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
MS3PROMINI-A-29 Digital switched in 1 / Flex fuel
GND
0V sensor
MS3PROMINI-A-8 Injector out D
MS3PROMINI-A-7 Injector out C
MS3PROMINI-A-6 Injector out B
MS3PROMINI-A-5 Injector out A
MS3PROMINI-A-12 Injector out H
MS3PROMINI-A-11 Injector out G
MS3PROMINI-A-10 Injector out F
MS3PROMINI-A-35 Digital frequency in 2 (Hall)
MS3PROMINI-A-16 Analog in 4
MS3PROMINI-A-33 CMP-
MS3PROMINI-A-32 CMP+
MS3PROMINI-A-30 CKP+
MS3PROMINI-A-9 Injector out E
5V ref
MS3PROMINI-A-28 TPS in
MS3PROMINI-A-26 CLT in
MS3PROMINI-A-14 Analog in 2
MS3PROMINI-A-15 Analog in 3
MS3PROMINI-A-17 Spark out A
MS3PROMINI-A-13 Analog in 1
0V sensor
GND
GND
GND
OEM-E9
Stock ECU being replaced
3No.2 speed sensor return (SP2-)
4Power ground (E11)
7Distributor ground (G-)
10A/T shift solenoid 1 (S1)
15Injector 6 (#60, rear)
16Injector 5 (#50)
17Injector 4 (#40)
18Injector 3 (#30)
19Injector 2 (#20)
20Injector 1 (#10, front)
23No.2 speed sensor (SP2+)
24A/T oil temperature (OIL)
25Cam position 2 (G2)
26Cam position 1 (G1)
27Crank position (NE)
35ISC stepper coil 1 (ISC1)
41Sensor supply +5V (VCC)
43Throttle position (VTA1)
44Coolant temperature (THW)
47O2 sensor 2 (OX2, rear bank)
48O2 sensor 1 (OX1, front bank)
57Igniter trigger (IGT)
62Manifold pressure (PIM)
65Sensor ground (E2)
69Power ground (E1)
79Power ground (E02)
80Power ground (E01)
MS3PROMINI-A-34 Digital frequency in 1 (Hall)
MS3PROMINI-A-4 Fuel pump out
MS3PROMINI-A-3 PWM out 1 / Idle
MS3PROMINI-A-27 IAT in
EFI main relay power (+B)
EFI main relay power (+B1)
OEM-E10
Stock ECU being replaced
2No.1 speed sensor (SP1)
23A/C clutch relay (ACMG)
24EFI main relay control (M-REL)
29Cat temperature sensor (CCO)
31EFI main relay power (+B)
32EFI main relay power (+B1)
MS3PROMINI
MS3PROMINI-A
MS3PROMINI
112V+ switched power in
2+5V VREF out
3PWM out 1 / Idle
4Fuel pump out
5Injector out A
6Injector out B
7Injector out C
8Injector out D
9Injector out E
10Injector out F
11Injector out G
12Injector out H
13Analog in 1
14Analog in 2
15Analog in 3
16Analog in 4
17Spark out A
21Sensor ground
22Power ground
23Power ground
26CLT in
27IAT in
28TPS in
29Digital switched in 1 / Flex fuel
30CKP+
32CMP+
33CMP-
34Digital frequency in 1 (Hall)
35Digital frequency in 2 (Hall)
12V+ switched power in
5V ref
OEM-E10-24 EFI main relay control (M-REL)
OEM-E10-23 A/C clutch relay (ACMG)
OEM-E9-17 Injector 4 (#40)
OEM-E9-16 Injector 5 (#50)
OEM-E9-15 Injector 6 (#60, rear)
OEM-E9-10 A/T shift solenoid 1 (S1)
OEM-E9-35 ISC stepper coil 1 (ISC1)
OEM-E9-20 Injector 1 (#10, front)
OEM-E9-19 Injector 2 (#20)
OEM-E9-18 Injector 3 (#30)
OEM-E9-62 Manifold pressure (PIM)
OEM-E9-47 O2 sensor 2 (OX2, rear bank)
OEM-E9-48 O2 sensor 1 (OX1, front bank)
OEM-E9-24 A/T oil temperature (OIL)
OEM-E9-57 Igniter trigger (IGT)
0V sensor
GND
GND
OEM-E9-44 Coolant temperature (THW)
OEM-E10-29 Cat temperature sensor (CCO)
OEM-E9-43 Throttle position (VTA1)
OEM-E9-3 No.2 speed sensor return (SP2-)
OEM-E9-27 Crank position (NE)
OEM-E9-26 Cam position 1 (G1)
OEM-E9-25 Cam position 2 (G2)
OEM-E10-2 No.1 speed sensor (SP1)
OEM-E9-23 No.2 speed sensor (SP2+)
SP-0V · 4 pins
SP-GND · 7 pins
SP-14V · 4 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.
37 / 37 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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