Makarus
Member
Registered: 25th Jun 02
Location: Nottingham/Derbyshire Boarder.
User status: Offline
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If I have my head unit on anything over around 18 (Alpine CDA7893R) then I get fading of the interior light (which I can cope with) but I also get it with my head lights.
What do you think the problem is?? Alternator?? Battery? Bad wiring??
Also when I have my head unit on with the engine off I get about 10 mins before the battery is dead at level 13ish.
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R Lee
Member
Registered: 15th Aug 03
User status: Offline
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power cap, i think?
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Sean, your battery will be nackered. I let two vauxhall batteries go flat once and they NEVER recovered!! You are pulling too much power. Either split charge with an optima/jell battery or for the meantime upgrade to a larger battery upfront. I run a 70Ah Varta heavy-duty upfront and optima in the rear, hence the addition of 6-7 stone in weight!!
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Chris E
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Registered: 7th Jul 03
Location: Birmingham
User status: Offline
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Are you running an amp and sub? I used to get the headlights flickering along with the bass. If your using an amp thats over 1000w, then its ideal to use a power cap. If its just your HU, then you've got one knackered battery as already said.
hope that helps 
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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NO caps are rubbish!! They just ensure a smooth power distribution! You need the power there in the first place - Altenator upgrade, then battery, then Cap if needed but you wont if youve done the other two...
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Makarus
Member
Registered: 25th Jun 02
Location: Nottingham/Derbyshire Boarder.
User status: Offline
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Cheers for the help Tomas and others.
My amp is only 450W for my sub, so I always thought that wasn't enough to kill it that quick. Also got comps up front but they aint massively powerfull.
Will get myself a new battery sorted up front then, not gonna bother with new alternator coz I have a 2.0 16v going in in the new year.
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Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
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caps are the biggest waste of money ever, your much better off splashing out on a diesel battery, mine was 35 quid and is 70 amp as apposed to the petrols 55 amp jobbies. my battery went flat so i had to get a new one, since then i havent had any dimming of lights etc..
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Makarus
Member
Registered: 25th Jun 02
Location: Nottingham/Derbyshire Boarder.
User status: Offline
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I will go get meself a diesel one then, will my 1.2 8v alternator be alright to charge that??
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Makarus
Member
Registered: 25th Jun 02
Location: Nottingham/Derbyshire Boarder.
User status: Offline
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FFS
Got back to me mates house this morning after a night out, parked the car up last night at about 6:30pm and tried to start it up today at about 12:30, dead again, had to get mate across the road to jump me.
Pissing me off now, then only thing that was on was the alarm, surely that aint gonna drain a battery that was put on trickle charge 2 days before??
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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The battery will have had it. Once they are flat they never properly recover, no matter how long etc its charged for, it just isnt holding charge is it. Ive just flattened one before just the once and that was enough for it to  . New battery time mate! Your altenator should be fine, mine was fine charging a BIG diesel battery and split charged optima...
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Makarus
Member
Registered: 25th Jun 02
Location: Nottingham/Derbyshire Boarder.
User status: Offline
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Thats alright then mate.
To add insult to injury the same night, just after I had posted I went to go out and it had gone flat again, about 7 hours later than when it was turned off, fecking annoying me now.
Gotta wait till pay day on friday though, hope it lasts out without giving me too much shit, went and spent nearly all me cash this weekend on a night out, only got enough left for petrol, food and smokes.
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Dont forget my Optima... you can run it under the hood you know as a main battery! Let me know as I need to shed the weight. Mate be carefull cos if your battery just goes (which believe me it WILL) you'll be in shit creek. I can get you a GOOD second hand Vauxhall one for £10 mate... let me know by U2U. Im free on Wednesday so could sort you then and meet you if you want at PC world. Oh and bring some jump-leads so I can start you for when you go home.
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