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Power Problems Head Unit/Amp etc

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=69758
Printed Date: June 07, 2024 at 5:10 PM


Topic: Power Problems Head Unit/Amp etc

Posted By: stads9
Subject: Power Problems Head Unit/Amp etc
Date Posted: January 01, 2006 at 3:41 PM

The other day I went to turn on my car...Mitsubishi Eclipse 2000 GT...and nothing would power on, not the head unit or amps. I may have touched the power cable with the ground cable the day before on one of my amps. Would this cause to blow a fuse that would effect my whole system? if so...which one is it and where would i find it...I tried to check all the ones I am familiar with and they seemed to be fine. What is the deal with the big black fuses under the hood. could it be one of those?



Replies:

Posted By: fingaz22
Date Posted: January 01, 2006 at 7:09 PM

well that ain't good directly shorting your system. but if it work after it may not be the problem. but you can't exclude it either and the fuse under the hood closest to the battery is for your amps. and should be check.

i think you have a hu problem if it was installed correctly then grounding out your amp shouldn't of popped it. unless you hit the remote wire(blue wire to amp).even then though.

you need to check the fuses for the hu in the vechiles fuse box. should be a 10 amp fuse check the owners manual.if ok then the removal of the hu is required to check it.

take a test light or multimeter and with the car on see it you have power at the red and yellow wires to the hu. you should see battery voltage there 13- 14 volts or a good strong light up of the test light. then check your ground for the hu(black wire). if ok your hu is probably bad. check it on a out side source of power befor you 86 it though.



-------------
JUST ONE MORE AMP!!!
hu,alpine cva 1005/dva 5205
sound processor,symmetry(first one).
sub amp,power 1000 the terminator.(1992).
subs,spl comp dual 1 ohms.
punch 150hd on a 10" ev.
alotofhighs




Posted By: stads9
Date Posted: January 02, 2006 at 12:37 AM

It was in fact a blown fuse I finally found it under my hood in the fuse box. However the fuse that was in there was a 7.5 mini and the diagram in the fuse box cover shows a 10. Would there be a 7.5 in its stead for any specific reason? I did not change it to that so maybe someody who installed my system did? If not, would it be a good idea to put a 10 back in there to replace the blown 7.5 or just keep it the same (7.5) despite the diagram on the fuse box?





Posted By: geepherder
Date Posted: January 02, 2006 at 9:58 AM
If it calls for a 10, install a 10.  The 7.5 was probably just there because the person who worked on it before you did not have a 10 amp fuse.

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My ex once told me I have a perfect face for radio.




Posted By: fingaz22
Date Posted: January 02, 2006 at 4:01 PM

thank you for the update and that is how this forum should always go state the problem and let us know what the solution was. so the next guy that has the problem will have the info right at his fingaz tips. ha. as long as the do the search first. i'm glad it was only the fuse.

you should fix those power and ground wires at the amp. so they don't get touched together again. could cause problems. good luck



-------------
JUST ONE MORE AMP!!!
hu,alpine cva 1005/dva 5205
sound processor,symmetry(first one).
sub amp,power 1000 the terminator.(1992).
subs,spl comp dual 1 ohms.
punch 150hd on a 10" ev.
alotofhighs




Posted By: geepherder
Date Posted: January 02, 2006 at 9:46 PM
I think he meant he touched some of the wires together behind the radio when working on the amps.  That would pop the fuse, and keep the amp from turning on as well.

-------------
My ex once told me I have a perfect face for radio.





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