rev limiter

Ive been given a rev limiter led thingy. Does anyone know what colour and where the rev counter wire is

(o)= tacho brown/blue from the below image ??

Cheers carl. Do you think it best taking the feed from ecu end ??

z22.cariad said:
Cheers carl. Do you think it best taking the feed from ecu end ??

@[deleted]
Woukd you have a wiring diagram for the rear lights or know what colour wires are what. I can find one (dumb)

Its cool now just used a multimeter