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
M150-A-15 Digital Input 2
M150-A-23 Digital Input 1
M150-A-16 Digital Input 3
M150-A-17 Digital Input 4
M150-A-11 Lambda Narrow Input 1
0V sensor
M150-B-10 Analogue Voltage Input 9
0V sensor
M150-B-11 Analogue Voltage Input 10
M150-C-27 Peak Hold Injector 5
Ignition 1 voltage (key hot)
Battery positive voltage (batt hot)
0V sensor
M150-B-12 Analogue Voltage Input 11
M150-D-18 CAN Bus 1 Low
M150-D-17 CAN Bus 1 High
M150-C-16 Analogue Voltage Input 3
0V sensor
0V sensor
M150-C-25 Analogue Voltage Input 5
5V ref
5V ref
5V ref
M150-D-4 Analogue Temperature Input 2
0V sensor
M150-C-14 Analogue Voltage Input 1
Ignition 1 voltage (key hot)
0V sensor
M150-B-8 Low Side Injector 5
M150-C-28 Peak Hold Injector 6
M150-C-29 Peak Hold Injector 7
5V ref
M150-C-30 Peak Hold Injector 8
M150-B-14 Low Side Injector 6
M150-B-22 Peak Hold Injector 9
M150-B-23 Peak Hold Injector 10
M150-B-24 Peak Hold Injector 11
M150-A-12 Lambda Narrow Input 2
M150-B-16 Analogue Voltage Input 12
M150-D-8 Universal Digital Input 3
M150-D-9 Universal Digital Input 4
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
12A/C refrigerant pressure signal
13A/C refrigerant pressure sensor low reference (5514)
16Fuel level sensor signal, primary (1589)
17High speed cooling fan relay
19Ignition 1 voltage (key hot)
20Battery positive voltage (batt hot)
23APP sensor low reference
24Fuel tank pressure signal
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)
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
69HO2S signal, bank 2 sensor 2 (post-cat)
70Secondary fuel level sensor signal (1937)
71VSS high signal (manual trans)
72VSS low signal (manual trans)
73Power ground
5V ref
5V ref
M150-B-25 Peak Hold Injector 12
M150-C-22 Peak Hold Injector 4
M150-B-9 Low Side Injector 3
M150-C-21 Peak Hold Injector 3
M150-C-19 Peak Hold Injector 1
M150-D-3 Analogue Temperature Input 1
0V sensor
M150-D-7 Knock Input 1
M150-D-13 Knock Input 2
M150-A-13 Knock Input 3
M150-A-14 Knock Input 4
M150-D-10 Universal Digital Input 5
0V sensor
0V sensor
M150-C-23 Low Side Injector 1
M150-C-20 Peak Hold Injector 2
M150-C-24 Low Side Injector 2
M150-B-15 Low Side Injector 4
5V ref
5V ref
5V ref
M150-B-17 Analogue Voltage Input 13
0V sensor
0V sensor
0V sensor
M150-D-21 Analogue Voltage Input 7
M150-C-15 Analogue Voltage Input 2
M150-D-22 Analogue Voltage Input 8
0V sensor
M150-D-20 Analogue Voltage Input 6
M150-D-2 Universal Digital Input 2
M150-C-17 Analogue Voltage Input 4
0V sensor
M150-D-1 Universal Digital Input 1
0V sensor
M150-C-3 Low Side Ignition 1
M150-C-13 Low Side Ignition 8
M150-C-12 Low Side Ignition 7
M150-C-4 Low Side Ignition 2
M150-C-8 Low Side Ignition 6
M150-C-7 Low Side Ignition 5
M150-C-6 Low Side Ignition 4
M150-C-5 Low Side Ignition 3
GND
GND
OEM-X2
Stock ECU being replaced
25V reference (crankshaft sensor)
35V reference (throttle body)
12HO2S heater low control, bank 1 sensor 1
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
29Knock sensor 2 signal A
30Knock sensor 2 signal B
33Oil level switch signal
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)
50Engine oil pressure signal
52Camshaft actuator low reference
53MAP low reference
56HO2S low reference, bank 1 sensor 1
57HO2S signal, bank 1 sensor 1 (pre-cat)
58Manifold absolute pressure (MAP) signal
59HO2S signal, bank 2 sensor 1 (pre-cat)
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)
M150
M150-A
M150
10Sensor 5.0V C1
11Lambda Narrow Input 1
12Lambda Narrow Input 2
13Knock Input 3
14Knock Input 4
15Digital Input 2
16Digital Input 3
17Digital Input 4
23Digital Input 1
24Battery Negative 3
25Battery Negative 4
26Sensor 0V C1
27Sensor 0V C2
32Battery Negative 5
33Sensor 0V B1
34Sensor 0V A1
5V ref
OEM-X1-10 HO2S signal, bank 1 sensor 2 (post-cat)
OEM-X1-69 HO2S signal, bank 2 sensor 2 (post-cat)
OEM-X2-29 Knock sensor 2 signal A
OEM-X2-30 Knock sensor 2 signal B
OEM-X1-1 Park/Neutral signal (1786)
OEM-X1-3 Axle switch signal (1695)
OEM-X1-9 Brake switch signal
OEM-X1-2 4WD low signal (1694)
GND
GND
0V sensor
0V sensor
GND
0V sensor
0V sensor
M150-B
M150
8Low Side Injector 5
9Low Side Injector 3
10Analogue Voltage Input 9
11Analogue Voltage Input 10
12Analogue Voltage Input 11
13Battery Positive
14Low Side Injector 6
15Low Side Injector 4
16Analogue Voltage Input 12
17Analogue Voltage Input 13
19Battery Positive
22Peak Hold Injector 9
23Peak Hold Injector 10
24Peak Hold Injector 11
25Peak Hold Injector 12
OEM-X1-50 Fuel pump relay control (primary)
OEM-X2-18 Injector 5
OEM-X1-12 A/C refrigerant pressure signal
OEM-X1-16 Fuel level sensor signal, primary (1589)
OEM-X1-24 Fuel tank pressure signal
Battery Positive
OEM-X1-59 Powertrain relay coil control (main relay)
OEM-X2-40 Injector 7
OEM-X1-70 Secondary fuel level sensor signal (1937)
OEM-X2-50 Engine oil pressure signal
Battery Positive
OEM-X1-63 A/C compressor clutch relay
OEM-X1-64 HO2S heater low control, bank 2 sensor 2
OEM-X1-65 HO2S heater low control, bank 1 sensor 2
OEM-X2-12 HO2S heater low control, bank 1 sensor 1
M150-C
M150
3Low Side Ignition 1
4Low Side Ignition 2
5Low Side Ignition 3
6Low Side Ignition 4
7Low Side Ignition 5
8Low Side Ignition 6
10Battery Negative 1
11Battery Negative 2
12Low Side Ignition 7
13Low Side Ignition 8
14Analogue Voltage Input 1
15Analogue Voltage Input 2
16Analogue Voltage Input 3
17Analogue Voltage Input 4
19Peak Hold Injector 1
20Peak Hold Injector 2
21Peak Hold Injector 3
22Peak Hold Injector 4
23Low Side Injector 1
24Low Side Injector 2
25Analogue Voltage Input 5
26Battery Positive
27Peak Hold Injector 5
28Peak Hold Injector 6
29Peak Hold Injector 7
30Peak Hold Injector 8
OEM-X2-70 Ignition coil 1 control
OEM-X2-73 Ignition coil 2 control
OEM-X2-77 Ignition coil 3 control
OEM-X2-76 Ignition coil 4 control
OEM-X2-75 Ignition coil 5 control
OEM-X2-74 Ignition coil 6 control
GND
GND
OEM-X2-72 Ignition coil 7 control
OEM-X2-71 Ignition coil 8 control
OEM-X1-41 Mass air flow (MAF) signal
OEM-X2-58 Manifold absolute pressure (MAP) signal
OEM-X1-29 Accelerator pedal position (APP) sensor 1 signal
OEM-X2-65 Throttle position sensor 1 signal
OEM-X2-20 Injector 1
OEM-X2-38 Injector 3
OEM-X2-19 Injector 6
OEM-X2-17 Injector 8
OEM-X2-37 Injector 2
OEM-X2-39 Injector 4
OEM-X1-32 Accelerator pedal position (APP) sensor 2 signal
Battery Positive
OEM-X1-17 High speed cooling fan relay
OEM-X1-51 Fuel pump relay control (secondary)
OEM-X1-52 Starter enable relay control
OEM-X1-58 Low speed cooling fan relay
M150-D
M150
1Universal Digital Input 1
2Universal Digital Input 2
3Analogue Temperature Input 1
4Analogue Temperature Input 2
7Knock Input 1
8Universal Digital Input 3
9Universal Digital Input 4
10Universal Digital Input 5
12Battery Backup
13Knock Input 2
15Sensor 0V A
16Sensor 0V B
17CAN Bus 1 High
18CAN Bus 1 Low
20Analogue Voltage Input 6
21Analogue Voltage Input 7
22Analogue Voltage Input 8
OEM-X2-68 Crankshaft position signal (58x)
OEM-X2-64 Camshaft position signal (4x)
OEM-X2-21 Engine coolant temperature (ECT) signal
OEM-X1-37 Intake air temperature (IAT) signal
OEM-X2-26 Knock sensor 1 signal A
OEM-X1-71 VSS high signal (manual trans)
OEM-X1-72 VSS low signal (manual trans)
OEM-X2-33 Oil level switch signal
Battery Backup
OEM-X2-27 Knock sensor 1 signal B
0V sensor
0V sensor
OEM-X1-28 High-speed GMLAN serial data bus + (2500)
OEM-X1-27 High-speed GMLAN serial data bus - (2501)
OEM-X2-63 Throttle position sensor 2 signal
OEM-X2-57 HO2S signal, bank 1 sensor 1 (pre-cat)
OEM-X2-59 HO2S signal, bank 2 sensor 1 (pre-cat)
SP-14V · 6 pins
SP-5V1 · 11 pins
SP-0V · 23 pins
SP-GND · 9 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.
104 / 104 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
| Wire | From | To | Signal | Gauge | Colour | Stripe | Ident | Flags | |
|---|---|---|---|---|---|---|---|---|---|
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — |