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
KV16-C-30 Digital Input 4
KV16-C-29 Digital Input 3
KV16-C-31 Digital Input 5
KV16-C-32 Digital Input 6
KV16-C-9 Analog Input Channel 8
0V sensor
KV16-C-14 Analog Input Channel 13
0V sensor
KV16-C-15 Analog Input Channel 14
KV16-B-15 Auxiliary Output 6
Ignition 1 voltage (key hot)
0V sensor
KV16-C-16 Analog Input Channel 15
KV16-D-14 CAN 1L
KV16-D-8 CAN 1H
KV16-C-4 Analog Input Channel 3
0V sensor
0V sensor
KV16-C-6 Analog Input Channel 5
5V ref
5V ref
5V ref
KV16-C-13 Analog Input Channel 12
0V sensor
KV16-C-2 Analog Input Channel 1
Ignition 1 voltage (key hot)
0V sensor
KV16-D-9 EFI Relay Output (Low Side 200mA)
KV16-B-16 Auxiliary Output 7
KV16-B-17 Auxiliary Output 8
5V ref
KV16-B-10 Auxiliary Output 1
KV16-B-14 Auxiliary Output 5
KV16-A-5 Injection Channel 13
KV16-B-11 Auxiliary Output 2
KV16-A-10 Lambda 1 Heater -
KV16-A-11 Lambda 2 Heater -
KV16-A-6 Injection Channel 14
KV16-C-10 Analog Input Channel 9
KV16-C-24 Analog Input Channel 16
KV16-C-27 Digital Input 1
KV16-C-28 Digital Input 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
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)
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)
61EVAP canister vent solenoid
63A/C compressor clutch relay
64HO2S heater low control, bank 2 sensor 2
65HO2S heater low control, bank 1 sensor 2
68Malfunction indicator lamp (MIL)
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
KV16-A-3 Injection Channel 11
KV16-A-1 Injection Channel 9
KV16-A-4 Injection Channel 12
KV16-B-12 Auxiliary Output 3
KV16-B-13 Auxiliary Output 4
KV16-A-2 Injection Channel 10
KV16-A-7 Injection Channel 15
KV16-B-8 Injection Channel 8
KV16-B-5 Injection Channel 5
KV16-B-6 Injection Channel 6
KV16-B-1 Injection Channel 1
KV16-C-8 Analog Input Channel 7
0V sensor
KV16-D-11 Knock 1 +
KV16-D-17 Knock 2 +
KV16-A-12 Injection Channel 16
KV16-C-33 Digital Input 7
0V sensor
0V sensor
KV16-B-2 Injection Channel 2
KV16-B-3 Injection Channel 3
KV16-B-4 Injection Channel 4
KV16-B-7 Injection Channel 7
5V ref
5V ref
5V ref
0V sensor
0V sensor
0V sensor
KV16-C-11 Analog Input Channel 10
KV16-C-3 Analog Input Channel 2
KV16-C-12 Analog Input Channel 11
0V sensor
KV16-C-7 Analog Input Channel 6
KV16-D-6 Sync Sensor +
KV16-C-5 Analog Input Channel 4
0V sensor
KV16-D-4 Crank Index Sensor +
0V sensor
KV16-B-26 Ignition Channel 1
KV16-B-33 Ignition Channel 8
KV16-B-32 Ignition Channel 7
KV16-B-27 Ignition Channel 2
KV16-B-31 Ignition Channel 6
KV16-B-30 Ignition Channel 5
KV16-B-29 Ignition Channel 4
KV16-B-28 Ignition Channel 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)
16Camshaft actuator solenoid (VVT)
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
32Generator field duty control
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)
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)
KV16
KV16-A
KV16
1Injection Channel 9
2Injection Channel 10
3Injection Channel 11
4Injection Channel 12
5Injection Channel 13
6Injection Channel 14
7Injection Channel 15
10Lambda 1 Heater -
11Lambda 2 Heater -
12Injection Channel 16
13ECU Ground
19ECU Ground
OEM-X2-10 Cylinder shutoff solenoid 1 (AFM)
OEM-X2-14 Cylinder shutoff solenoid 2 (AFM)
OEM-X2-9 Cylinder shutoff solenoid 3 (AFM)
OEM-X2-11 Cylinder shutoff solenoid 4 (AFM)
OEM-X1-61 EVAP canister vent solenoid
OEM-X1-68 Malfunction indicator lamp (MIL)
OEM-X2-16 Camshaft actuator solenoid (VVT)
OEM-X1-64 HO2S heater low control, bank 2 sensor 2
OEM-X1-65 HO2S heater low control, bank 1 sensor 2
OEM-X2-32 Generator field duty control
GND
GND
KV16-B
KV16
1Injection Channel 1
2Injection Channel 2
3Injection Channel 3
4Injection Channel 4
5Injection Channel 5
6Injection Channel 6
7Injection Channel 7
8Injection Channel 8
9ECU Ground
10Auxiliary Output 1
11Auxiliary Output 2
12Auxiliary Output 3
13Auxiliary Output 4
14Auxiliary Output 5
15Auxiliary Output 6
16Auxiliary Output 7
17Auxiliary Output 8
26Ignition Channel 1
27Ignition Channel 2
28Ignition Channel 3
29Ignition Channel 4
30Ignition Channel 5
31Ignition Channel 6
32Ignition Channel 7
33Ignition Channel 8
34ECU Ground
OEM-X2-20 Injector 1
OEM-X2-37 Injector 2
OEM-X2-38 Injector 3
OEM-X2-39 Injector 4
OEM-X2-18 Injector 5
OEM-X2-19 Injector 6
OEM-X2-40 Injector 7
OEM-X2-17 Injector 8
GND
OEM-X1-58 Low speed cooling fan relay
OEM-X1-63 A/C compressor clutch relay
OEM-X2-12 HO2S heater low control, bank 1 sensor 1
OEM-X2-13 HO2S heater low control, bank 2 sensor 1
OEM-X1-59 Powertrain relay coil control (main relay)
OEM-X1-17 High speed cooling fan relay
OEM-X1-51 Fuel pump relay control (secondary)
OEM-X1-52 Starter enable relay control
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
OEM-X2-72 Ignition coil 7 control
OEM-X2-71 Ignition coil 8 control
GND
KV16-C
KV16
1ECU Ground
2Analog Input Channel 1
3Analog Input Channel 2
4Analog Input Channel 3
5Analog Input Channel 4
6Analog Input Channel 5
7Analog Input Channel 6
8Analog Input Channel 7
9Analog Input Channel 8
10Analog Input Channel 9
11Analog Input Channel 10
12Analog Input Channel 11
13Analog Input Channel 12
14Analog Input Channel 13
15Analog Input Channel 14
16Analog Input Channel 15
17Analog Sensor 0V Reference
24Analog Input Channel 16
25Analog Sensor 0V Reference
26ECU Ground
27Digital Input 1
28Digital Input 2
29Digital Input 3
30Digital Input 4
31Digital Input 5
32Digital Input 6
33Digital Input 7
GND
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-X1-32 Accelerator pedal position (APP) sensor 2 signal
OEM-X2-63 Throttle position sensor 2 signal
OEM-X2-21 Engine coolant temperature (ECT) signal
OEM-X1-10 HO2S signal, bank 1 sensor 2 (post-cat)
OEM-X1-69 HO2S signal, bank 2 sensor 2 (post-cat)
OEM-X2-57 HO2S signal, bank 1 sensor 1 (pre-cat)
OEM-X2-59 HO2S signal, bank 2 sensor 1 (pre-cat)
OEM-X1-37 Intake air temperature (IAT) signal
OEM-X1-12 A/C refrigerant pressure signal
OEM-X1-16 Fuel level sensor signal, primary (1589)
OEM-X1-24 Fuel tank pressure signal
0V sensor
OEM-X1-70 Secondary fuel level sensor signal (1937)
0V sensor
GND
OEM-X1-71 VSS high signal (manual trans)
OEM-X1-72 VSS low signal (manual trans)
OEM-X1-2 4WD low signal (1694)
OEM-X1-1 Park/Neutral signal (1786)
OEM-X1-3 Axle switch signal (1695)
OEM-X1-9 Brake switch signal
OEM-X2-33 Oil level switch signal
KV16-D
KV16
1ECU 14V Supply
2Auxiliary Output 13-16 14V Supply
4Crank Index Sensor +
5Crank Index Sensor -
6Sync Sensor +
7Sync Sensor -
8CAN 1H
9EFI Relay Output (Low Side 200mA)
11Knock 1 +
14CAN 1L
17Knock 2 +
20Auxiliary Output 9-12 14V Supply
21Sensor Supply Vref1: 5.0V
ECU 14V Supply
Auxiliary Output 13-16 14V Supply
OEM-X2-68 Crankshaft position signal (58x)
SP-0V · 16 pins
OEM-X2-64 Camshaft position signal (4x)
SP-0V · 16 pins
OEM-X1-28 High-speed GMLAN serial data bus + (2500)
OEM-X1-50 Fuel pump relay control (primary)
OEM-X2-26 Knock sensor 1 signal A
OEM-X1-27 High-speed GMLAN serial data bus - (2501)
OEM-X2-27 Knock sensor 1 signal B
Auxiliary Output 9-12 14V Supply
5V ref
SP-GND · 10 pins
SP-5V1 · 11 pins
SP-0V · 21 pins
SP-14V · 6 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.
108 / 108 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 | |
|---|---|---|---|---|---|---|---|---|---|
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — |