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Wiring diagrams
Im looking for PCM printouts for a 2003 express 6.0. I can't seem to locate any that match my harness. Does anyone have these or know where I could get them without having to spend $30 for a subscription?
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have you tried lt1swap.com they have many helpful diagrams all types and its free
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C1
Connector Part Information
12191489
80-Way F Micro-Pack 100W Sealed (BLU)
Pin
Wire Color
Circuit No.
Function
1
BLK/WHT
1551
Ground
2
LT GRN
1867
12 Volt Reference
3
PNK/BLK
1746
Fuel Injector 3 Control
4
LT GRN/BLK
1745
Fuel Injector 2 Control
5-6
--
--
Not Used
7
GRY
2705
5 Volt Reference
8
GRY
2701
5 Volt Reference
9-10
--
--
Not Used
11
LT BLU
1876
Knock Sensor 2 Signal
12
YEL
573
CKP Sensor 1 Signal
13-16
--
--
Not Used
17
DK BLU
1225
Transmission Fluid Pressure Switch Signal B
18
ORN
1226
Transmission Fluid Pressure Switch Signal C
19
PNK
439
Ignition 1 Voltage
20
RED/WHT
440
Battery Positive Voltage
21
PPL
574
Low Reference
22
--
--
Not Used
23
TAN
2759
Low Reference
24
BLK/WHT
1551
Ground
25
TAN
1671
HO2S Low Signal - Bank 2 Sensor 2
26
TAN
1667
HO2S Low Signal - Bank 2 Sensor 1
27
BLK/WHT
1551
Ground
28
TAN/WHT
1669
HO2S Low Signal - Bank 1 Sensor 2
29
TAN
1664
HO2S Low Signal - Bank 1 Sensor 1
30-31
--
--
Not Used
32
TAN/WHT
771
Transmission Range Switch Signal A
33
PPL
420
TCC Brake Switch/Cruise Control Release Signal
34
WHT
776
Transmission Range Switch Signal P
35
--
--
Not Used
36
TAN
1744
Fuel Injector 1 Control
37
YEL/BLK
846
Fuel Injector 6 Control
38
--
--
Not Used
39
YEL/BLK
625
Starter Enable Relay Control
40
BLK/WHT
1551
Ground
41
PPL
719
Low Reference (6.0L)
42
--
--
Not Used
43
ORN/BLK
877
Fuel Injector 7 Control
44
LT BLU/BLK
844
Fuel Injector 4 Control
45
--
--
Not Used
46
GRY
2709
5 Volt Reference
47
GRY
596
5 Volt Reference (6.0L)
48
GRY
597
5 Volt Reference
49-50
--
--
Not Used
51
DK BLU
496
Knock Sensor 1 Signal
52
--
--
Not Used
53
TAN
2762
Low Reference
54
ORN/BLK
469
Low Reference
55
BRN
1456
EGR Valve Position Signal (6.0L)
56
--
--
Not Used
57
RED/WHT
440
Battery Positive Voltage
58
DK GRN
1049
Class 2 Serial Data
59
YEL
710
Class 2 Serial Data
60
TAN
2752
Low Reference
61
PNK/BLK
632
Low Reference
62
--
--
Not Used
63
BLK
2755
Low Reference
64
BLK/WHT
1551
Ground
65
PPL
1670
HO2S High Signal - Bank 2 Sensor 2
66
PPL
1666
HO2S High Signal - Bank 2 Sensor 1
67
BLK/WHT
1551
Ground
68
PPL/WHT
1668
HO2S High Signal - Bank 1 Sensor 2
69
PPL/WHT
1665
HO2S High Signal - Bank 1 Sensor 1
70
BRN
1174
Oil Level Switch Signal
71
--
--
Not Used
72
YEL
772
Transmission Range Switch Signal B
73
BRN/WHT
633
CMP Sensor Signal
74
YEL
410
ECT Sensor Signal
75
PNK
1020
Ignition 0 Voltage
76
TAN/WHT
845
Fuel Injector 5 Control
77
DK BLU/WHT
878
Fuel Injector 8 Control
78
--
--
Not Used
79
WHT
687
3-2 Shift Solenoid Valve Control (5.3L)
80
TAN
2761
Low Reference
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C2
Connector Part Information
12191488
80-Way F Micro-Pack 100W Sealed (GRN)
Pin
Wire Color
Circuit No.
Function
1
BLK/WHT
1551
Ground
2
BRN
418
TCC PWM Solenoid Valve Control
3-5
--
--
Not Used
6
ORN/BLK
1228
PC Solenoid Valve High Control
7
ORN
1676
EGR Solenoid High Control (6.0L)
8
LT BLU/WHT
1229
PC Solenoid Valve Low Control
9
DK GRN/WHT
465
Fuel Pump Relay Control - Primary
10-12
--
--
Not Used
13
LT BLU/BLK
396
Cruise Control Engaged Signal
14
--
--
Not Used
15
ORN
225
Generator Turn On Signal
16
--
--
Not Used
17
DK GRN/WHT
2523
A/C Request Signal (C60)
18-19
--
--
Not Used
20
PPL
401
Signal Low - Front
21
YEL
400
Signal High - Front
22
ORN/BLK
1230
AT ISS High Signal (4L80-E)
23
DK BLU/WHT
1231
AT ISS Low Signal (4L80-E)
24
DK BLU
411
TP Sensor Signal
25
TAN
472
IAT Sensor Signal
26
PPL
2121
IC 1 Control
27
ORN
2127
IC 7 Control
28
LT BLU/WHT
2126
IC 6 Control
29
DK GRN/WHT
2124
IC 4 Control
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 Control
35-36
--
--
Not Used
37
DK GRN
83
Cruise Control Inhibit Signal
38
--
--
Not Used
39
ORN
631
12 Volt Reference
40
BLK/WHT
1551
Ground
41
WHT
257
EGR Solenoid Control (6.0L)
42
TAN/BLK
422
TCC Solenoid Valve Control (5.3L)
43
DK GRN/WHT
459
A/C Compressor Clutch Relay Control (C60)
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
48
LT GRN
1222
1-2 Shift Solenoid Valve Control
49
YEL/BLK
1827
Vehicle Speed Signal
50
DK GRN/WHT
817
Vehicle Speed Signal
51
YEL/BLK
1227
TFT Sensor Signal
52
PPL
5035
HO2S Heater Low Control - Bank 1 Sensor 2
53
YEL
5036
HO2S Heater Low Control - Bank 2 Sensor 2
54
PPL
1589
Fuel Level Sensor Signal
55
DK GRN
603
A/C Low Pressure Switch Signal (C60)
56
--
--
Not Used
57
TAN
470
Low Reference
58
TAN/WHT
331
Oil Pressure Sensor Signal
59
PPL
806
Crank Voltage
60
BRN
2129
Low Reference
61
BRN/WHT
2130
Low Reference
62
GRY
773
Transmission Range Switch Signal C
63
PNK
1224
Transmission Fluid Pressure Switch Signal A
64
DK GRN
890
Fuel Tank Pressure Sensor Signal
65
--
--
Not Used
66
PPL/WHT
2128
IC 8 Control
67
ORN/WHT
2122
IC 2 Control
68
DK GRN
2125
IC 5 Control
69
LT BLU
2123
IC 3 Control
70-71
--
--
Not Used
72
LT BLU
5038
HO2S Heater Low Control - Bank 1 Sensor 1
73
--
--
Not Used
74
PPL/WHT
5037
HO2S Heater Low Control - Bank 2 Sensor 1
75
GRY
23
Generator Field Duty Cycle Signal
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
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srry its in that weird format but i hope thats what your looking for, i couldnt get it in a nice form.
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