E-450 GEN4 Wiring Harnesses and Connector Layout - Wiring Diagrams and Electrical Schematics

Oct 25, 2026

Upload by Kurz

E-450 GEN4 wiring harness and electrical schematic reference describing wiring diagram sections for underhood, rear frame, tank, in-tank, and CAN bus harnesses. Lists connector layouts, harness names, and inline routes linking components such as supply solenoids, bleed solenoids, fuel pumps, flow control and fuel level sender circuits, battery power/ground terminations, OBD flange connections, and pass-through grommets. Includes multiple part-numbered harness and fuse box references for Ford systems and connector pin mapping.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages7

Reading Time18 min

AccessFree to download

E-450 Electrical Schematic—Underhood Harness

E-450 Electrical Schematic—Rear Frame Harness

E-450 Electrical Schematic—Tank Harness

E-450 Electrical Schematic—CAN Bus Harness

WIRING DIAGRAMS AND ELECTRICAL SCHEMATICS E-450 GEN4 Wiring Harnesses and Connector Layout UNDERHOOD HARNESS CAN HARNESS REAR FRAME HARNESS TANK HARNESS IN-TANK HARNESS UNDERHOOD HARNESS BCUTS – BLUNT CUTS FOR CRANK WARNING, FUEL COOLER, AC2 REQ, AND A/C CLUTCH2 C1 SRM, 46-PIN C2 UNDERHOOD / TANK INLINE, 16-PINC3 IPTS, 4-PIN C5 SUPPLY SOLENOID, 2-PIN C6 BLEED SOLENOID, 2-PINC23 UNDERHOOD / CAN HARNESS INLINE, 2-PIN FB FUSE BOX T1 BATTERY PWR, RING TERMINAL T3 BATTERY GROUND, RING TERMINAL T4 SRM CASE GROUND, RING TERMINAL CAN HARNESS C1 OBD FLANGE MOUNT, 16-PINC2 CAN / UNDERHOOD INLINE, 2-PINC4 OBD INLINE TO FORD HARNESS, 16-PING1 PASS-THRU GROMMET REAR FRAME HARNESS C1 REAR FRAME / TANK HARNESS INLINE, 16-PINC2 FORD FTPT HARNESS INLINE, 3-PINC3 FORD FTPT SENSOR, 3-PIN C6 REAR FRAME / UNDERHOOD INLINE, 16-PINC9 RCT EFPR, 8-PIN C10 FORD FPCM HARNESS INLINE, 8-PINC11 FORD EFPR, 8-PIN C18 FORD FUEL TANK HARNESS INLINE, 4-PINT3 FRAME GROUND, RING TERMINAL TANK HARNESS C1 TANK / REAR FRAME HARNESS INLINE, 16-PINC2 FUEL LEVEL SENDER, 3-PIN C3 IPTS \#2, 4-PIN C4 FLOW CONTROL SOLENOID (GRAY), 2-PINC5 TANK / IN-TANK FP \#1 INLINE, 2-PIN C6 TANK / IN-TANK FP \#2 INLINE, 2-PINC7 SUPPLY SOLENOID (BLACK), 2-PIN IN-TANK HARNESS C1 FUEL PUMP \#1 INLINE, 2-PIN C4 FUEL PUMP \#2 INLINE, 2-PIN 7 TANK PASS-THRU GROMMET WIRING DIAGRAMS AND ELECTRICAL SCHEMATICS E-450 Roush Wiring Harnesses T3-GNDC-340-38 SUPPLY SOLENOID (BLACK) C5 DT06-2S-CE05 2 1 T1-BATT PWRC-340-38 IPTS C3 1-967640-1 UNDERHOOD HARNESS P16JC-18A100-A ACCESSORY BLUNT CUTS BLEED SOLENOID (GRAY) C6 DT06-2S-CE01 2 1 FUSE BOX 12110594 D1 D4 D2 A1 A4 A2 D5 A5 D3 A3 F1 E1 B1 B4 B2 F2 E2 F3 E3 B5 B3 F4 E4 C1 C4 C2 F5 E5 C5 F6 E6 C3 FTPT SENSOR C3 13511996 T3-FRAME GND 12103507 REAR FRAME HARNESS P16JC-18C200-A FORD FPCM HARNESS INLINE (NO KEYWAY) C10 P16JC-18C205-AA FORD FTPT HARNESS INLINE C2 15326813 FORD FUEL TANK ASSY INLINE C18 54200414 T4-CASE GND 2984172 REAR FRAME/ UNDERHOOD INLINE C6 34986-1601 33476-1601 C2 UNDERHOOD/ REAR FRAME INLINE C23 UNDERHOOD/ CAN INLINE (GRAY) 7283-6441-40 C11 FORD EFPR 1326110-1 C1 SRM CAN/OBD FORD HARNESS INLINE C4 68503 1602 7283-6441-40 C9 RCT EFPR REAR FRAME/ TANK INLINE C1 33476-1601 WIRING DIAGRAMS AND ELECTRICAL SCHEMATICS E-450 Electrical Schematic—Underhood Harness 100607a WIRING DIAGRAMS AND ELECTRICAL SCHEMATICS E-450 Electrical Schematic—Rear Frame Harness C13 | |
VT GN | 2 | | | --- | --- | --- | --- | | | J VPWR
PLUG PLUG
1 Y OR | | | | | J FPC_ - BK | | | | | J FORD GND
PLUG PLUG
Y VT | | 5 | | | J ENS -

BN W | | | | | J FPM
PLUG PLUG | | | | | | 8 | | | C12
Roush EFPR | Ford FPCM Harness Inline (no keyway) | | --- | --- | |

7 2
6 4
3 1
8 5 FUEL PUMP MONITOR NOT_USED_1
ENSGND
FUEL PUMP COMM. VPWR
FUEL PUMP RETURN
FUEL PUMP PWR
1
2
3
4
1
2
3
1 9
2 8
16
3 4
5 6
7
10
11
12
13
14
15
1
2
3
4
6
5
7
8
FORD GND 1
VPWR RO A
A FPPWR 1
YE-GY
A FPRTN 1
A FPRTN 1
SHIELD GND 1B
FPM 2 B
BN-WH
FPM 2 B
FL SND 1 B

A

FUEL LEVEL B
VPWR P2

VT-GN
SUPPLY SOL PWR B VPWR P2
| | WIRING DIAGRAMS AND ELECTRICAL SCHEMATICS E-450 Electrical Schematic—Tank Harness SUPPLY VALVE IPTS \#2 FUEL ~~ SNS~~FL~~R~~S~~PWR~~ND~~ ~~1~~2~~A~~ BN~~YE/WH~~ ~~ Tank / In-Tank Inline 2 TW1 C5 ~~ BK SUPPLY SOL 1 A ~~ BLACK C2 Tank / In-Tank Inline 1 FLOW CONTROL VALVE LEVEL SENDER RD SUPPLY SOL PWR A ~~ BK FCS A ~~ ~~ RD ~~ ~~ BL/OG FL GND A YE/WH ~~ | | 1 2
3 4 | | --- | --- | | | A
B | | --- | --- | |
| | | 1 2 | | | --- | --- | | 1 9
2 8
16
3 4
5 6
7
10
11
12
13

FAQs

What harness sections are covered in the E-450 GEN4 wiring diagrams?

The document covers underhood harnesses, rear frame harnesses, tank and in-tank harnesses, and CAN bus harness connections.

Which components and circuits are referenced in the tank and in-tank wiring sections?

It references supply/flow control solenoids and valves, fuel pump circuits (including pump monitoring communications and power/return), and the fuel level sender.

How are CAN bus and OBD connections organized in the CAN bus harness diagram?

The CAN bus harness diagram includes OBD2 flange mount to Ford harness inline routing and maps CAN-H (+) and CAN-H (-) lines to connector/pin identifiers along with grommet and inline references.

Oct 25, 2026

Upload by Kurz