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Sub in a 99 Jetta


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Itsjustoverkill 
Member - Posts: 3
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Joined: November 10, 2004
Location: United States
Posted: November 29, 2004 at 9:04 PM / IP Logged  
Hey guys, first poster here. My friend has a 99 VW Jetta and we are hooking his sub into the stock head unit. What wire do I splice to give power to the amp?
chris_h 
Copper - Posts: 50
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Joined: November 26, 2004
Location: Canada
Posted: November 29, 2004 at 9:12 PM / IP Logged  
itsjustoverkill - by 'give power to the amp' do you mean input from the head unit? If so, what you need to do is splice the wires going to the rear speakers (if the amp's going into the trunk) and hook these into the speaker level inputs on the amp.
When you step on the brakes your life is in your foot's hands
meef 
Member - Posts: 44
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Joined: November 17, 2004
Location: United States
Posted: November 29, 2004 at 9:18 PM / IP Logged  
if not, youll need to run a power cable from the amp to your battery.
Itsjustoverkill 
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Joined: November 10, 2004
Location: United States
Posted: November 29, 2004 at 9:21 PM / IP Logged  
I know to get the signal to the amp you splice from the rears, but as for the remote turn-on, do you have to run the wire from the battery or is there a way to splice it off the deck?
chris_h 
Copper - Posts: 50
Copper spacespace
Joined: November 26, 2004
Location: Canada
Posted: November 29, 2004 at 9:44 PM / IP Logged  
Yes you can splice it from that. The remote wire is hooked up to the deck, and will probably be blue. You can't bring the remote turn-on right from the battery because it will always be putting out power, whether the ignition is on or not.
When you step on the brakes your life is in your foot's hands
gmoneygardner 
Member - Posts: 13
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Joined: November 30, 2004
Location: United States
Posted: November 30, 2004 at 11:27 AM / IP Logged  

Vw's will usually use a white wire for factory amp systems for amp turn on, if there is no amp go ahead and use the switched power which is usually BROWN / red, but this wire will go directly to the ignition switch with no fuse so be sure to put a 5A fuse in line, or else this circuit could get damaged


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