Sub in a 99 Jetta
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=44086
Printed Date: May 14, 2024 at 11:37 PM
Topic: Sub in a 99 Jetta
Posted By: Itsjustoverkill
Subject: Sub in a 99 Jetta
Date Posted: November 29, 2004 at 9:04 PM
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?
Replies:
Posted By: chris_h
Date Posted: November 29, 2004 at 9:12 PM
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.
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When you step on the brakes your life is in your foot's hands
Posted By: meef
Date Posted: November 29, 2004 at 9:18 PM
if not, youll need to run a power cable from the amp to your battery.
Posted By: Itsjustoverkill
Date Posted: November 29, 2004 at 9:21 PM
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?
Posted By: chris_h
Date Posted: November 29, 2004 at 9:44 PM
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.
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When you step on the brakes your life is in your foot's hands
Posted By: gmoneygardner
Date Posted: November 30, 2004 at 11:27 AM
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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