MAF Connector and other cables

Does anyone know what these wires are for? One of the bullet connectors was unplugged when I checked so I plugged it back together. They come off the side of the gearbox and go the main loom:







Also is this the MAF sensor plug? When I bought my TD said it had a MAFless remap, how would I check this:











Any help appreciated.



Cheers,

Ash

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