2.3 Turbo EEC-4 Specifications, Part Numbers, Calibration Codes, and Pinouts
Restoration Progress and Photo Archive
The Official 20th Anniversary Mustang Website & Registry


85~89 Merkur

83~86 T-Bird
83~84.5 Mustang
GT/GT350

84~85 SVO Mustang

85.5~86 SVO Mustang

87~88 T-Bird

Application

Name

Misc Info

1

1

1

1

1

Keep Alive Power

KAPWR

-

-

-

-

2

Brake On-Off

BOO

4

4

4

4

4

Ignition Diagnostic Monitor

IDM

-

-

-

-

6

Cruise Control

VSS-DIF (-)

7

7

7

7

7

Engine Coolant Temerature

ECT

10

10

10

10

10

A/C Clutch

ACC

16

16

16

16

16

Ignition Ground

IGN GND

17

17

17

17

17

Self Test Output

STO

20

20

20

20

20

Case Ground

CSE GND

21

21

21

21

21

Idle Speed Control

ISC

22

22

22

22

22

Fuel Pump Control

FP

23

23

23

23

23

Knock Sensor

KS

25

25

25

25

43

Vane Air Temerature

VAT

26

26

26

26

26

Voltage Reference

Vref

29

29

29

29

29

Exhaust Gas Oxygen Sensor

EGO

30

30

-

-

30

Neutral Drive Switch (auto)
Neutral Input (stick)

NDS
NI

32

32

32

32

31

Boost Control

BOOST

Some Early 1984 SVO's use a seperate box to operate the BCS

34

-

-

-

34

Data Output Link

DOL

used for trip/mpg accesory

35

35

35

35

33

EGR Shutoff

EGR S/O

36

36

36

36

36

Spark Output

SPOUT

37

37

37

37

37

Vehicle Power

V PWR

40

40

40

40

40

Battery Ground

BATT GND

-

-

-

-

42

Kick Down Solinoid

KDS

Automatic Tranny only

43

43

43

43

27

Vane Air Flow

VAF

45

45

45

45

45

Barometric Pressure

BP

aka. BAP sensor

46

46

46

46

46

Signal Return

SIG RET

47

47

47

47

47

Throttle Position

TP

aka TPS (throt. pos. sensor)

48

48

48

48

48

Self Test Input

STI

49

49

49

49

49

EGO Ground

EGO GND

-

-

-

-

52

high-electro drive fan

HEDF

-

-

-

-

53

locking upshift solinoid

LUS

54

54

54

-

54

WOT A/C Cutoff

WAC

-

-

-

-

55

Eletro Drive Fan

EDF

58

58

58

58

58

Injector Bank 1

INJ 1

59

59

59

59

59

Injector Bank 2

INJ 2

60

60

60

60

60

Battery Ground

BATT GND

-

-

30

30

24

Octane Switch

OCT ADJ

-

-

-

-

25

Air Charge Temp

ACT

Measured after the Intercooler

-

-

-

-

35

Programmed Ride Control

ACL


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