No Power

[billy18bm 10+ year member]

alright my i was helping my friend we hooked up his sony radio that he bout for a 96 corolla and it worked fine and then bam it jus cut out no more power... so we took it back got an alpine cuz he didnt know wat to buy the first time i showed em the alpine 9843 i believe.. so we get back plug it up no power.... so we take his factory radio and plug it up NO POWER... so im thiknin fuse.... i check the fuse switched it w/ his turn signal....and nothing... so idk wats up becuase like all of the panelse are gettin power and his HVAC controls are lightin up so im thinkin maybe it could have came loose on the factory connection?? or not? and if the wire did happen to burn or w/e how would i wire it to the accessory so that his radio would turn on when the car did and do you guys kinow the voltage for thesse:

yellow is memory wat voltage or can i just run from the battery...

red how do i run it to the accessory ive heard people talk about this... but where is it?? thanks in advance... hope i get this figured out... u guys are always great help....

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[billy18bm 10+ year member]

anybody?? please help....

 

[johnecon2001 5,000+ posts]

accessory is the wire from the ignition switch when it is in accessory position. You can run the yellow right to the battery. Make sure you ground the unit to the frame as well.

 

[KaeZoo 10+ year member]

You still probably have a blown fuse in the vehicle. There are always TWO fuses that affect the radio power; an accessory fuse, and a constant fuse. They may not both be labelled as radio fuses. Check all the fuses, including under the hood. Is anything else in your vehicle not working; ie, dome light, horn, clock, cigarette lighter?