E7 or E is a connector that is already pre wired in the engine loom and usually would not need any modification. The reason I have to look at this connector is because it contains many pins associated with the automatic gearbox which is deleted.
I am using a manual conversion kit from PMC to adapt the engine to a BMW GS6-53DZ 6 speed manual gearbox.
Research
The following table describes the relevant pins that need special treatment for a manual conversion.
| ECU pins at E | Function |
|---|---|
| E4 STAR | This pin is connected to the neutral start switch in the automatic gearbox. It prevents the engine from starting when not in a neutral gear. In a manual conversion this could be connected to A12 STA since when A12 gets the starting 12V signal the neutral switch also has to be switched. |
| E6 P | P Signal, not needed |
| E8 R | R Signal, not needed |
| E9 D | Probably need 12V here to make the ECU think we are in drive -> research more |
| E32 N | N signal, not needed |
| SL2+/-, SR, S1, S2, S3, S4, SLT+/-, SL1+/-, SLU+/-, EOIL/OIL | Go to internal transmission solenoids and sensors. Should not be needed. |
| SP2+/- | Speed sensor, not needed |
| NT+/- | Turbine(Wandler?) speed, not needed |
The result is that we need to splice out E4 and E9 and give them the signal from PDM. E4 when cranking and E9 when not cranking. Thought: Can we just have both on all the time?
There are no cables we need to manually control at Connector D or F.