head unit shutting off.
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=99709
Printed Date: May 06, 2024 at 1:58 AM
Topic: head unit shutting off.
Posted By: afholderman
Subject: head unit shutting off.
Date Posted: December 06, 2007 at 12:46 AM
I just purchased a 2002 Jetta last week and the first thing I did was rip out the Jensen and install my Alpine CDA-9856. The previous install was really shotty, and by that I mean wires held together with duct tape and too lazy to go out and but an antenna adapter. A few days ago I disconnected the battery to run power cables for an amp to the trunk, and I am 99.9% sure no wires were harmed in the process. I just started having a problem with my Alpine head unit randomly shutting off on me. It doesn't seem to follow any logical order, such as when I hit a bump, and will do it when the car is sitting perfectly still. Any thoughts on this problem would be greatly appreciated.
Replies:
Posted By: Alpine Guy
Date Posted: December 06, 2007 at 9:14 AM
Run a new power and ground wire for your head unit. The stock wires aren't even close to large enough to power your alpine.
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2003 Chevy Avalanche,Eclipse CD7000,Morel Elate 5,Adire Extremis,Alpine PDX-4.150, 15" TC-3000, 2 Alpine PDX-1.1000, 470Amp HO Alt.
Posted By: afholderman
Date Posted: December 06, 2007 at 10:36 PM
Okay sounds good, any Idea where a good place to hi-jack some 12v constant is? I have a 2g power wire running back to my trunk that passes about 2 feet away from my HU, can I splice into that?
Posted By: Alpine Guy
Date Posted: December 07, 2007 at 9:40 AM
There should be a distribution block above where the clutch pedal should be, you can use a ring terminal and tap into that, but be sure to get an inline fuse for your wire and fuse it as close to where your making the new connection as possible.
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2003 Chevy Avalanche,Eclipse CD7000,Morel Elate 5,Adire Extremis,Alpine PDX-4.150, 15" TC-3000, 2 Alpine PDX-1.1000, 470Amp HO Alt.
Posted By: afholderman
Date Posted: December 09, 2007 at 11:47 PM
Posted By: kylecm85
Date Posted: December 18, 2007 at 9:39 PM
use a 10 amp on the constant and 5 amp on the switched
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