goodfellow
Member
Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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rite i have a slight problem
i'm gonna run a two amp set up with a 15 inch sub and power cap.
my mate wired his up he has the same as me and his battery kept goin flat due to the amps not shuttin off.
he took it to our local ice mand and he said that its something to do with the corsa and relays have to be added.
is this true and has anyone else had any problems heres my install.
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loo_goblin
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Registered: 14th Jul 04
Location: Horsham, West Sussex
User status: Offline
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u got a remote cable goin to both amps?
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stubs
Member
Registered: 30th Jun 02
Location: Bolton
User status: Offline
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Generally speaking, you can normaly get away with turning on 2 amps from the h/u's remote output.. Otherwise, its best to use 1 relay, for every 2 amps you are turning on...
Relay's don't cost much, I think Maplin's do them for approx £1-2.. but make sure you use insulated spade terminals!! Don't cut corners, it's not worth it!
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goodfellow
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Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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yeah will have a remote lead runnin to each amp.
if i was to use a rely where would i connect it in the remote lead.
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stubs
Member
Registered: 30th Jun 02
Location: Bolton
User status: Offline
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On the relay:
85 to the head unit remote output
86 to a good earth
30 to a fused 12v supply
87 to the amps remote input.
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goodfellow
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Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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and u reckon this will work.have u tried it before.
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stubs
Member
Registered: 30th Jun 02
Location: Bolton
User status: Offline
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I don't know if it will stop your battery going flat.. as that may not be the cause of the problem.. but I garuntee that using the relay will safely turn your amps on & off, as per the headunit output.
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goodfellow
Member
Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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how about wiring in the power cap?
i know its just questions but i really need help my local ice man wants £150 to do all this.
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stubs
Member
Registered: 30th Jun 02
Location: Bolton
User status: Offline
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What do you need to know about wiring a power cap?... Have you done a search?
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goodfellow
Member
Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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how do i connect it into the install.i need a diagram if possible.
did a search and found a thread but the pics wont load up.
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goodfellow
Member
Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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i found this is this rite
http://www.precisionautosound.net/capacitors.html
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stubs
Member
Registered: 30th Jun 02
Location: Bolton
User status: Offline
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From the Battery +ve to the +ve of the cap (fused of course).. then from the +ve of the cap to the +ve of the amp..
The -ve of the cap needs to be connected to a seperate ground point than the amp.
Don't forget to follow the cap's manufacturers instructions as to charging the cap, before connecting it, or you'll see some sparks!
Personally though, I wouldn't bother with a cap... do a search on TalkAudio... 
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stubs
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Registered: 30th Jun 02
Location: Bolton
User status: Offline
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quote:
Originally posted by goodfellow
i found this is this rite
http://www.precisionautosound.net/capacitors.html
Yep that'll do
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goodfellow
Member
Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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when i run the relay do i put the remote wire on pin 87 then run this to both remote inputs on the amps?
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stubs
Member
Registered: 30th Jun 02
Location: Bolton
User status: Offline
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Yes, you should have 2 wires coming out of pin 87... one of them going to one amp, and one to the other amp.
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goodfellow
Member
Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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cheers i'll let u know how i get one.
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goodfellow
Member
Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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started to wire it all up today took me longer than i thought because of the rain that we've had my end of the country.
gonna carry on with it 2moro just gotta wire in the amps and sub then see if it all works.
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goodfellow
Member
Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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all in and workin.
amps switchin off like they should.
cheers stubbs for all the help u've just saved me £150.thanks again.
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shrews corsa
Member
Registered: 16th Mar 01
Location: Shrewsbury, Shropshire
User status: Offline
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i coulda sorted you out mate
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