head unit wont turn on

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=7049
Printed Date: July 18, 2025 at 6:15 AM

Topic: head unit wont turn on

Posted By: 92accord
Subject: head unit wont turn on
Date Posted: December 23, 2002 at 10:02 AM

i have a jensen 3010x head unit and ive been trying to install an amp with it and i havent finished that project but now my head unit will not turn on at all, but the little power button is lit up so i know its getting power but when i press it nothing happens, it also wont eject the cd thats in there. i unhooked all the rca cables and remote turn on wire that was coming from the amp and im still getting nothing, whats wrong?

thanks

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92hondaaccord

Replies:

Posted By: Derrik
Date Posted: December 23, 2002 at 12:50 PM

First thing, i know this is silly but you never know. DO YOU HAVE YOUR KEY IN THE CAR AND TURNED TO ACC.?

Forget about all the wires accept the YELLOW, RED, and BLACK wires, those are the power.Make sure you install them correctly. Check the fuse on the back of your Head-Unit, also there's a fuse on your fuse box (somewhere in your car) for the OEM unit aswell. If that does not solve your problem. might want to use the volt meter to see you're getting any power in. If so, then your head unit got problem....hmmm get a new one i guess or return it if you just got it.

Posted By: 92accord
Date Posted: December 23, 2002 at 2:27 PM

ha ha, yes i had the key in the ignition! ill check the rest, thanks

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92hondaaccord

Posted By: 92accord
Date Posted: December 23, 2002 at 6:49 PM

ok i checked the fuse and it was blown so i replaced it so now the cd player turns on when the key is turned to acc but no sound comes out of the speakers but when i start the car it works, wahts wrong?

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92hondaaccord

Posted By: the12volt
Date Posted: December 23, 2002 at 7:24 PM

Are you using an amplifier or are you connecting your speakers directly to the head unit?

If you have an amplifier, check that you have the remote turn on lead of the amplifier connected to the amp remote lead of the head unit and that you have the amplifier's main power lead connected to the positive side of the battery and not some other 12V+ source (ie: ignition).

If you have your speakers connected to the head unit, make sure you have the memory lead of the head unit (usually yellow) connected to a constant 12V+ source (ie: positive side of battery) and not to the ignition as you could possibly have it from what you described.

Posted By: Derrik
Date Posted: December 23, 2002 at 7:49 PM

hahaha...sounds like you have loosely speaker wires connected. probably the same reason the fuse blew. Spend a few bucks buy those wire connectors (not sure the exact name but you know what i'm talking about) Make every wire connections clean and tight.

try that and let me know.