Power Cable For Amp

[Rosco906]

was told there was a rubber grommet somewhere for this to be done,

Going to fit mines at the weekend, Folks want my stuff from under there bed out the way, Just going to run them off standard Headunit,

mate has one of those rca's adapter so i can borrow till my headunit gets fixed.

anyone explain where this grommet is

 

[Ric 2001]

Picture pinched from Gaz, but top right hand corner of the picture

 

[Rosco906]

Cheers Ric