N21923

iTrader: (8)

Anyone got one for a 99-00 Silverado 2wd?

mulletnotch

iTrader: (2)

Theres a sticky with most if not all the common schematics/pinouts....

Good luck!

N21923

iTrader: (8)

Ya, I reference that pretty often. It's got just about every Silverado above 2001 on there, but not the 99 & 00.

lt4malibu

iTrader: (39)

what pinouts do you need? PCM?

N21923

iTrader: (8)

Ya, for the main PCM connectors. Red and blue.

lt4malibu

iTrader: (39)

1999:
Connector Part Information
• PCM Connector C1 Assembly 12191489

• TPA (BLU) 12176408

• Connector Cover 12191108

Pin
Wire Color
Circuit No.
Function

1
BLK/WHT
451
PCM Ground

2
LT GRN
1867
Crankshaft Position Sensor B+ Supply

3
PNK/BLK
1746
Injector 3 Control

4
LT GRN/BLK
1745
Injector 2 Control

5-10
--
--
Not Used

11
LT BLU
1876
Knock Sensor Signal Rear

12
DK BLU/WHT
1869
Crankshaft Position Sensor Signal

13-16
--
--
Not Used

17
DK BLU
1225
Transmission Range Signal B

18
RED
1226
Transmission Range Signal C

19
PNK
439
PCM Ignition Supply

20
ORN
440
PCM Battery Supply

21
YEL/BLK
1868
Crankshaft Position Sensor Ground

22
--
--
Not Used

23
PPL
719
Sensor Ground

24
--
--
Not Used

25
TAN
1671
HO2S Signal Low Bank 2 Sensor 2

26
TAN
1667
HO2S Signal Low Bank 2 Sensor 1

27
--
--
Not Used

28
TAN/WHT
1669
HO2S Signal Low Bank 1 Sensor 2

29
TAN/WHT
1653
HO2S Signal Low Bank 1 Sensor 1

30
LT GRN
1478
Engine Coolant Level Switch

31
--
--
Not Used

32
BLK/WHT
771
PRND A Input

33
PPL
420
TCC Brake Switch

34
WHT
776
PRND P Input

35
GRA
48
Clutch Switch Signal

36
BLK
1744
Injector 1 Control

37
YEL/BLK
846
Injector 6 Control

38-39
--
--
Not Used

40
BLK/WHT
451
PCM Ground

41
BLK
407
Sensor Ground

42
--
--
Not Used

43
RED/BLK
877
Injector 7 Control

44
LT BLU/BLK
844
Injector 4 Control

45
GRA
474
Fuel Tank Pressure Sensor 5V Reference

46
GRA
416
TP Sensor 5V Reference

47
GRA
597
MAP Sensor 5V Reference

48
GRA
596
EGR Pintle Position Sensor 5V Reference

49-50
--
--
Not Used

51
DK BLU
496
Knock Sensor Signal Front

52
--
--
Not Used

53
BLK
470
Fuel Tank Pressure Sensor Ground

54
BLK
452
TP Sensor Ground

55
BRN
1456
EGR Pintle Position Sensor Signal

56
--
--
Not Used

57
ORN
440
PCM Battery Supply

58
DK GRN
1049
Serial Data

59
YEL
710
Serial Data

60
ORN/BLK
469
MAP Sensor Ground

61
PNK/BLK
632
CMP Sensor Ground

62
--
--
Not Used

63
GRA
720
Engine Coolant Temperature (ECT) Sensor Ground

64
--
--
Not Used

65
PPL
1670
HO2S Signal High Bank 2 Sensor 2

66
PPL
1666
HO2S Signal High Bank 2 Sensor 1

67
--
--
Not Used

68
PPL/WHT
1668
HO2S Signal High Bank 1 Sensor 2

69
PPL/WHT
1665
HO2S Signal High Bank 1 Sensor 1

70
BRN
1174
Low Oil Level Switch

71
--
--
Not Used

72
YEL
772
PRND B Input

73
BRN/WHT
633
Camshaft Position (CMP) Sensor Signal

74
YEL
410
Engine Coolant Temperature (ECT) Sensor Signal

75
PNK
1020
PCM Ignition Supply

76
BLK/WHT
845
Injector 5 Control

77
DK BLU/WHT
878
Injector 8 Control

78
--
--
Not Used

79
WHT
687
3-2 Shift Solenoid Control

80
ORN/BLK
510
Fuel Level Sensor Ground
------------------------------------------------------------------------------------
Connector Part Information
• PCM Connector C2 Assembly 12191488

• TPA (RED) 12176410

• Connector Cover 12191108

Pin
Wire Color
Circuit No.
Function

1
BLK/WHT
451
PCM Ground

2
BRN
418
TCC Control Solenoid

3-5
--
--
Not Used

6
RED/BLK
1228
Transmission Fluid Pressure Control Solenoid High

7
RED
1676
EGR Solenoid Supply

8
LT BLU/WHT
1229
Transmission Fluid Pressure Control Solenoid Low

9
DK GRN/WHT
465
Fuel Pump Relay Control

10
WHT
121
Engine Speed (Tach) Output Signal

11
DK BLU
604
Secondary A/C High Pressure Switch

12
--
--
Not Used

13
LT BLU/BLK
396
Cruise Control Engage Signal

14
--
--
Not Used

15
BRN
25
Generator L Terminal

16
GRA/BLK
1694
4 Wheel Drive Switch Signal Low

17
DK GRN/WHT
762
A/C Request Signal

18
--
--
Not Used

19
BLK/WHT
1695
4 Wheel Drive Front Axle Switch

20
LT GRN/BLK
822
Vehicle Speed Sensor (VSS) Reference Low

21
PPL/WHT
821
Vehicle Speed Sensor (VSS) Signal

22
RED/BLK
1230
Vehicle Speed Sensor (VSS) Signal (6.0L Only)

23
DK BLU/WHT
1231
Vehicle Speed Sensor (VSS) Reference Low (6.0L Only)

24
DK BLU
417
TP Sensor Signal

25
TAN
472
IAT Sensor Signal

26
PPL
2121
Ignition Control 1

27
RED
2127
Ignition Control 7

28
LT BLU/WHT
2126
Ignition Control 6

29
DK GRN/WHT
2124
Ignition Control 4

30
--
--
Not Used

31
YEL
492
MAF Sensor Signal

32
LT GRN
432
MAP Sensor Signal

33
DK GRN
1614
HVAC Recirculation Door Control

34
DK GRN/WHT
428
EVAP Canister Purge Solenoid Control

35
--
--
Not Used

36
BRN
436
AIR Pump Relay Control (w/NC1)

37-38
--
--
Not Used

39
RED
631
CMP Sensor B+ Supply

40
BLK/WHT
451
PCM Ground

41
WHT
257
EGR Solenoid Ground

42
TAN/BLK
422
TCC Enable Circuit (4L60-E only)

43
DK GRN/WHT
459
A/C Clutch Relay Control

44
--
--
Not Used

45
WHT
1310
EVAP Canister Vent Valve Control

46
BRN/WHT
419
Malfunction Indicator Lamp (MIL) Control

47
YEL/BLK
1223
Transmission Shift Solenoid B

48
LT GRN
1222
Transmission Shift Solenoid A

49
YEL/BLK
1827
Vehicle Speed Output Circuit 128K

50
DK GRN/WHT
817
Vehicle Speed Output Circuit 4K

51
YEL/BLK
1227
Transmission Temperature Sensor Signal

52-53
--
--
Not Used

54
PPL
1589
Fuel Level Sensor Signal

55
DK GRN
603
A/C Compressor Cycling Switch Signal

56
--
--
Not Used

57
BLK
552
IAT Sensor Ground

58-59
--
--
Not Used

60
BRN
2129
Ignition Control Reference Low Bank 1

61
BRN/WHT
2130
Ignition Control Reference Low Bank 2

62
GRA
773
PRND C

63
PNK
1224
Transmission Range Signal A

64
DK GRN
890
Fuel Tank Pressure Sensor Signal

65
--
--
Not Used

66
PPL/WHT
2128
Ignition Control 8

67
RED/WHT
2122
Ignition Control 2

68
DK GRN
2125
Ignition Control 5

69
LT BLU
2123
Ignition Control 3

70-75
--
--
Not Used

76
LT GRN/WHT
1749
IAC Coil B High

77
LT GRN/BLK
444
IAC Coil B Low

78
LT BLU/BLK
1748
IAC Coil A Low

79
LT BLU/WHT
1747
IAC Coil A High

80
--
--
Not Used

lt4malibu

iTrader: (39)

2000:
Connector Part Information
• PCM Connector C1 Assembly 12191489

• TPA 12176408 (BLU)

• Connector Cover 12191108

Pin
Wire Color
Circuit No.
Function

1
BLK/WHT
451
PCM Ground

2
LT GRN
1867
Crankshaft Position Sensor B+ Supply

3
PNK/BLK
1746
Injector 3 Control

4
LT GRN/BLK
1745
Injector 2 Control

5-10
--
--
Not Used

11
LT BLU
1876
Knock Sensor Signal Rear

12
DK BLU/WHT
1869
Crankshaft Position Sensor Signal

13-16
--
--
Not Used

17
DK BLU
1225
Transmission Range Signal B

18
RED
1226
Transmission Range Signal C

19
PNK
439
PCM Ignition Supply

20
ORN
440
PCM Battery Supply

21
YEL/BLK
1868
Crankshaft Position Sensor Ground

22
--
--
Not Used

23
PPL
719
Sensor Ground

24
--
--
Not Used

25
TAN
1671
HO2S Signal Low Bank 2 Sensor 2

26
TAN
1667
HO2S Signal Low Bank 2 Sensor 1

27
--
--
Not Used

28
TAN/WHT
1669
HO2S Signal Low Bank 1 Sensor 2

29
TAN/WHT
1653
HO2S Signal Low Bank 1 Sensor 1

30
LT GRN
1478
Engine Coolant Level Switch

31
--
--
Not Used

32
BLK/WHT
771
PRND A Input

33
PPL
420
TCC Brake Switch

34
WHT
776
PRND P Input

35
GRA
48
Clutch Switch Signal

36
BLK
1744
Injector 1 Control

37
YEL/BLK
846
Injector 6 Control

38-39
--
--
Not Used

40
BLK/WHT
451
PCM Ground

41
BLK
407
Sensor Ground

42
--
--
Not Used

43
RED/BLK
877
Injector 7 Control

44
LT BLU/BLK
844
Injector 4 Control

45
GRA
474
Fuel Tank Pressure Sensor 5V Reference

46
GRA
416
TP Sensor 5V Reference

47
GRA
597
MAP Sensor 5V Reference

48
GRA
596
EGR Pintle Position Sensor 5V Reference

49-50
--
--
Not Used

51
DK BLU
496
Knock Sensor Signal Front

52
--
--
Not Used

53
BLK
470
Fuel Tank Pressure Sensor Ground

54
BLK
452
TP Sensor Ground

55
BRN
1456
EGR Pintle Position Sensor Signal

56
--
--
Not Used

57
ORN
440
PCM Battery Supply

58
DK GRN
1049
Serial Data

59
YEL
710
Serial Data

60
ORN/BLK
469
MAP Sensor Ground

61
PNK/BLK
632
CMP Sensor Ground

62
--
--
Not Used

63
GRA
720
Engine Coolant Temperature (ECT) Sensor Ground

64
--
--
Not Used

65
PPL
1670
HO2S Signal High Bank 2 Sensor 2

66
PPL
1666
HO2S Signal High Bank 2 Sensor 1

67
--
--
Not Used

68
PPL/WHT
1668
HO2S Signal High Bank 1 Sensor 2

69
PPL/WHT
1665
HO2S Signal High Bank 1 Sensor 1

70
BRN
1174
Low Oil Level Switch

71
--
--
Not Used

72
YEL
772
PRND B Input

73
BRN/WHT
633
Camshaft Position (CMP) Sensor Signal

74
YEL
410
Engine Coolant Temperature (ECT) Sensor Signal

75
PNK
1020
PCM Ignition Supply

76
BLK/WHT
845
Injector 5 Control

77
DK BLU/WHT
878
Injector 8 Control

78
--
--
Not Used

79
WHT
687
3-2 Shift Solenoid Control

80
ORN/BLK
510
Fuel Level Sensor Ground
-----------------------------------------------------------------------------------
Connector Part Information
• PCM Connector C2 Assembly 12191488

• TPA 12176410 (RED)

• Connector Cover 12191108

Pin
Wire Color
Circuit No.
Function

1
BLK/WHT
451
PCM Ground

2
BRN
418
TCC Control Solenoid

3-5
--
--
Not Used

6
RED/BLK
1228
Transmission Fluid Pressure Control Solenoid High

7
RED
1676
EGR Solenoid Supply

8
LT BLU/WHT
1229
Transmission Fluid Pressure Control Solenoid Low

9
DK GRN/WHT
465
Fuel Pump Relay Control

10
WHT
121
Engine Speed (Tach) Output Signal

11
DK BLU
604
Secondary A/C High Pressure Switch

12
--
--
Not Used

13
LT BLU/BLK
396
Cruise Control Engage Signal

14
--
--
Not Used

15
BRN
25
Generator L Terminal

16
GRA/BLK
1694
4 Wheel Drive Switch Signal Low

17
DK GRN/WHT
762
A/C Request Signal

18
--
--
Not Used

19
BLK/WHT
1695
4 Wheel Drive Front Axle Switch

20
LT GRN/BLK
822
Vehicle Speed Sensor (VSS) Reference Low

21
PPL/WHT
821
Vehicle Speed Sensor (VSS) Signal

22
RED/BLK
1230
Vehicle Speed Sensor (VSS) Signal (6.0L Only)

23
DK BLU/WHT
1231
Vehicle Speed Sensor (VSS) Reference Low (6.0L Only)

24
DK BLU
417
TP Sensor Signal

25
TAN
472
IAT Sensor Signal

26
PPL
2121
Ignition Control 1

27
RED
2127
Ignition Control 7

28
LT BLU/WHT
2126
Ignition Control 6

29
DK GRN/WHT
2124
Ignition Control 4

30
--
--
Not Used

31
YEL
492
MAF Sensor Signal

32
LT GRN
432
MAP Sensor Signal

33
DK GRN
1614
HVAC Recirculation Door Control

34
DK GRN/WHT
428
EVAP Canister Purge Solenoid Control

35
--
--
Not Used

36
BRN
436
AIR Pump Relay Control (w/NC1)

37-38
--
--
Not Used

39
RED
631
CMP Sensor B+ Supply

40
BLK/WHT
451
PCM Ground

41
WHT
257
EGR Solenoid Ground

42
TAN/BLK
422
TCC Enable Circuit (4L60-E only)

43
DK GRN/WHT
459
A/C Clutch Relay Control

44
--
--
Not Used

45
WHT
1310
EVAP Canister Vent Valve Control

46
BRN/WHT
419
Malfunction Indicator Lamp (MIL) Control

47
YEL/BLK
1223
Transmission Shift Solenoid B

48
LT GRN
1222
Transmission Shift Solenoid A

49
YEL/BLK
1827
Vehicle Speed Output Circuit 128K

50
DK GRN/WHT
817
Vehicle Speed Output Circuit 4K

51
YEL/BLK
1227
Transmission Temperature Sensor Signal

52-53
--
--
Not Used

54
PPL
1589
Fuel Level Sensor Signal

55
DK GRN
603
A/C Compressor Cycling Switch Signal

56
--
--
Not Used

57
BLK
552
IAT Sensor Ground

58-59
--
--
Not Used

60
BRN
2129
Ignition Control Reference Low Bank 1

61
BRN/WHT
2130
Ignition Control Reference Low Bank 2

62
GRA
773
PRND C

63
PNK
1224
Transmission Range Signal A

64
DK GRN
890
Fuel Tank Pressure Sensor Signal

65
--
--
Not Used

66
PPL/WHT
2128
Ignition Control 8

67
RED/WHT
2122
Ignition Control 2

68
DK GRN
2125
Ignition Control 5

69
LT BLU
2123
Ignition Control 3

70-75
--
--
Not Used

76
LT GRN/WHT
1749
IAC Coil B High

77
LT GRN/BLK
444
IAC Coil B Low

78
LT BLU/BLK
1748
IAC Coil A Low

79
LT BLU/WHT
1747
IAC Coil A High

80
--
--
Not Used

N21923

iTrader: (8)

O, you're a life saver. Wouldn't happen to have them for a 2001 S10 2wd, would ya?

lt4malibu

iTrader: (39)

2.2 or 4.3?

N21923

iTrader: (8)

4.3, sorry I forgot they put that 4 banger in there.

Needs to be for auto too. I don't know if they came manual...

lt4malibu

iTrader: (39)

Connector Part Information
• 12191110

• 80-Way F Micro-Pack 100 Series (BLU)

Pin
Wire Color
Circuit No.
Function

1
BLK/WHT
351
Ground

2
LT GRN
1867
12 Volt Reference

3
--
--
Not Used

4
LT BLU/BLK
844
Fuel Injector 4 Control

5-7
--
--
Not Used

8
GRY
2701
5 Volt Reference

9
DK BLU
496
KS Signal

10-11
--
--
Not Used

12
YEL
573
CKP Sensor Signal

13-16
--
--
Not Used

17
DK BLU
1225
Transmission Fluid Pressure Switch Signal B (Auto Trans only)

18
RED
1226
Transmission Fluid Pressure Switch Signal C (Auto Trans only)

19
PNK
439
Ignition 1 Voltage

20
ORN
440
Battery Positive Voltage

21
PPL
574
Low Reference

22
--
--
Not Used

23
BLK
2759
Low Reference

24-25
--
--
Not Used

26
TAN
1667
H02S Low Signal

27
--
--
Not Used

28
TAN/WHT
1669
H02S Low Signal

29
TAN/WHT
1653
H02S

30-31
--
--
Not Used

32
BLK/WHT
771
Transmission Range Sitch Signal A (Auto Trans Only)

33
PPL
420
TCC Brake Switch Input

34
WHT
776
Transmission Range Sitch Signal P (Auto Trans Only)

35
BRN/WHT
379
CPP Switch Signal

36
BLK
1744
Fuel Injector 1 Control

37
PNK/BLK
1746
Fuel Injector 3 Control

38-39
--
--
Not Used

40
BLK/WHT
351
Ground

41
BLK
2753
Exhaust Gas Recirculation Sensor - Return

42
--
--
Not Used

43
BLK/WHT
845
Fuel Injector 5 Control

44-45
--
--
Not Used

46
GRY
2709
5 Volt Reference

47
GRY
2702
5 Volt Reference

48
GRY
2704
5 Volt Reference

49
GRY
1716
Knock Sensor Return

50-52
--
--
Not Used

53
BLK
2762
Low Reference (Auto Trans Only)

54
ORN
469
Low Reference

55
BRN
1456
EGR Valve Position Sensor

56
--
--
Not Used

57
ORN
440
Battery Positive Voltage

58
DK GRN
1049
PCM Class 2 Serial Data

59
YEL
710
Class 2 Serial Data

60
BLK
2752
Low Reference

61
PNK/BLK
632
Low Reference

62-65
--
--
Not Used

66
PPL
1666
H02S High Signal

67
--
--
Not Used

68
PPL/WHT
1668
H02S High Signal

69
PPL/WHT
1665
H02S High Signal

70-71
--
--
Not Used

72
YEL
772
Transmission Range Switch Signal B (Auto Trans only)

73
BRN/WHT
633
CMP Sensor Signal

74
YEL
410
ECT Sensor Signal

75
PNK
1020
OFF/RUN/CRANK Voltage

76
LT GRN/BLK
1745
Fuel Injector 2 Control

77
YEL/BLK
846
Fuel Injector 6 Control

78
--
--
Not Used

79
WHT
687
3-2 Shift Solenoid Valve Control (Auto Trans Only)

80
BLK
2761
Low Reference
------------------------------------------------------------------------------------
Connector Part Information
• 12191110

• 80-Way F Micro-Pack 100 Series (RED)

Pin
Wire Color
Circuit No.
Function

1
BLK/WHT
351
Ground

2
BRN
418
TCC PWM Solenoid Vavle Control (Auto Trans Only)

3-5
--
--
Not Used

6
RED/BLK
1228
PC Solenoid Valve High Control (Solenoid A)

7
RED
1676
EGR Valve Supply Voltage

8
LT BLU/WHT
1229
PC Solenoid Valve Low Control (Solenoid A)

9
DK GRN/WHT
465
Fuel Pump Relay Control

10
WHT
121
Engine Speed Signal

11-12
--
--
Not Used

13
LT BLU
396
Cruise Control Engaged Signal

14
--
--
Not Used

15
RED
225
Generator Turn On Signal

16
GRY/BLK
1694
4WD Low Signal

17
DK GRN/WHT
762
A/C Request Signal

18
--
--
Not Used

19
BLK/WHT
1695
Axle Switch Signal

20
LT GRN/BLK
822
VSS Low Signal

21
PPL/WHT
821
VSS High Signal

22-23
--
--
Not Used

24
DK BLU
417
TP Sensor Signal

25
TAN
472
IAT Sensor Signal

26
WHT
423
IC Timing Control

27-30
--
--
Not Used

31
YEL
492
MAF Sensor Signal

32
LT GRN
432
MAP Sensor Signal

33
--
--
Not Used

34
DK GRN/WHT
428
EVAP Canister Purge Solenoid

35
--
--
Not Used

36
BRN
436
AIR Pump Relay Control

37-38
--
--
Not Used

39
RED
631
12 Volt Reference

40
BLK/WHT
351
Ground

41
WHT
257
EGR Solenoid Control

42
TAN/BLK
422
TCC Solenoid Valve Control (Auto Trans Only)

43
DK GRN/WHT
459
A/C Clutch Relay Control

44
--
--
Not Used

45
WHT
1310
EVAP Canister Vent Solenoid Control

46
BRN/WHT
419
MIL Control

47
YEL/BLK
1223
2-3 Shift Solenoid Valve Control (Auto Trans Only)

48
LT GRN
1222
1-2 Shift Solenoid Valve Control (Auto Trans Only)

49
YEL/BLK
1827
Vehicle Speed Signal

50
DK GRN/WHT
817
Vehicle Speed Signal

51
YEL/BLK
1227
TFT Sensor Signal (Auto Trans Only)

52
GRY
23
Generator Field Duty Cycle Signal

53
--
--
Not Used

54
PPL
1589
Fuel Level Sensor Signal

55
DK GRN
603
A/C Low Pressure Switch Signal

56
--
--
Not Used

57
BLK
2760
Low Reference

58-61
--
--
Not Used

62
GRY
773
Transmission Range Switch Signal C (Auto Trans Only)

63
PNK
1224
Transmission Fluid Pressure Switch Signal A (Auto Trans Only)

64
DK GRN
890
Fuel Tank Pressure Signal

65-75
--
--
Not Used

76
LT GRN/WHT
1749
IAC Coil B High Control

77
LT GRN/BLK
444
IAC Coil B Low Control

78
LT BLU/BLK
1748
IAC Coil A Low Control

79
LT BLU/WHT
1747
IAC Coil A High Control

80
--
--
Not Used

N21923

iTrader: (8)

lt4malibu

iTrader: (39)

uhhh, yeah... no need for that.

N21923

iTrader: (8)

ha, it's just I've been looking for the s10 pinouts for a while now. Couldn't even get them one the s10 board.