The Project Pad

Hey everyone. I'm getting ready to finish the engine bay wiring this week. I have a few questions about the wiring so I dont make a mistake. I am running vems on 20v hybrid with a 3b intake/throttle body.

First I have the 034 TTL single coil pack.

034 posted: 3B Specific Wiring:

Pin A: Green/White ECU Trigger
Pin B: Brown/Red Ground
Pin C: Brown/Red Ground
Pin D: Brown/Red Ground
Pin E: Blue/Black +12v

I know all 3 of the grounds can't go to the same location. I assume there would be a fuse block/block/head ground or some sort of combination.

I have 2 brand new 7A knock sensors that I planned to use of my old engine. I know the 3rd wire is the shield and I have the proper wiring for it.

Pin 1 Sig +
Pin 2 Sig -
Pin 3 Shield.

Where is the best place to ground the shield wire? The head?

3B TPS (I still need to source a TPS, I don't think my 7A will work correctly)

1 5v
2 Output
3 Ground
4 Unused
5 Idle Switch
6 Idle Switch

If anyone sees any errors please let me know. This is my first time using any form of standalone and I don't want to make any wiring mistakes.

looks correct to me. I do not know the 3b tps off the top of my head but it looks right.

the knock is tough to use with this firmware, but I has gotten much better lately.

That "034" coil looks like the same pinout as a IGN-1A coil, maybe looking for that will tell you what you need as the IGN-1A is a popular coil for high powered applications. As a guess, if the grounds had to be separated, pin C should be grounded to the block or even the head since that completes the high-voltage circuit through the spark plug.

Shield grounds generally ground at ONE end and the other floats. Usually they ground at the ECU end.