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By the way I did search, and came up with this thread:
http://www.seatcupra.net/forums/showthread.php?t=115087&highlight=amp
But I am still a bit stuck.
Is the best way to go just getting an adaptor? As I don't want to blow up my car.
Or is there some kind of place on the HU that you can plug it into directly.
I need it in simple terms, as when it comes to things like this I am a total fool.
http://www.seatcupra.net/forums/showthread.php?t=115087&highlight=amp
But I am still a bit stuck.
Is the best way to go just getting an adaptor? As I don't want to blow up my car.
Or is there some kind of place on the HU that you can plug it into directly.
I need it in simple terms, as when it comes to things like this I am a total fool.
Mat
Guest
I live in Cheshire, I've got someone helping me who knows a whole lot more about it than I do, but he's got a Corsa, and therefore a proper HU, so I was just finding out what work was involved. Thanks anyway though.
Is there some kind of access to the HU under the dash?
Is there some kind of access to the HU under the dash?
Mat
Guest
i cheated when wiring in my amp.
i took 2 cables from the fron to the back, one power cable nice chunky one from battery (with inline fuse at the front) and a tiny little blue cable from front to back. the blue cable is my REM, and that is connected to a fuse under my dash.
i used a multimeter and another set of hands to measure when the voltage turned on and off with ignition then red the REM off that.
both go down the passenger side of the car (through where the standard wiring loom goes) to the boot, where my sub is.
To get a signal to my sub, i purchased a phono lead and spliced it, so the inner cable whent to one speaker output(red) and the outer to black. i then soldered and crimped these together, and ran that down to my amp. my amp sorts it out from there and it sounds fine. always good comments on the sound in my car.
some people will say its a NONO as im putting a high levgel input in to a low level output, but to be honest it does not matter in the terms of such low voltages. and if it does blow the head unit (which it has not even after a long time of hard use) i will just buy a new HU and do the propper conversion.
i took 2 cables from the fron to the back, one power cable nice chunky one from battery (with inline fuse at the front) and a tiny little blue cable from front to back. the blue cable is my REM, and that is connected to a fuse under my dash.
i used a multimeter and another set of hands to measure when the voltage turned on and off with ignition then red the REM off that.
both go down the passenger side of the car (through where the standard wiring loom goes) to the boot, where my sub is.
To get a signal to my sub, i purchased a phono lead and spliced it, so the inner cable whent to one speaker output(red) and the outer to black. i then soldered and crimped these together, and ran that down to my amp. my amp sorts it out from there and it sounds fine. always good comments on the sound in my car.
some people will say its a NONO as im putting a high levgel input in to a low level output, but to be honest it does not matter in the terms of such low voltages. and if it does blow the head unit (which it has not even after a long time of hard use) i will just buy a new HU and do the propper conversion.
You need the HU removal keys to take HU out of dash
RCA(phono) converters go in back connected to speaker wires (as above see diagram)
RCA then plugs into that and goes to amp
Remote wire goes from remote wire in HU (should be labelled) to amp
Power from battery to amp including in line fuse within 30cm of battery terminal
Earth from amp to a good solid bolt in the boot somewhere
Speaker cable from Amp to what ever your amp is going to be running (speakers/sub etc....)
Hope this helps
RCA(phono) converters go in back connected to speaker wires (as above see diagram)
RCA then plugs into that and goes to amp
Remote wire goes from remote wire in HU (should be labelled) to amp
Power from battery to amp including in line fuse within 30cm of battery terminal
Earth from amp to a good solid bolt in the boot somewhere
Speaker cable from Amp to what ever your amp is going to be running (speakers/sub etc....)
Hope this helps
When I wired up my amp I used the CD Changer plug in the boot for the remote feed. I used the rear speakers as the high level inputs so no need for RCA leads.
Ah! good idea, think i might change mine from the 12v cigarette socket in me boot to the cd changer-then i wont have to worry if i forget to switch the amp off as i have done before and flatend my battery.......3 times! cool
i initially took the remote off the cd changer plug. i have a 6 cd changer connected aswell and i will tell you now, it does not work. i had real problems trying to figure out why my cd changed did not play cd's for more than a couple of minutes, especially on a bassy track. turns out it was something to do with the 12v feed to the cd changer.
dont ask why this happened becuase generally the REM should only be taking a couple of mili amps at most,. so dont know why it interfered with the workings of it
How are you finding this method and has anyone else done it this way?
Its how i was gonna do mine.
Thats the way mines was wired and it worked perfectly for the 2 years I owned the car
Sure it wasnt something to do with the bass making the CD skip which stopped it playing?
) You will need a remote turn on lead wire so that when you turn on your headunit, your aftermarket amp will turn on. Find the wiring harness that you would plug into your 6 CD-Changer or already have your 6 CD-Changer plugged into. Peel back the black wrapping around the harness. Find the GREY wire inside that harness. This is the wire you will tap into for your remote turn on wire for your aftermarket amp. Here is what it looks like when done:
OPTIONAL: It may be a good idea to use a relay instead of powering the additional amp turnon directly from the cd changer harness. One guy accidentally shorted the wire and blew the turon circuit in his HU which would be a bummer.
A relay is simple to do: Get a 30 amp automotive relay. Hook it up in the following manner:
Relay coil A :Gray changer wire
Relay Coil B: Ground (I took it right from the - terminal on my subwoofer amp.)
Relay Common: +12V (I took it right from the + terminal on my subwoofer amp.)
Relay N.O. Terminal: Amp turnon terminal.
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