MoNkEy MaGiC
Member
Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline
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ive currently got alpine 4x60watts headunit with 3 pre outs of which one is running a Alpine v12 amp 120watts x2 on 6x9s at the back
and am thinking getting a 1000watt alpine sub with 800watt v12 amp to power it.....
ive got a more powerfull battery, u think i wud need a new alternator and a cap or both???
im a begginer to ICE so im not sure about all these caps, batterry and alternators!!
also can u post any wiring diagrams that could be use full
cheers 
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DC
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Registered: 24th Apr 02
Location: Grimsby, N.E.Lincs
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not really.
When u start havin a couple of subs i wud consider uprating the alternator n maybe gettin a cap but ya shud b ok 4 now
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drunkenfool
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Registered: 7th Feb 03
Location: Hereford Drives: Audi R8 V8
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are those figures RMS or max power? If it is max, you should be fine with just the uprated battery. Only wiring diagram i got that may possible be of any use is the split charge one in my garage under "other" but probably wont be that much use anyway! 
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cdcool1
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Registered: 9th Jun 02
Location: Scunny
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Dont bother with a cap, waste of time. Alternator is best place to start mate
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MoNkEy MaGiC
Member
Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline
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yeah all those figures above are in watts, so its not a mega load system but nice n decent 
yeah ive heard that a cap is just for show really unless u got a heavy ice install!!
thing is my Gsi engine heats up really quickly!!!!!!!  jus the way they are.
so during a cruise with my mates i tend to have the engine switched of wen we have pulled up sumwere for a bit and have the sounds still playing!!
this causes the car to suddenly cut out n stall wen we do start moving of again, but this is not as bad since i had the new battery put in??
any ideas???
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cdcool1
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Registered: 9th Jun 02
Location: Scunny
User status: Offline
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might be an idea to have 2 batteries if you listen to your music alot whith the engine off. You'll need a split charging system to charge them both up. If you have any questions mate just u2u me and i'll tell you how to do it 
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drunkenfool
Member
Registered: 7th Feb 03
Location: Hereford Drives: Audi R8 V8
User status: Offline
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Thats the rough idea, ignore the figures on there though, thats for my sistem.
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cdcool1
Member
Registered: 9th Jun 02
Location: Scunny
User status: Offline
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I wouldn't use an ignition live feed, this would activate the relay if the key is in the ignition and only turned to the first bit, you want the relay to activate when the engine is actually running, otherwise you wi'll put a lot of strain on the system.
Your alternator should have 2 wires comming from it, one should be much bigger than the other. this will go to your battery. The other one goes through the bulkhead to your dash board, this is for the warning light on your dash board. When the engine is started, its goes to 12v. You want to run a wire from this connection to activate the relay
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Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
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quote:
Originally posted by cdcool1
I wouldn't use an ignition live feed, this would activate the relay if the key is in the ignition and only turned to the first bit, you want the relay to activate when the engine is actually running, otherwise you wi'll put a lot of strain on the system.
Your alternator should have 2 wires comming from it, one should be much bigger than the other. this will go to your battery. The other one goes through the bulkhead to your dash board, this is for the warning light on your dash board. When the engine is started, its goes to 12v. You want to run a wire from this connection to activate the relay
You can connect it to an ignition live because when you turn they key to start the engine, most ignition lives are disconnected until the engine has started. All i did was go through a few fuses in the fusebox until i found one that shut off when you started the car, and i tapped off that.
So when you turn the key, it disconnects the relay, but turns it back on once the engine is running.
Easy peasy
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Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
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quote:
Originally posted by MoNkEy MaGiC
yeah all those figures above are in watts, so its not a mega load system but nice n decent
yeah ive heard that a cap is just for show really unless u got a heavy ice install!!
thing is my Gsi engine heats up really quickly!!!!!!! jus the way they are.
so during a cruise with my mates i tend to have the engine switched of wen we have pulled up sumwere for a bit and have the sounds still playing!!
this causes the car to suddenly cut out n stall wen we do start moving of again, but this is not as bad since i had the new battery put in??
any ideas???
This is because when you park up and shut your engine off, your battery is powering all your ICE without the greatly needed help of the alternator. When you start your car, your alternator is working its bollocks off to recharge the battery. This will place strain on the engine, hence the stalling. When you put your new battery in it probably hasnt been as bad because its a much better battery that isnt so much trouble to recharge unlike your old one which was probably shagged.
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MoNkEy MaGiC
Member
Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline
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yeah, my old battery almost caused a fatal accident man!! was crossing a very busy fast paced road wen engine suddenly cut out!!! all i cud do is jus look at the car cumming towards me skidding all the way...but luckily it just stopped on time inches from my door!! after that i got the new battery put in
i guess best thing to do is just give the the engine time to warm up n let the battry get charged before pullin of again
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