OEM boost gauge wireing

[LK Drifter]

My Spec R drift car does not have the factory boost gauge as it did not come with one as standard. I've just bought one along with the pod and boost sensor from under the bonnet. My question is, how on earth am I going to wire this up as I dont know where any of the wires from the back of the gauge go.
I've had a look at my Spec R road car and the wireing seems to come out of the interor light loom that runs up the A post, but I cant work out where the wires go after that.
Any help with this would be great.

 

[Nicely]

No idea, I'm afraid.

 

[dns15]

connect from a vaccum sensor around the drive side strut?
FYI the factory boost gauge is nothing accurate above 0.6 bar

 

[LK Drifter]

Bugger!