Vacuum

ReserviourMetered

Ambient

Pressure

Air From

Intake

Pipe

BLKBLK

RED

GRN

RED

RED

REDRED

REDRED

RED

BLK GRN

Check

Valve

BLK

BLK RED

RED

To Evap System

Top PortTo HVAC

Vac/Boost

Lower Manifold

Vacuum

Upper Manifold

Top

Boost

Dump

Solenoid Mid

Bot

EGR

Solenoid

Top

BotMale Y Fitting

Vacuum Line

Male Splice Fitting

Female Elbow Fitting

Female Splice Fitting

Cap

Legend

Vacuum/Boost Gauge

Stock 03/04 Mustang Cobra Vacuum Harness DiagramMark Olson

Fuel

Rail

Pressure

Sensor

Boost Top

Bypass

Valve Bot

RED

RED

RED

Bottom

Of Boost

Bypass

Valve

EGR

Valve

BLK

BLK

BLK

BLK

Revision 2, 11/10/2010

Stock 03/04 Mustang Cobra Vacuum Harness PhotoMark Olson

Vacuum

Reserviour

Metered

Ambient

Pressure

Air From

Intake

Pipe

To Evap System & HVAC

Vac/Boost

Lower Manifold

2 Lines

To Vacuum/Boost Gauge

EGR

Valve

Vacuum

Upper Manifold

3 Lines

EGR

Pressure

Transducer

Bottom

Of Boost

Bypass

Valve

Check

Valve

Boost

Dump

SolenoidEGR

Solenoid

Fuel

Rail

Pressure

Sensor

Top

Of Boost

Bypass

Valve

Revision 2, 11/10/2010

Blower

Inlet

Plenum

Green

Fitting

White

Fitting

Stock 03/04 Mustang Cobra Evap System DiagramMark Olson

From Vacuum Harness

Top

Rear Evap

System

Front in Fender

To Fuel Tank

To Vent Solenoid Valve

Revision 2, 11/10/2010

Stock 03/04 Mustang Cobra Evap System Hose PhotoMark Olson

Blower

Inlet

Plenum

Hose

To Evap

System

In Fender

Rear Port

Revision 2, 11/10/2010

Stock 03/04 Mustang Cobra Evap System PhotoMark Olson

Top Port

Front Port

Rear Port

Revision 2, 11/10/2010

Photo Courtesy of

Mosconiac on

SVTPerformance.com

Stock 03/04 Mustang Cobra PCV Vacuum DiagramMark Olson

PC

V

Va

lve

Driver’s Side

Valve Cover

PCV Vacuum

Source

on Blower

Bottom of the

Lower Intake Manifold

Air

Pipe

Passenger Side

Valve Cover

Revision 2, 11/10/2010

Stock 03/04 Mustang Cobra PCV System PhotoMark Olson

Intake

Pipe

Passenger Side

Valve Cover

PCV Valve Fitting

(Driver’s Side Valve Cover)

Bottom of the

Lower Intake Manifold

PCV Vacuum Source

on Blower

Revision 2, 11/10/2010

Stock 03/04 Mustang Cobra Eaton Blower PhotoMark Olson

EGR

Inlet

PCV

Vacuum

Source

Vac/Boost

Lower Manifold

(2 Line Fitting)

Vacuum

Upper Manifold

(3 Line Fitting)

Revision 2, 11/10/2010

Stock 03/04 Mustang Cobra Under-hood Vacuum Harness DiagramMark Olson

Revision 2, 11/10/2010