wilkinsj93 Posted April 2, 2014 Share Posted April 2, 2014 Hi All. Im new to the forum. not sure if anyone can help me. I have a 55 plate 1.6 ford focus. now everytime I turn my radio up and the bass hits the lights dim (headlights, odometer light) now this is what I have installed at present 105a brand new ford original alternator a brand new 72ah battery silver calcium ford original done the big 3 wire upgrade cleaned up the grounds in boot, headlight earth, and main earths I have a jvc head unit A FLI 900S 4 channel amp in 2 channel mode bridged with a 12" edge sub connected to it if anyone could shed any light on the situation. would be gratefully appreciated. Quote Link to comment Share on other sites More sharing options...
JustCONNECT Posted April 3, 2014 Share Posted April 3, 2014 Hi, This is a classic Audio problem. The current draw is higher when the Bass audio is kicking in. There is a easy thing to sort. I would suggest a Power CAP on the power input to the Amplifier. There are tables that will say what value is required. But I would suggest a 1Farad cap should do the trick. These are not that expensive, but go for a good make Cap as the cheaper ones are a little pony and not true to the value. If I can suggest a retailer, I have worked close with Gavin at G7 Sounds. These guys know the products and trade. You can say you spoke to JustConnect and they may do you a good turn. http://www.g7sounds.co.uk/ Cheers Quote Link to comment Share on other sites More sharing options...
wilkinsj93 Posted April 3, 2014 Author Share Posted April 3, 2014 Hi (just connect) I have been told that installing a cap will only make things worse. Im going to see my local audio speaialist at weekend to see what they have to say. But thanks anyway. :D Sent from my GT-I9300 using Ford OC mobile app Quote Link to comment Share on other sites More sharing options...
mgaking Posted April 3, 2014 Share Posted April 3, 2014 What size cable did you use for the big 3? Quote Link to comment Share on other sites More sharing options...
wilkinsj93 Posted April 4, 2014 Author Share Posted April 4, 2014 Its 25mm 170amp battery wire. Used on all 3. Sent from my GT-I9300 using Ford OC mobile app Quote Link to comment Share on other sites More sharing options...
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