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p01 DBC vs p59 DBC Harness/Pinouts

Quick Reference
DBC p01 Blue C1
DBC p59 Blue C1
Extra Notes
Ground - 1 BLK/WHT 451 PCM Ground 1 BLACK/WHITE 1551 Ground
cpk 2 LT GRN 1867 Crankshaft Position Sensor B+ Supply 2 LIGHT GREEN 1867 12-Volt Reference
inj 3 PNK/BLK 1746 Injector 3 Control 3 PINK/BLACK 1746 Fuel Injector 3 Control
inj 4 LT GRN/BLK 1745 Injector 2 Control 4 LIGHT GREEN/BLACK 1745 Fuel Injector 2 Control

7 -- -- Not Used 7 GREY 2705 5-Volt Reference 1

8 -- -- Not Used 8 GREY 2701 5-Volt Reference 1 (w/o JL4 - DBC applications)

11 LT BLU 1876 Knock Sensor Signal Rear 11 LIGHT BLUE 1876 Knock Sensor 2 Signal
cpk 12 DK BLU/WHT 1869 Crankshaft Position Sensor Signal 12 YELLOW 573 CKP Sensor Signal

13 ORN/BLK 463 Requested Torque Signal (NW7) 13 ORANGE/BLACK 463 Requested Torque Signal (JL4)

14 ORN/BLK 1061 UART Serial Data (drive by wire only) 14 ORANGE/BLACK 1061 UART Serial Data (w/JL4 - DBW applications)

15 DK BLU/WHT 774 UART Serial Data (drive by wire only) 15 DARK BLUE/WHITE 774 UART Serial Data (w/JL4 - DBW applications)
Transmission 17 DK BLU 1225 Transmission Fluid Pressure Switch B 17 DARK BLUE 1225 Transmission Fluid Pressure Switch Signal B
Transmission 18 RED 1226 Transmission Fluid Pressure Switch C 18 ORANGE 1226 Transmission Fluid Pressure Switch Signal C
Ign +12 19 PNK 439 PCM Ignition Supply 19 PINK 439 Ignition 1 Voltage (PCM)
Battery +12 20 ORN 440 PCM Battery Supply 20 RED/WHITE 440 Battery Positive Voltage
cpk 21 YEL/BLK 1868 Crankshaft Position Sensor Ground 21 PURPLE 574 Low Reference

23 PPL 719 Sensor Ground EGR 23 TAN 2759 Low Reference

24 -- -- Not Used 24 BLACK/WHITE 1551 Ground
Ground - 25 TAN 1671 HO2S Signal Low B2S2 (w/Case Ground O2 Sensors) 25 TAN 1671 HO2S Low Signal - Bank 2 Sensor 2

26 TAN 1667 HO2S Signal Low B2S1 (w/Case Ground O2 Sensors) 26 TAN 1667 HO2S Low Signal - Bank 2 Sensor 1
Ground - 27 -- -- Not Used 27 BLACK/WHITE 1551 Ground

28 TAN/WHT 1669 HO2S Signal Low B1S2 (w/Case Ground O2 Sensors) 28 TAN/WHITE 1669 HO2S Low Signal - Bank 1 Sensor 2

29 TAN 413 HO2S Signal Low B1S1 (w/Isolated Ground O2 Sensors) 29 TAN 1664 HO2S Low Signal - Bank 1 Sensor 1

30 LT GRN 1478 Engine Coolant Level Switch 30 NOT USED

Transmission 32 BLK/WHT 771 PRND A Input 32 TAN/WHITE 771 Transmission Range Switch Signal A
Transmission 33 PPL 420 TCC Brake Switch 33 PURPLE 420 TCC Brake Switch/Cruise Control Release Signal
Transmission 34 WHT 776 P/N Input - PCM can be programmed to accept a SINGLE WIRE park/neutral signal on this PIN 34 WHITE 776 Transmission Range Switch Signal P

35 GRA 48 Clutch Switch Signal (manual trans) 35 Not Used

inj 36 BLK 1744 Injector 1 Control 36 TAN 1744 Fuel Injector 1 Control
inj 37 YEL/BLK 846 Injector 6 Control 37 YELLOW/BLACK 846 Fuel Injector 6 Control
Ground - 40 BLK/WHT 451 PCM Ground 40 BLACK/WHITE 1551 Ground
Transmission 41 BLK or gry 407 Sensor Ground (Trans) w/Case grounded o2 Sensors 41 EGR PURPLE NOT USED

42 -- -- Not Used - ADD PIN HERE FOR FAN 1 RELAY CONTROL 42 electric fan 1
inj 43 RED/BLK 877 Injector 7 Control 43 ORANGE/BLACK 877 Fuel Injector 7 Control
inj 44 LT BLU/BLK 844 Injector 4 Control 44 LIGHT BLUE/BLACK 844 Fuel Injector 4 Control

45 GRA 474 Fuel Tank Pressure Sensor 5V Reference 45 Not Used

tp 46 GRA 416 TP Sensor 5V Reference 46 GREY 2709 5-Volt Reference 2
check map 47 GRA 597 MAP Sensor 5V Reference 47 EGR GREY NOT USED

48 GRA 596 EGR Pintle Position Sensor 5V Reference 48 GREY 597 5-Volt Reference 1

51 DK BLU 496 Knock Sensor Signal Front 51 DARK BLUE 496 KS 1 Signal

53 BLK 470 Fuel Tank Pressure Sensor Ground 53 TAN 2762 Low Reference
tp 54 BLK 452 TP Sensor Ground 54 ORANGE/BLACK 469 Low Reference

55 BRN 1456 EGR Pintle Position Sensor Signal 55 EGR BROWN NOT USED

56 WHT -- Fuel Temp/Composition Signal (L59 Flex Fuel) 56 Not Used

Battery +12 57 ORN 440 PCM Battery Supply 57 RED/WHITE 440 Battery Positive Voltage

58 DK GRN 1049 Serial Data to OBD2 Port 58 DARK GREEN 1049 Class 2 Serial Data

59 YEL 710 Serial Data to BCM 59 Not Used

map 60 ORN/BLK 469 MAP Sensor Ground 60 TAN 2752 Low Reference (w/o JL4 - DBC)
cmp 61 PNK/BLK 632 CMP Sensor Ground 61 PINK/BLACK 632 Low Reference

63 GRY or tan 720 Sensor Ground (ETC) w/case grounded o2 sensors 63 BLACK 2755 Low Reference
Ground - 64 -- -- Not Used 64 BLACK/WHITE 1551 Ground

65 PPL 1670 HO2S Signal High Bank 2 Sensor 2 65 PURPLE 1670 HO2S High Signal - Bank 2 Sensor 2

66 PPL 1666 HO2S Signal High Bank 2 Sensor 1 66 PURPLE 1666 HO2S High Signal - Bank 2 Sensor 1
Ground - 67 -- -- Not Used 67 BLACK/WHITE 1551 Ground

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

69 PPL/WHT 1665 HO2S Signal High Bank 1 Sensor 1 69 PURPLE/WHITE 1665 HO2S High Signal - Bank 1 Sensor 1

70 BRN 1174 Low Oil Level Switch 70 BROWN 1174 Oil Level Switch Signal

71 -- -- Not Used - ADD PIN HERE FOR TOW/HAUL MODE SWITCH INPUT (programming required to make function) 71 Not Used

Transmission 72 YEL 772 PRND B Input 72 YELLOW 772 Transmission Range Switch Signal B
cmp 73 BRN/WHT 633 Camshaft Position (CMP) Sensor Signal 73 BROWN/WHITE 633 CMP Sensor Signal
ect 74 YEL 410 Engine Coolant Temperature (ECT) Sensor Signal 74 YELLOW 410 ECT Sensor Signal
Ign +12 75 PNK 1020 PCM Ignition Supply 75 PINK 1020 Ignition Voltage (PCM)
inj 76 BLK/WHT 845 Injector 5 Control 76 TAN/WHITE 845 Fuel Injector 5 Control
inj 77 DK BLU/WHT 878 Injector 8 Control 77 DARK BLUE/WHITE 878 Fuel Injector 8 Control

78 -- -- Not Used 78 Not Used

Transmission 79 WHT 687 3-2 Shift Solenoid Control 79 WHITE 687 3-2 Shift Solenoid Valve Control (5.3L)
ect 80 ORN/BLK 510 Fuel Level Sensor Ground 80 TAN 2761 Low Reference ECT SENSOR









































DBC p01 Red c2 DBC p59 Green c2
Ground - 1 BLK/WHT 451 PCM Ground 1 BLACK/WHITE 1551 Ground
Transmission 2 BRN 418 TCC Control Solenoid 2 BROWN 418 TCC PWM Solenoid Valve Control

3 TAN 1465 Fuel Pump Relay Control - Secondary 3 Not Used

4 -- -- Not Used 4 Not Used

5 TAN/BLK 464 Delivered Torque Signal 5 TAN/BLACK 464 Delivered Torque Signal (JL4)
Transmission 6 RED/BLK 1228 Transmission Fluid Pressure Control Solenoid High 6 ORANGE/BLACK 1228 PC Solenoid Valve High Control

7 RED 1676 EGR Solenoid Supply 7 EGR ORANGE NOT USED
Transmission 8 LT BLU/WHT 1229 Transmission Fluid Pressure Control Solenoid Low 8 LIGHT BLUE/WHITE 1229 PC Solenoid Valve Low Control
fuel pump 9 DK GRN/WHT 465 Fuel Pump Relay Control 9 DARK GREEN/WHITE 465 Fuel Pump Relay Control - Primary
tach 10 WHT 121 Engine Speed (Tach) Output Signal 10 WHITE TACH

11 DK BLU 604 A/C High Pressure Recirculation Switch 11 Not Used

12 -- -- Not Used 12 Not Used

13 LT BLU/BLK 396 Cruise Control Engage Signal 13 LIGHT BLUE/BLACK 396 Cruise Control Engaged Signal (w/o JL4)

14 -- -- Not Used 14 Not Used

15 BRN 25 Generator L Terminal (Alternator turn on signal) 15 ORANGE 225 Generator Turn On Signal

16 GRA/BLK 1694 4 Wheel Drive Switch Signal Low (KEEP IF USING STOCK TRANSFER CASE IN A 4WD APPLICATION 16 Not Used

17 DK GRN/WHT 762 A/C Request Signal 17 DARK GREEN/WHITE 2523 A/C Request Signal (C60)

18 -- -- Not Used 18 Not Used

19 BLK/WHT 1695 4 Wheel Drive Front Axle Switch 19 Not Used

20 LT GRN/BLK 822 Vehicle Speed Sensor (VSS) Reference Low 20 PURPLE 401 Signal Low - Front

21 PPL/WHT 821 Vehicle Speed Sensor (VSS) Signal 21 YELLOW 400 Signal High - Front

22 RED/BLK 1230 Vehicle Speed Sensor (VSS) Signal (4L80E Only) 22 ORANGE/BLACK 1230 AT ISS High Signal (4L80-E/4L85-E)

23 DK BLU/WHT 1231 Vehicle Speed Sensor (VSS) Reference Low (4L80E Only) 23 DARK BLUE/WHITE 1231 AT ISS Low Signal (4L80-E/4L85-E)
tp 24 DK BLU 417 TP Sensor Signal 24 DARK BLUE 411 TP Sensor Signal (w/o JL4)
iat 25 TAN 472 IAT Sensor Signal 25 TAN 472 IAT Sensor Signal
ignition 26 PPL 2121 Ignition Control 1 26 PURPLE 2121 IC 1 Control
ignition 27 RED 2127 Ignition Control 7 27 ORANGE 2127 IC 7 Control
ignition 28 LT BLU/WHT 2126 Ignition Control 6 28 LIGHT BLUE/WHITE 2126 IC 6 Control
ignition 29 DK GRN/WHT 2124 Ignition Control 4 29 DARK GREEN/WHITE 2124 IC 4 Control

30 -- -- Not Used 30 Not Used

31 YEL 492 MAF Sensor Signal 31 YELLOW 492 MAF Sensor Signal
map 32 LT GRN 432 MAP Sensor Signal 32 LIGHT GREEN 432 MAP Sensor Signal

33 DK GRN 1614 HVAC Recirculation Door Control (KEEP PIN HERE FOR FAN 2 RELAY CONTROL) 33 Electric fan 2

34 DK GRN/WHT 428 EVAP Canister Purge Solenoid Control 34 DARK GREEN/WHITE 428 EVAP Canister Purge Solenoid Valve Control

35 -- -- Not Used 35 Not Used

36 BRN 436 AIR Pump Relay Control (w/NC1) 36 Not Used

37 -- -- Not Used 37 DARK GREEN 83 Cruise Control Inhibit Signal (w/o JL4 or Early Production JL4)

38 -- -- Not Used - ADD PIN FOR PWM FUEL GAUGE SIGNAL OUTPUT (used to run factory fuel level gauge in 96-99 trucks) 38 Not Used
cmp 39 RED 631 CMP Sensor B+ Supply 39 ORANGE 631 12-Volt Reference
Ground - 40 BLK/WHT 451 PCM Ground 40 BLACK/WHITE 1551 Ground

41 WHT 257 EGR Solenoid Ground 41 EGR WHITE NOT USED
Transmission 42 TAN/BLK 422 TCC Enable Circuit (4L60-E only) 42 TAN/BLACK 422 TCC Solenoid Valve Control (5.3L)

43 DK GRN/WHT 459 A/C Clutch Relay Control 43 DARK GREEN/WHITE 459 A/C Compressor Clutch Relay Control (C60)

44 -- -- Not Used 44 Not Used

45 WHT 1310 EVAP Canister Vent Valve Control 45 WH 1310 EVAP Canister Vent Solenoid Valve Control

46 BRN/WHT 419 Malfunction Indicator Lamp (MIL) Control 46 BROWN/WHITE 419 MIL Control
Transmission 47 YEL/BLK 1223 Transmission Shift Solenoid B 47 YELLOW/BLACK 1223 2-3 Shift Solenoid Valve Control
Transmission 48 LT GRN 1222 Transmission Shift Solenoid A 48 LIGHT GREEN 1222 1-2 Shift Solenoid Valve Control

49 YEL/BLK 1827 Vehicle Speed Output Circuit 128K 49 YELLOW/BLACK 1827 Vehicle Speed Signal

50 DK GRN/WHT 817 Vehicle Speed Output Circuit 4K 50 DARK GREEN/WHITE 817 Vehicle Speed Signal (w/o JL4)
Transmission 51 YEL/BLK 1227 Transmission Temperature Sensor Signal 51 YELLOW/BLACK 1227 TFT Sensor Signal

52 GRY 23 Generator Field Duty Cycle Signal 52 PURPLE 5035 HO2S Heater Low Control - Bank 1 Sensor 2

53 -- -- Not Used 53 YELLOW 5036 HO2S Heater Low Control - Bank 2 Sensor 2

54 PPL 1589 Fuel Level Sensor Signal 54 PURPLE 1589 Fuel Level Sensor Signal

55 DK GRN 603 A/C Low Pressure Switch Signal 55 DARK GREEN 603 A/C Low Pressure Switch Signal (C60)

56 -- -- Not Used 56 Not Used
iat 57 BLK 552 IAT Sensor Ground 57 TAN 470 Low Reference
oil 58 -- -- Not Used 58 TAN/WHITE 331 Oil Pressure Sensor Signal

59 -- -- Not Used 59 PURPLE 806 Crank Voltage

60 BRN 2129 Ignition Control Reference Low Bank 1 60 BROWN 2129 Low Reference

61 BRN/WHT 2130 Ignition Control Reference Low Bank 2 61 BROWN/WHITE 2130 Low Reference
Transmission 62 GRA 773 PRND C 62 GREY 773 Transmission Range Switch Signal C
Transmission 63 PNK 1224 Transmission Fluid Pressure Switch A 63 PINK 1224 Transmission Fluid Pressure Switch Signal A

64 DK GRN 890 Fuel Tank Pressure Sensor Signal 64 DARK GREEN 890 Fuel Tank Pressure Sensor Signal

65 -- -- Not Used 65 Not Used
ignition 66 PPL/WHT 2128 Ignition Control 8 66 PURPLE/WHITE 2128 IC 8 Control
ignition 67 RED/WHT 2122 Ignition Control 2 67 ORANGE/WHITE 2122 IC 2 Control
ignition 68 DK GRN 2125 Ignition Control 5 68 DARK GREEN 2125 IC 5 Control
ignition 69 LT BLU 2123 Ignition Control 3 69 LIGHT BLUE 2123 IC 3 Control

70 -- -- Not Used 70 Not Used

71 -- -- Not Used 71 Not Used

72 -- -- Not Used 72 LIGHT BLUE 5038 HO2S Heater Low Control - Bank 1 Sensor 1

73 DK BLU 1936 Fuel Level Sensor Signal - Secondary 73 Not Used

74 LT GRN/WHT 3213 HO2S Heater Control (w/isolated grounded sensors) (2001-02 6.0L Only) 74 PURPLE/WHITE 5037 HO2S Heater Low Control - Bank 2 Sensor 1

75 -- -- Not Used 75 GREY 23 Generator Field Duty Cycle Signal
iac 76 LT GRN/WHT 1749 IAC Coil B High 76 LIGHT GREEN/WHITE 1749 IAC Coil B High Control (w/o JL4)
iac 77 LT GRN/BLK 444 IAC Coil B Low 77 LIGHT GREEN/BLACK 444 IAC Coil B Low Control (w/o JL4)
iac 78 LT BLU/BLK 1748 IAC Coil A Low 78 LIGHT BLUE/BLACK 1748 IAC Coil A Low Control (w/o JL4)
iac 79 LT BLU/WHT 1747 IAC Coil A High 79 LIGHT BLUE/WHITE 1747 IAC Coil A High Control (w/o JL4)

80 LT GRN 3212 HO2S Heater Low Reference (w/isolated grounded sensors) (2001-02 6.0L Only) 80 Not Used























Main Pinouts Engine


red/blue p01 blue/green p59
Ign +12 19 PNK 439 PCM Ignition Supply 19 PINK 439 Ignition 1 Voltage (PCM)
Battery +12 20 ORN 440 PCM Battery Supply 20 RED/WHITE 440 Battery Positive Voltage
Battery +12 57 ORN 440 PCM Battery Supply 57 RED/WHITE 440 Battery Positive Voltage
Ign +12 75 PNK 1020 PCM Ignition Supply 75 PINK 1020 Ignition Voltage (PCM)
Ground - 1 BLK/WHT 451 PCM Ground 1 BLACK/WHITE 1551 Ground
Ground - 25 TAN 1671 HO2S Signal Low B2S2 (w/Case Ground O2 Sensors) 25 TAN 1671 HO2S Low Signal - Bank 2 Sensor 2
Ground - 27


27 BLACK/WHITE 1551 Ground add
Ground - 40 BLK/WHT 451 PCM Ground 40 BLACK/WHITE 1551 Ground
Ground - 64 -- -- Not Used 64 BLACK/WHITE 1551 Ground add
Ground - 67 -- -- Not Used 67 BLACK/WHITE 1551 Ground add
Ground - 1 BLK/WHT 451 PCM Ground 1 BLACK/WHITE 1551 Ground
Ground - 40 BLK/WHT 451 PCM Ground 40 BLACK/WHITE 1551 Ground
Cpk +12 2 LT GRN 1867 Crankshaft Position Sensor B+ Supply 2 LIGHT GREEN 1867 12-Volt Reference
cpk Signal 12 DK BLU/WHT 1869 Crankshaft Position Sensor Signal 12 YELLOW 573 CKP Sensor Signal
Cpk -12 21 YEL/BLK 1868 Crankshaft Position Sensor Ground 21 PURPLE 574 Low Reference
tp signal 24 DK BLU 417 TP Sensor Signal 24 DARK BLUE 411 TP Sensor Signal (w/o JL4)
Tp +5 46 GRA 416 TP Sensor 5V Reference 46 GREY 2709 5-Volt Reference 2
Tp -5 54 BLK 452 TP Sensor Ground 54 ORANGE/BLACK 469 Low Reference
map signal 32 LT GRN 432 MAP Sensor Signal 32 LIGHT GREEN 432 MAP Sensor Signal
Map +5 47 GRA 597 MAP Sensor 5V Reference 47 EGR GREY NOT USED check
Map -5 60 ORN/BLK 469 MAP Sensor Ground 60 TAN 2752 Low Reference (w/o JL4 - DBC)
Cmp -12 61 PNK/BLK 632 CMP Sensor Ground 61 PINK/BLACK 632 Low Reference
cmp signal 73 BRN/WHT 633 Camshaft Position (CMP) Sensor Signal 73 BROWN/WHITE 633 CMP Sensor Signal
Cmp +12 39 RED 631 CMP Sensor B+ Supply 39 ORANGE 631 12-Volt Reference
fan 42 -- -- Not Used - ADD PIN HERE FOR FAN 1 RELAY CONTROL 42 electric fan 1
ect signal 74 YEL 410 Engine Coolant Temperature (ECT) Sensor Signal 74 YELLOW 410 ECT Sensor Signal
ect grnd 80 ORN/BLK 510 Fuel Level Sensor Ground 80 TAN 2761 Low Reference ECT SENSOR check
fuel pump 9 DK GRN/WHT 465 Fuel Pump Relay Control 9 DARK GREEN/WHITE 465 Fuel Pump Relay Control - Primary
tach out 10 WHT 121 Engine Speed (Tach) Output Signal 10 WHITE TACH
oil 58 -- -- Not Used 58 TAN/WHITE 331 Oil Pressure Sensor Signal add
iat grnd 57 BLK 552 IAT Sensor Ground 57 TAN 470 Low Reference
iat signal 25 TAN 472 IAT Sensor Signal 25 TAN 472 IAT Sensor Signal
Inj 1 36 BLK 1744 Injector 1 Control 36 TAN 1744 Fuel Injector 1 Control
Inj 6 37 YEL/BLK 846 Injector 6 Control 37 YELLOW/BLACK 846 Fuel Injector 6 Control
Inj 3 3 PNK/BLK 1746 Injector 3 Control 3 PINK/BLACK 1746 Fuel Injector 3 Control
Inj 2 4 LT GRN/BLK 1745 Injector 2 Control 4 LIGHT GREEN/BLACK 1745 Fuel Injector 2 Control
Inj 7 43 RED/BLK 877 Injector 7 Control 43 ORANGE/BLACK 877 Fuel Injector 7 Control
Inj 4 44 LT BLU/BLK 844 Injector 4 Control 44 LIGHT BLUE/BLACK 844 Fuel Injector 4 Control
Inj 5 76 BLK/WHT 845 Injector 5 Control 76 TAN/WHITE 845 Fuel Injector 5 Control
Inj 8 77 DK BLU/WHT 878 Injector 8 Control 77 DARK BLUE/WHITE 878 Fuel Injector 8 Control
Ignition 1 26 PPL 2121 Ignition Control 1 26 PURPLE 2121 IC 1 Control
Ignition 7 27 RED 2127 Ignition Control 7 27 ORANGE 2127 IC 7 Control
Ignition 6 28 LT BLU/WHT 2126 Ignition Control 6 28 LIGHT BLUE/WHITE 2126 IC 6 Control
Ignition 4 29 DK GRN/WHT 2124 Ignition Control 4 29 DARK GREEN/WHITE 2124 IC 4 Control
Ignition 8 66 PPL/WHT 2128 Ignition Control 8 66 PURPLE/WHITE 2128 IC 8 Control
Ignition 2 67 RED/WHT 2122 Ignition Control 2 67 ORANGE/WHITE 2122 IC 2 Control
Ignition 5 68 DK GRN 2125 Ignition Control 5 68 DARK GREEN 2125 IC 5 Control
Ignition 3 69 LT BLU 2123 Ignition Control 3 69 LIGHT BLUE 2123 IC 3 Control
iac 76 LT GRN/WHT 1749 IAC Coil B High 76 LIGHT GREEN/WHITE 1749 IAC Coil B High Control (w/o JL4)
iac 77 LT GRN/BLK 444 IAC Coil B Low 77 LIGHT GREEN/BLACK 444 IAC Coil B Low Control (w/o JL4)
iac 78 LT BLU/BLK 1748 IAC Coil A Low 78 LIGHT BLUE/BLACK 1748 IAC Coil A Low Control (w/o JL4)
iac 79 LT BLU/WHT 1747 IAC Coil A High 79 LIGHT BLUE/WHITE 1747 IAC Coil A High Control (w/o JL4)
check/Swap 52 GRY 23 Generator Field Duty Cycle Signal 52



check/swap



75 GREY 23 Generator Field Duty Cycle Signal























Main Pinouts Transmission p01 DBC vs p59 DBC




DBC p01 Blue c2
DBC p59 Blue c2
Transmission 17 DK BLU 1225 Transmission Fluid Pressure Switch B 17 DARK BLUE 1225 Transmission Fluid Pressure Switch Signal B
Transmission 18 RED 1226 Transmission Fluid Pressure Switch C 18 ORANGE 1226 Transmission Fluid Pressure Switch Signal C
Transmission 32 BLK/WHT 771 PRND A Input 32 TAN/WHITE 771 Transmission Range Switch Signal A
Transmission 33 PPL 420 TCC Brake Switch 33 PURPLE 420 TCC Brake Switch/Cruise Control Release Signal
Transmission 34 WHT 776 PRND P Input - PCM can be programmed to accept a SINGLE WIRE park/neutral signal on this PIN 34 WHITE 776 Transmission Range Switch Signal P
Transmission 41 BLK or gry 407 Sensor Ground (Trans) w/Case grounded o2 Sensors 41 EGR PURPLE NOT USED check
Transmission 72 YEL 772 PRND B Input 72 YELLOW 772 Transmission Range Switch Signal B
Transmission 79 WHT 687 3-2 Shift Solenoid Control 79 WHITE 687 3-2 Shift Solenoid Valve Control (5.3L)









































DBC Red c2
DBC Green c2

Transmission
2 BRN 418 TCC Control Solenoid 2 BROWN 418 TCC PWM Solenoid Valve Control
Transmission 6 RED/BLK 1228 Transmission Fluid Pressure Control Solenoid High 6 ORANGE/BLACK 1228 PC Solenoid Valve High Control
Transmission 8 LT BLU/WHT 1229 Transmission Fluid Pressure Control Solenoid Low 8 LIGHT BLUE/WHITE 1229 PC Solenoid Valve Low Control
Transmission 42 TAN/BLK 422 TCC Enable Circuit (4L60-E only) 42 TAN/BLACK 422 TCC Solenoid Valve Control (5.3L)
Transmission 47 YEL/BLK 1223 Transmission Shift Solenoid B 47 YELLOW/BLACK 1223 2-3 Shift Solenoid Valve Control
Transmission 48 LT GRN 1222 Transmission Shift Solenoid A 48 LIGHT GREEN 1222 1-2 Shift Solenoid Valve Control
Transmission 51 YEL/BLK 1227 Transmission Temperature Sensor Signal 51 YELLOW/BLACK 1227 TFT Sensor Signal
Transmission 62 GRA 773 PRND C 62 GREY 773 Transmission Range Switch Signal C
Transmission 63 PNK 1224 Transmission Fluid Pressure Switch A 63 PINK 1224 Transmission Fluid Pressure Switch Signal A