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-   -   Radio Draining Battery (https://www.thirdgen.org/forums/car-audio/680596-radio-draining-battery.html)

Javier87z28 05-15-2013 01:12 PM

Radio Draining Battery
 
Hey guys i have an issue, the po had hacked up the wiring for the stock radio and put in a aftermarket system with an amp running straight to the battery i removed the amp and had the stock radio wired back in but noticed that the speakers would stay on even when the car was off then eventually started draining the battery overnight, ran a draw test and the radio is drawing to high a current even when off what should i look for?

red rock 05-15-2013 01:23 PM

Re: Radio Draining Battery
 
Well the speakers must be wired to a "always hot" wire somewhere, You need to look up the wiring diagram for the stock radio and see if it's all wired correctly.

Javier87z28 05-15-2013 01:31 PM

Re: Radio Draining Battery
 
But I disconnected the speakers and the draw was still there it wasnt until the disconnected the radio that the draw left

Javier87z28 05-15-2013 01:37 PM

Re: Radio Draining Battery
 
But the radio doesnt turn on when the key is off, it will light the screen for a couple seconds then fade out

red rock 05-15-2013 01:37 PM

Re: Radio Draining Battery
 
Like i said, you need to look at the stock wiring diagram for the radio. I have the wiring diagram at home, I can try and scan it and make a copy later this afternoon, unless some one else can.

Javier87z28 05-15-2013 01:40 PM

Re: Radio Draining Battery
 
yeah if you can thatd be great

Tuned Performance 05-15-2013 01:40 PM

Re: Radio Draining Battery
 
If the radio isnt turning on without the key turned to the accessory position sounds like the radio is bad and the power supply or a cap is drawing to many amps when the car is off.
http://www.austinthirdgen.org/mkport...1992_radio.jpg

red rock 05-15-2013 01:46 PM

Re: Radio Draining Battery
 

Originally Posted by Tuned Performance (Post 5561770)
If the radio isnt turning on without the key turned to the accessory position sounds like the radio is bad and the power supply or a cap is drawing to many amps when the car is off.
http://www.austinthirdgen.org/mkport...1992_radio.jpg

Gosh darn it, i knew if you were on here you would come through again. Thanks!

Javier87z28 05-15-2013 01:59 PM

Re: Radio Draining Battery
 
So the radio should turn on without the key in the on position

red rock 05-15-2013 02:03 PM

Re: Radio Draining Battery
 

Originally Posted by Javier87z28 (Post 5561783)
So the radio should turn on without the key in the on position

No, it should not.

Tuned Performance 05-15-2013 02:03 PM

Re: Radio Draining Battery
 
LOL, no the radio has a wire hooked to the ignition switch circuit so the radio will only have power in the start or accessory position. all radios wire up the same this schematic is from 92 so im not sure if there is any wire color change but as you can see in this picture the wire is brown.

Javier87z28 05-15-2013 02:23 PM

Re: Radio Draining Battery
 
Lol okay thanks ill take a look maybe its wired elsewhere

Six_Shooter 05-15-2013 04:37 PM

Re: Radio Draining Battery
 

Originally Posted by Tuned Performance (Post 5561789)
LOL, no the radio has a wire hooked to the ignition switch circuit so the radio will only have power in the start or accessory position. all radios wire up the same this schematic is from 92 so im not sure if there is any wire color change but as you can see in this picture the wire is brown.

You mean run or accessory.

The accessory wire is yellow, not brown.

Javier87z28 05-15-2013 04:41 PM

Re: Radio Draining Battery
 
Does the yellow accesory wire apply to all third gens?

Tuned Performance 05-15-2013 04:47 PM

Re: Radio Draining Battery
 

Originally Posted by Six_Shooter (Post 5561901)
You mean run or accessory.

The accessory wire is yellow, not brown.

:idiot: your right :lmao:


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