hi people! i have fitted a airtec intercooler to my rs turbo cab,just wanted to now do u have to wire a relay on to the twin fans? its bin on for a while now an all was gud.but no wen the fans come on the lights on me dials go dim! any body ad the same problem??? if any body cud help that wud b gr8! thanx

 

The fans will use quite a bit of power, hence the slight dimming of the dash lights.
Just check your charge rate, clean up connections etc, especially earth.
Twin fans should defo be through a relay anyway, for safety.
tabetha

 

thanx m8, i will get a relay on it now