whats this

[nick english]

just looking to fit my apexi turbo timer and took the cowling off and seen this coming off the back of the ignition barrell .is this for a turbo timer that may have been fitted before i got it??if so can i plug straight from my relay into this as i dont have the wiring harness with it?
as u can c from the photo-yellow,red and blue wiring and if i plug in it will be
red-red,blue-blue,yellow-green.just want to make sure so i dont blow anything.

[nick english]

ok dont worry all sorted now looks like previous owner had a tt fitted but removed it so mine is now fitted.