Just a couple easy (hopefully) wiring questions. The car is a 1991 325i Touring and the engine is an S52 from a '98.
This wiring on the intake manifold is stock E30 wiring from the positive terminal on the battery. I don't remember where it was when I took everything apart over a year ago. Does it go the starter?

Then these two wires are from the E34 harness. I've been told one is power and the other is ground just not sure which is which. The one that goes back through the firewall to the ECU is brown and joins about 4 other brown wires. The one on the valve cover is Brown with orange stripe and joins about 4 other brown/orange stripe wires further down the harness.
This wiring on the intake manifold is stock E30 wiring from the positive terminal on the battery. I don't remember where it was when I took everything apart over a year ago. Does it go the starter?

Then these two wires are from the E34 harness. I've been told one is power and the other is ground just not sure which is which. The one that goes back through the firewall to the ECU is brown and joins about 4 other brown wires. The one on the valve cover is Brown with orange stripe and joins about 4 other brown/orange stripe wires further down the harness.

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