Interferance

[john_redtop]

Hi i have got a sub and amp and also 4 6x9 and front door speaker's in my corsa for sum reason when i indercate/brake switch fan on (fan on switch) it interfears with the sub/speaker's it does a thump noise it's only does it for a second but is annoying could it have anything to do with were i have the amp earthed it is earthed to a bolt on the rear light's

Cheer's

[quinnywhufc]

try bolting to the chassis of the car also check no power cables ar running next to the speaker wires

[john_redtop]

Ok mate will cheer's

[jayporn]

Make sure to scrape/sand a bit of paint off to ensure a good connection.

[john_redtop]

ive done that made sure was scraped of well but still interfears gunna bold it to some were else to see if that is any better cheer's for the help