Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
100%
Stock ECU being replaced
ME442-C1-5 DIG_IN 4
ME442-C1-8 DIG_IN 3
ME442-C1-62 DIG_IN 5
ME442-C1-34 DIG_IN 6
ME442-C1-48 ANA VOLT 7
0V sensor
0V sensor
ME442-C1-72 LOW SIDE RELAY 13
Ignition 1 voltage (key hot)
0V sensor
ME442-C1-51 CAN 1 LOW
ME442-C1-21 CAN 1 HIGH
ME442-C1-17 ANA VOLT 3
0V sensor
0V sensor
ME442-C1-87 ANA VOLT 5
5V ref
5V ref
5V ref
ME442-C1-57 ANA TEMP 2
0V sensor
ME442-C1-26 ANA VOLT 1
Ignition 1 voltage (key hot)
ME442-C1-79 TACHOMETER
0V sensor
ME442-C1-37 LOW SIDE RELAY 11
ME442-C1-43 LOW SIDE RELAY 14
ME442-C1-13 LOW SIDE RELAY 15
5V ref
ME442-C1-75 LOW SIDE RELAY 16
ME442-C1-42 LOW SIDE RELAY 12
ME442-C1-40 LOW SIDE RELAY 17
ME442-C1-16 LSU HEATER -VE
ME442-C1-73 LOW SIDE 1
ME442-C1-6 DIG_IN 1
ME442-C1-7 DIG_IN 2
GND
OEM-X1
Stock ECU being replaced
1Park/Neutral signal (1786)
24WD low signal (1694)
3Axle switch signal (1695)
9Brake switch signal
10HO2S signal, bank 1 sensor 2 (post-cat)
11HO2S low reference, bank 1 sensor 2
13A/C refrigerant pressure sensor low reference (5514)
17High speed cooling fan relay
19Ignition 1 voltage (key hot)
23APP sensor low reference
27High-speed GMLAN serial data bus - (2501)
28High-speed GMLAN serial data bus + (2500)
29Accelerator pedal position (APP) sensor 1 signal
30APP sensor low reference
31Fuel tank pressure sensor low reference (6049)
32Accelerator pedal position (APP) sensor 2 signal
335V reference (fuel tank pressure)
345V reference (A/C pressure)
365V reference (APP sensor)
37Intake air temperature (IAT) signal
38Intake air temperature (IAT) low reference
41Mass air flow (MAF) signal
47Ignition 1 voltage (key hot)
48Tachometer output
49HO2S low reference, bank 2 sensor 2
50Fuel pump relay control (primary)
51Fuel pump relay control (secondary)
52Starter enable relay control
565V reference (APP sensor)
58Low speed cooling fan relay
59Powertrain relay coil control (main relay)
63A/C compressor clutch relay
64HO2S heater low control, bank 2 sensor 2
65HO2S heater low control, bank 1 sensor 2
71VSS high signal (manual trans)
72VSS low signal (manual trans)
73Power ground
5V ref
5V ref
ME442-C1-39 LOW SIDE 6
ME442-C1-44 LOW SIDE 4
ME442-C1-9 LOW SIDE RELAY 18
ME442-C1-12 LOW SIDE 2
ME442-C1-74 LOW SIDE 3
ME442-C1-69 LOW SIDE 5
ME442-C1-27 INJECTOR 8
ME442-C1-28 INJECTOR 5
ME442-C1-58 INJECTOR 6
ME442-C1-63 INJECTOR 1
ME442-C1-86 ANA TEMP 1
0V sensor
ME442-C1-53 KNOCK 1 SIGNAL
ME442-C1-54 KNOCK 2 SIGNAL
0V sensor
0V sensor
ME442-C1-4 INJECTOR 2
ME442-C1-33 INJECTOR 3
ME442-C1-3 INJECTOR 4
ME442-C1-88 INJECTOR 7
5V ref
5V ref
5V ref
0V sensor
0V sensor
0V sensor
ME442-C1-56 ANA VOLT 2
0V sensor
ME442-C1-78 ANA VOLT 6
ME442-C1-22 CAM A VR+
ME442-C1-18 ANA VOLT 4
0V sensor
ME442-C1-80 CRANK VR+
0V sensor
ME442-C1-32 COIL 1
ME442-C1-30 COIL 8
ME442-C1-29 COIL 7
ME442-C1-31 COIL 2
ME442-C1-60 COIL 6
ME442-C1-59 COIL 5
ME442-C1-1 COIL 4
ME442-C1-2 COIL 3
GND
GND
OEM-X2
Stock ECU being replaced
25V reference (crankshaft sensor)
35V reference (throttle body)
9Cylinder shutoff solenoid 3 (AFM)
10Cylinder shutoff solenoid 1 (AFM)
11Cylinder shutoff solenoid 4 (AFM)
12HO2S heater low control, bank 1 sensor 1
13HO2S heater low control, bank 2 sensor 1
14Cylinder shutoff solenoid 2 (AFM)
17Injector 8
18Injector 5
19Injector 6
20Injector 1
21Engine coolant temperature (ECT) signal
22ECT low reference
26Knock sensor 1 signal A
27Knock sensor 1 signal B
34Oil pressure low reference
35Throttle body low reference
37Injector 2
38Injector 3
39Injector 4
40Injector 7
415V reference (oil pressure)
435V reference (MAP)
445V reference (camshaft sensor)
52Camshaft actuator low reference
53MAP low reference
56HO2S low reference, bank 1 sensor 1
58Manifold absolute pressure (MAP) signal
60HO2S low reference, bank 2 sensor 1
63Throttle position sensor 2 signal
64Camshaft position signal (4x)
65Throttle position sensor 1 signal
66Camshaft position low reference
68Crankshaft position signal (58x)
69Crankshaft position low reference
70Ignition coil 1 control
71Ignition coil 8 control
72Ignition coil 7 control
73Ignition coil 2 control
74Ignition coil 6 control
75Ignition coil 5 control
76Ignition coil 4 control
77Ignition coil 3 control
78Coil low reference (odd bank)
79Coil low reference (even bank)
ME442
ME442-C1
ME442
1COIL 4
2COIL 3
3INJECTOR 4
4INJECTOR 2
5DIG_IN 4
6DIG_IN 1
7DIG_IN 2
8DIG_IN 3
9LOW SIDE RELAY 18
10GROUND CHASSIS
12LOW SIDE 2
13LOW SIDE RELAY 15
15IGN +12V
16LSU HEATER -VE
17ANA VOLT 3
18ANA VOLT 4
21CAN 1 HIGH
22CAM A VR+
26ANA VOLT 1
27INJECTOR 8
28INJECTOR 5
29COIL 7
30COIL 8
31COIL 2
32COIL 1
33INJECTOR 3
34DIG_IN 6
37LOW SIDE RELAY 11
39LOW SIDE 6
40LOW SIDE RELAY 17
42LOW SIDE RELAY 12
43LOW SIDE RELAY 14
44LOW SIDE 4
455V REF
48ANA VOLT 7
51CAN 1 LOW
52SENSORS GROUND
53KNOCK 1 SIGNAL
54KNOCK 2 SIGNAL
56ANA VOLT 2
57ANA TEMP 2
58INJECTOR 6
59COIL 5
60COIL 6
61GROUND
62DIG_IN 5
63INJECTOR 1
64VBAT
69LOW SIDE 5
72LOW SIDE RELAY 13
73LOW SIDE 1
74LOW SIDE 3
75LOW SIDE RELAY 16
78ANA VOLT 6
79TACHOMETER
80CRANK VR+
84Sensor Ground
86ANA TEMP 1
87ANA VOLT 5
88INJECTOR 7
89GROUND
90GROUND
OEM-X2-76 Ignition coil 4 control
OEM-X2-77 Ignition coil 3 control
OEM-X2-39 Injector 4
OEM-X2-37 Injector 2
OEM-X1-1 Park/Neutral signal (1786)
OEM-X1-71 VSS high signal (manual trans)
OEM-X1-72 VSS low signal (manual trans)
OEM-X1-2 4WD low signal (1694)
OEM-X2-11 Cylinder shutoff solenoid 4 (AFM)
GND
OEM-X2-12 HO2S heater low control, bank 1 sensor 1
OEM-X1-52 Starter enable relay control
IGN +12V
OEM-X1-64 HO2S heater low control, bank 2 sensor 2
OEM-X1-29 Accelerator pedal position (APP) sensor 1 signal
OEM-X2-65 Throttle position sensor 1 signal
OEM-X1-28 High-speed GMLAN serial data bus + (2500)
OEM-X2-64 Camshaft position signal (4x)
OEM-X1-41 Mass air flow (MAF) signal
OEM-X2-17 Injector 8
OEM-X2-18 Injector 5
OEM-X2-72 Ignition coil 7 control
OEM-X2-71 Ignition coil 8 control
OEM-X2-73 Ignition coil 2 control
OEM-X2-70 Ignition coil 1 control
OEM-X2-38 Injector 3
OEM-X1-9 Brake switch signal
OEM-X1-50 Fuel pump relay control (primary)
OEM-X2-9 Cylinder shutoff solenoid 3 (AFM)
OEM-X1-63 A/C compressor clutch relay
OEM-X1-59 Powertrain relay coil control (main relay)
OEM-X1-51 Fuel pump relay control (secondary)
OEM-X2-10 Cylinder shutoff solenoid 1 (AFM)
5V ref
OEM-X1-10 HO2S signal, bank 1 sensor 2 (post-cat)
OEM-X1-27 High-speed GMLAN serial data bus - (2501)
0V sensor
OEM-X2-26 Knock sensor 1 signal A
OEM-X2-27 Knock sensor 1 signal B
OEM-X2-58 Manifold absolute pressure (MAP) signal
OEM-X1-37 Intake air temperature (IAT) signal
OEM-X2-19 Injector 6
OEM-X2-75 Ignition coil 5 control
OEM-X2-74 Ignition coil 6 control
GND
OEM-X1-3 Axle switch signal (1695)
OEM-X2-20 Injector 1
VBAT
OEM-X2-14 Cylinder shutoff solenoid 2 (AFM)
OEM-X1-17 High speed cooling fan relay
OEM-X1-65 HO2S heater low control, bank 1 sensor 2
OEM-X2-13 HO2S heater low control, bank 2 sensor 1
OEM-X1-58 Low speed cooling fan relay
OEM-X2-63 Throttle position sensor 2 signal
OEM-X1-48 Tachometer output
OEM-X2-68 Crankshaft position signal (58x)
0V sensor
OEM-X2-21 Engine coolant temperature (ECT) signal
OEM-X1-32 Accelerator pedal position (APP) sensor 2 signal
OEM-X2-40 Injector 7
GND
GND
SP-14V · 5 pins
SP-5V1 · 11 pins
SP-0V · 19 pins
SP-GND · 8 pins
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
92 / 92 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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