) 13 16-RD bk
3 22 INJ +

14 16-BN
4 7 INJ -

(C1182) (C1388b)
20 16-WH bu
1 17 INJ +

19 16-BU rd
2 2 INJ -
Fuel Injector 2
(9F593) 17 16-WH
3 18 INJ +

18 16-OR ye
4 6 INJ -

(C1313)
32 16-RD bu
1 23 INJ +

31 16-WH rd
2 3 INJ -
Fuel Injector 8
(9F593) 29 16-YE wh
3 24 INJ +

30 16-BK gn
4 7 INJ -

48 18
(Continued From Pg-4 (S194))
Shield
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 6 of 12

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Glow Plug Control Module
(GPCM)
(C1273b)
(C1413)
180 14-RD
1 2 PWR

9 VPWR

160 14-BU wh
2 1 PWR

361 18-RD S193 361 16-RD

(See Pg-8 EGR Valve Actuator (Continued From Pg-1
Glow Plug Bank, (C1389:E)) (S123))
Left
140 14-BK pk
3 7 PWR
(C1360)
361 18-RD 361 18-RD
Injection Pressure
1 9 VPWR
Regulator (IPR)
2
120 14-PK gn
4 6 PWR

S125 S147 380 8-BK or

3 VBATT
Fusible Link I
1) 12 Gauge
(C1100a) 2) Gray (C1273a)
(Ref to OEM: Charging System) 380 8-BK or
Battery
(10655)
+ 3 VBATT
Fusible Link H
3) 12 Gauge (C1381c)
4) Gray 552 18-YE rd
2
Powertrain Control 1086 18-PU or
Module (PCM) GPE 3 8 GPE
(12A650)
1277 18-WH gn
(C1414)
GPD 17 9 GPD
110 14-WH gn
1 6 PWR

130 14-RD gn
2 7 PWR

Glow Plug Bank,

Right
150 14-GN wh
3 1 PWR

170 14-RD bu
4 2 PWR
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 7 of 12

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Powertrain Control Module

(PCM) (12A650)
(C2040) (C134) (C1381a)
3075 20-YE
2 11 37
3093 20-WH bu
5 8 29
3094 20-BU rd
10 7 20 SIG RTN

Accelerator Pedal 3
(C139)
Position Sensor 57 20-BK
5) Position 1 6 3 Pickup
6) Position 2
7) Position 3 3091 20-BU bk
7 (C133) 26
351 20-BN wh 6 Excursion
4
(C139)
359 20-GY rd
9 15 Pickup
3076 20-YE wh
8 (C133) 25
5 Excursion

(C139)

(C2256) 5 Pickup
356 20-BU gn
3 (C133) 38
Barometric Absolute
Pressure (BAP) 359 20-GY rd 359 20-GY rd 3 Excursion
Sensor 1
S213
351 20-BN wh (C145)
2 10
S223

(C139)

4 Pickup
79
351 20-BN wh
(C133)

7 Excursion
(C1087)
351 20-BN wh 351 20-BN wh
1 45 VREF
S170
Manifold Absolute 358 20-GN bk
Pressure (MAP) 2 41
Sensor
359 20-GY rd 359 20-GY rd
3 33 SIG RTN
S114

359 20-GY rd
(Continued From Pg-1 Mass Air Flow (MAF) Sensor (C128:1))

(C1010)
359 18-GY rd
(Continued From Pg-2 (C1010:6)) 6
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 8 of 12

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Powertrain Control Module
(PCM) (12A650)
(C1381c)
(C1271)
553 18-PU bu
C 27
Exhaust Back 351 18-BN wh S190
Pressure (EBP) B
Sensor
359 18-GY rd S192 (C189)
A 351 18-BN wh 351 18-BN wh
A 36 VREF
(C1244) Not Used
73 18-OR bu
359 18-GY rd C 38
A
Injection Control 351 18-BN wh
Pressure (ICP) B
Sensor
812 18-BU gn
C 29

(C1389)
33 18-WH pk
A 23
359 20-GY rd
B 25 SIG RTN

34 20-BU or
EGR Valve Actuator 33
C
351 20-BN wh
D
361 18-RD
E (Continued From Pg-6 (S193))

(C104)
354 20-GN rd
Engine Oil 2 44 VREF
Temperature (EOT)
Sensor 359 18-GY rd
1

(C1236)
359 20-GY rd
Manifold Air 1
Temperature (MAT)
42 20-RD wh
Sensor 45 VREF
2

(C1064)
Engine Coolant 359 20-GY rd
Temperature (ECT) 1
Sensor 3076 20-YE wh
(12A648) 2 32 VREF

(C189)
359 18-GY rd
B
BK
D
BK
E Not Used
BK
F
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 9 of 12

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Powertrain Control Module

(PCM) (12A650)
(C1381c)
228 18-BU
14
Central Junction BOX (CJB) (14A067)
(Power Distribution) 352 18-BN gn
46
(Ref to OEM: Cooling Fan)
(F2:45) (C270a) 229 18-RD or
(Ref to OEM: Power 6
10A Distribution) S271
Hot in Strat
or Run
8 360 18-BN pk
22 SIG RTN

1185 18-YE
4
Auxiliary Powertrain 1183 18-WH ye
Control Module (APCM) 1
(C2176) (Ref to OEM: Charging System)
(C1381a)
640 20-RD ye
VPWR 3 3090 20-PU
30
57 20-BK S217
(Ref to OEM: Grounds
1 (G202))
(C145)
914 20-BN or S284 914 20-BN or
SCP+ 2 15 32 SCP+

915 20-PK bu S286 915 20-PK bu

SCP- 4 14 44 SCP-

(C251)
(Ref to OEM: Module Communications Network)
2
(Ref to OEM: Module Communications Network)
10 (C139)

1
Pickup
3072 20-PK ye
Data Link Connector (DLC) 6 2 13 CAN1H
(14489)
(Module Communications Network)
(C133)
3073 20-RD wh
14 10 14 CAN1L
Excursion
11
(C146)
107 20-PU
13 11 39 FEP5
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 10 of 12

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Powertrain Control Module

(PCM) (12A650)
(C1275) (C1381c)
50 20-RD
1 31 +
Camshaft Position Sensor
(6B288) 49 20-OR
2 43 -
48 18 S197 57 18-BK
42
(C101) Shield
349 20-BU
Crankshaft Position 1 30 +
Sensor
(6C315) 350 20-GY
2 41 -
48 18

(C1390)
43 18-BU
1 11 VPWR
Variable Geometric Turbo
Actuator 41 18-BK bu
2 10
(C1368)
357 16-YE wh
B 24
Not Used
355 16-GY wh
A 12
(C1381a)
Manual Transmission

306 20-BN bu
(Ref to OEM: Vehicle Speed Control) 36

(C218a) (C146)
151 20-BU bk
3 3 31 VREF
Air Bag Sliding Contact
(14A664)

Steering Wheel / Speed

Control Switch (9F924)
0) Rest
2) Speed Control ON
3) Speed Control OFF
5) Set/Accelerate
8) Coast
9) Resume
(Vehicle Speed Control)
(C218a)
(C139)

Air Bag Sliding Contact

Pickup 11 24 SIG RTN
(14A664) 133 20-BK
6 (C133)

Excursion 2 24 SIG RTN

 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 11 of 12

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Powertrain Control
ABS Control Module Module (PCM) (12A650)
(2C219) (ABS) (C135) (C1381a)
(Ref to OEM: ABS) S115 679 20-GY bk
11 35 VSS

71 20-OR gn
(Ref to OEM: Overhead Console) 3
(C220c) (C145)
Instrument Cluster 203 20-OR bu
17 16 9
(10849) RPM MPH
Automatic Transmission

262 20-BN pk
(Ref to OEM: Starting System) 4
(C1062) (C1298)
Dual Pressure Switch S119
440 18-BN gn
(19D594) 3 2 16
(Air Conditioner/ S116
Heater) 439 18-BN gn
4 8 8
(EATC)

(C278) (C270a) (F2:34)

(Ref to OEM: Power Distribution) 10A Central Junction BOX (CJB) (14A067)
Hot at All
Brake Pedal Position 3 3 Times
(Power Distribution)
Switch (Ref to OEM: Turn/Stop/Hazard Lamps) 810 20-RD gn
(13480) 2 18
(Turn/Stop/Hazard S108
676 18-PK or S201
Lamps) (Ref to OEM: Grounds
1 (G300))

Auxiliary Relay Box 5

87a 87 85 (C1382)
A/C Clutch Relay
(Air Conditioner/ 331 20-PK ye
Heater) 1 2
(EATC)
30 86

(C2015)
(Ref to OEM: Daytime Running Lamps) S174 162 20-GN rd
Parking Brake Switch 1 17 VREF
(15A851) Pickup
676 20-PK or S201
0) Brake Fully Released (Ref to OEM: Grounds
1) Brake Applied 2 (G300))
322 20-BU ye
12
76 20-GN wh
1
22 20-WH or
22
Not Used
1857 20-YE wh
7
(C1416) (C1282) (C1381c)
466 20-PU or
6 3 5
 6.0L Diesel Engine (F250 – F550) (2003-2004) Page 12 of 12

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Powertrain Control Module

(PCM) (12A650)
(C1387) (C1381b)
134 20-GY or
4 27
Speed Sensor Assembly
970 20-GN wh
(7M101) 3 29
0) Turbine Shaft Speed
Sensor 570 18-BK wh
1) Intermediate Shaft 2
Speed Sensor S128
371 18-PK wh 371 18-PK wh
1 1 VREF

(C1385)
570 18-BK wh
17 With Electronic Shift on the Fly (ESOF)
Torq-Shift Transmission
(Transmission Controls) 371 18-PK wh 463 20-RD wh
21 (Ref to OEM: Electronic Shift Control) 4

(C1107) 324 20-YE gn

371 18-PK wh
(Ref to OEM: Reversing Lamps) 3
3
Output Shaft Speed (OSS) 570 18-BK wh 570 18-BK wh
Sensor 2 22 SIG RTN
(7H103) S127
136 20-BU ye
1 28
911 20-WH gn
5
1876 16-YE wh
7 VPWR
237 20-OR ye
9
315 20-PU or
10
971 20-PK bk
11
236 20-BK gn
12
125 20-BU wh
13
924 20-BN or
14
925 20-WH ye
17
966 20-BU pk
(Ref to OEM: Transmission Controls) 18
535 20-BU rd
19
912 20-WH rd
20
539 20-PK bu
21
199 20-BU ye
25
923 20-OR bk
26
1875 18-OR wh
30 SIG RTN

(C1381a)
224 20-BN wh
36
Central Junction Box (CJB) – (14A067)

Return To Overview
 Connectors

Return To Overview

C1381a C1381b

C1381c
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In the interest of continuing product development, Diesel Laptops reserves the right to change specifications within this document at any time without prior notice.
If you require additional reference materials or information, please contact Diesel Laptops.

WARNING: Diesel Laptops will not be held liable for any consequential or incidental damages including, but not limited to: Engine/vehicle downtime; loss of income or profits; damage potentially caused
to other engines, vehicles, or property and any attorney fees. Diesel Laptops will not be responsible for any liability you may have in respect to yourself, another person, or entity. Diesel Laptops urges
users to carefully follow all proper safety procedures before and during the application of this manual as a reference. Improper safety precautions can result in severe injury or death.
Diesel Laptops will not be held accountable for any inappropriate safety measures or faults made by the user while performing diagnostics.