What are the extra plugs for?

[Digger]

There are some extra plugs on the engine harness that I can't find an explanation for in the install manual. I assume 2 of them are extras for something not included with the R2.8, but the 3rd I'm not sure. There is also a extra MAP sensor. Can someone confirm this is to measure ambient pressure? Do I leave it zip-tied to the loom tube or mount it? Should it have a sintered or foam air filter?

[Sanders]

The "extra" sensor can be left tied to the loom. I believe it's ambient air temp but I need to look it up to be sure.

The triangular connection is a CAN bus connection. You can leave it plugged and if someone needs to hook a service tool to the engine, they have that as an option. I'm using mine to connect to my transmission controller CAN bus.

The yellow plug can be left alone. I believe it's two CAN wires, maybe a charge lamp indicator, and a jumper to the AC compressor plug that's also on the harness. This was leftover from an option for an OEM connection point.

[Digger]

Awesome, thanks!