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radio wire? 08 colorado

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=112906
Printed Date: March 29, 2024 at 7:36 AM


Topic: radio wire? 08 colorado

Posted By: ernk29
Subject: radio wire? 08 colorado
Date Posted: April 04, 2009 at 1:33 AM

i have an 08 colorado with onstar, on the onstar harness there are repetition of the same wires, which one do i use? can you give me a walkthrough step by step on how to install a new headunit in detail? (the radio is an alpine cda-9830, and the truck is 08 chevy colorado



Replies:

Posted By: ernk29
Date Posted: April 04, 2009 at 1:36 AM
i have the radio also hooked up and its not turning on but when i directly hooked it up to the battery to check it turned on




Posted By: nstaller36695
Date Posted: April 04, 2009 at 2:11 AM

u need a data interface harness to get an ignition wire behind the radio AND keep your onstar. if u dont mind losing your onstar you can run a wire to the fuse box under the hood. i highly recommend the interface even at the outrageous price. they retain the onstar and the radio not going off until a door opens plus the door chime



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the best part of a job is seeing the bumper get smaller over the horizon




Posted By: ernk29
Date Posted: April 04, 2009 at 8:02 AM
i have it hooked up to a onstar harness, i color matched every thing and i dont know why it wont turn on, and i checked the fuse box under the hood, and i cant find a secondary fuse box,the harness has two dimmers, remote turn ons, power, and rear speakers, i had a kenwood hooked up the same way i have my alpine hooked up the other day but my alpine wont turn on




Posted By: nstaller36695
Date Posted: April 04, 2009 at 8:23 PM
check the module for output. ign constant etc..... if thats not it i had a coworker troubleshooting an 08 silverado for an hour i walked over unplugged the module for 30 sec., plugged it back up and worked like a champ. several manufacturers work different ways. some turn the key wire off for onstar and some mute. and if its not that maybe u just have the wrong interface be sure to check the listings as they are not all the same. p.s. the ones for $35 from wal-mart suck.

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the best part of a job is seeing the bumper get smaller over the horizon




Posted By: ernk29
Date Posted: April 07, 2009 at 11:04 PM
i'm pretty sure its the right onstar harness its an metra one that was 125 for my truck, and i had a kenwood radio hooked up this harness a few days ago and it worked fine





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