Old Geezer

iTrader: (3)

Been searching for a couple hrs, and have found zip.
I have a 2005 Hummer H2 6.0, and need to eliminate the uneeded wiring. [PCM service # is 12589463]
NE1 have a pinout, or other info that I may use??
If you have th einfo, I'd appreciate an email, or a place to find such.. codymspt@bellsouth.net
THANKS!

Bo185

These should be close.
https://ls1tech.com/forums/7751990-post71.html

HDon22s

iTrader: (2)

Check w/ poconojoe seems very helpful w/details

Old Geezer

iTrader: (3)

for the help!
I'll check w/ Joe, to see if he has NE more info...
Getting there, slow, but sure!!

lt4malibu

iTrader: (39)

Connector #1
Connector Part Information
• 12191489

• 80-Way F Micro-Pack 100 W Sealed (BU)

Pin
Wire Color
Circuit No.
Function

1
BK/WH
451
Ground

2
L-GN
1867
12-Volt Reference

3
PK/BK
1746
Fuel Injector 3 Control

4
L-GN/BK
1745
Fuel Injector 2 Control

5-6
--
--
Not Used

7
GY
2705
5-Volt Reference

8-10
--
--
Not Used

11
L-BU
1876
Knock Sensor 2 Signal

12
D-BU/WH
1869
CKP Sensor Signal

13
--
--
Not Used

14
OG/BK
1061
UART Serial Data

15
D-BU/WH
774
UART Serial Data

16
--
--
Not Used

17
D-BU
1225
Transmission Fluid Pressure Switch Signal B

18
RD
1226
Transmission Fluid Pressure Switch Signal C

19
PK
439
Ignition 1 Voltage

20
OG
440
Battery Positive Voltage

21
YE/BK
1868
Low Reference

22
--
--
Not Used

23
BK
470
Low Reference

24
BK/WH
451
Ground

25
TN
1671
HO2S Low Signal - Bank 2 Sensor 2

26
TN
1667
HO2S Low Signal - Bank 2 Sensor 1

27
BK/WH
451
Ground

28
TN/WH
1669
HO2S Low Signal - Bank 1 Sensor 2

29
TN
1664
HO2S Low Signal - Bank 1 Sensor 1

30-31
--
--
Not Used

32
BK/WH
771
Transmission Range Switch Signal A

33
PU
420
TCC Brake Switch Signal

34
WH
776
Transmission Range Switch Signal P

35
--
--
Not Used

36
BK
1744
Fuel Injector 1 Control

37
YE/BK
846
Fuel Injector 6 Control

38
--
--
Not Used

39
YE/BK
625
Starter Enable Relay Control

40
BK/WH
451
Ground

41-42
--
--
Not Used

43
RD/BK
877
Fuel Injector 7 Control

44
L-BU/BK
844
Fuel Injector 4 Control

45
GY
2700
5-Volt Reference

46
GY
474
5-Volt Reference

47
--
--
Not Used

48
GY
597
5-Volt Reference

49-50
--
--
Not Used

51
D-BU
496
Knock Sensor 1 Signal

52
--
--
Not Used

53
BK
407
Low Reference

54
OG/BK
469
Low Reference

55-56
--
--
Not Used

57
OG
440
Battery Positive Voltage

58
D-GN
1049
Class 2 Serial Data

59
YE
710
Class 2 Serial Data

60
--
--
Not Used

61
PK/BK
632
Low Reference

62
--
--
Not Used

63
BK
2755
Low Reference

64
BK/WH
451
Ground

65
PU
1670
HO2S High Signal - Bank 2 Sensor 2

66
PU
1666
HO2S High Signal - Bank 2 Sensor 1

67
BK/WH
451
Ground

68
PU/WH
1668
HO2S High Signal - Bank 1 Sensor 2

69
PU/WH
1665
HO2S High Signal - Bank 1 Sensor 1

70
BN
1174
Oil Level Switch Signal

71
--
--
Not Used

72
YE
772
Transmission Range Switch Signal B

73
BN/WH
633
CMP Sensor Signal

74
YE
410
ECT Sensor Signal

75
PK
1020
Ignition 0 Voltage

76
BK/WH
845
Fuel Injector 5 Control

77
D-BU/WH
878
Fuel Injector 8 Control

78
--
--
Not Used

79
WH
687
3-2 Shift Solenoid Valve Control

80
GY
720
Low Reference
--------------------------------------------------------------
Connector #2
Connector Part Information
• 12191488

• 80-Way F Micro-Pack 100 W Sealed (GN)

Pin
Wire Color
Circuit No.
Function

1
BK/WH
451
Ground

2
BN
418
TCC PWM Solenoid Valve Control

3-5
--
--
Not Used

6
RD/BK
1228
PC Solenoid Valve High Control (Sol. A)

7
--
--
Not Used

8
L-BU/WH
1229
PC Solenoid Valve Low Control (Sol. A)

9
D-GN/WH
465
Fuel Pump Relay Control

10
WH
121
Engine Speed Signal

11-13
--
--
Not Used

14
RD/BK
380
A/C Refrigerant Pressure Sensor Signal

15
BN
25
Charge Indicator Control

16
GY/BK
1694
4WD Low Signal

17-19
--
--
Not Used

20
L-GN/BK
822
VSS Low Signal

21
PU/WH
821
VSS High Signal

22-24
--
--
Not Used

25
TN
472
IAT Sensor Signal

26
PU
2121
IC 1 Control

27
RD
2127
IC 7 Control

28
L-BU/WH
2126
IC 6 Control

29
D-GN/WH
2124
IC 4 Control

30
--
--
Not Used

31
YE
492
MAF Sensor Signal

32
L-GN
432
MAP Sensor Signal

33
--
--
Not Used

34
D-GN/WH
428
EVAP Canister Purge Solenoid Control

35-38
--
--
Not Used

39
RD
631
12-Volt Reference

40
BK/WH
451
Ground

41
--
--
Not Used

42
TN/BK
422
TCC Solenoid Valve Control

43
D-GN/WH
459
A/C Compressor Clutch Relay Control

44
--
--
Not Used

45
WH
1310
EVAP Canister Vent Solenoid Control

46
BN/WH
419
MIL Control

47
YE/BK
1223
Shift Solenoid B Valve Control

48
L-GN
1222
Shift Solenoid A Valve Control

49
--
--
Not Used

50
D-GN/WH
817
Vehicle Speed Signal

51
YE/BK
1227
TFT Sensor Signal

52
BN
2391
HO2S Heater Low Control - Bank 1 Sensor 2

53
RD/WH
3223
HO2S Heater Low Control - Bank 2 Sensor 2

54
PU/WH
1589
Fuel Level Sensor Signal

55-56
--
--
Not Used

57
BK
552
Low Reference

58
TN/WH
332
Oil Pressure Sensor Signal

59
PU
806
Crank Voltage

60
BN
2129
Low Reference

61
BN/WH
2130
Low Reference

62
GY
773
Transmission Range Switch Signal C

63
PK
1224
Transmission Fluid Pressure Switch Signal A

64
D-GN
890
Fuel Tank Pressure Sensor Signal

65
--
--
Not Used

66
PU/WH
2128
IC 8 Control

67
RD/WH
2122
IC 2 Control

68
D-GN
2125
IC 5 Control

69
L-BU
2123
IC 3 Control

70-71
--
--
Not Used

72
BK/WH
3113
HO2S Heater Low Control - Bank 1 Sensor 1

73
--
--
Not Used

74
L-GN
3212
HO2S Heater Low Control - Bank 2 Sensor 1

75
GY
23
Generator Field Duty Cycle Signal

76-79
--
--
Not Used

80
BK
2751
Low Reference

Old Geezer

iTrader: (3)

Thanks a bunch. Got it saved and printed.
Now, all I have to do is "finish up"!!!!!

Old Geezer

iTrader: (3)

1 last ?? How does the gray cover plate come off the PCM plug?? [gettin too old, I guess. Logic escapes me!]

poconojoe

iTrader: (43)

I take a pair of needlenose pliers and gently grap both sides of the plastic standoffs and twist the pliers slightly as I use leverage off the metal connector housing, to lift it up. Sorry I didn't get in your thread earlier, if you need any prints Email me