No radio after alt swap/big 3(4) install

Cleanoh4

Cleanoh4

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Aug 27, 2013
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I replaced my alternator with a 200a one today and figured why I was at it, I'd do the big 3 as well. I ended up doing 4(bat-alt, bat-block,bat-frame, block-frame.
Ok so all done, go to turn my truck on,(fired right up) and my pioneer avh won't turn on at all. It was working fine this am before and now nothing.

Truck runs and drives fine. Cig lighter and 12v port all have power. AC/fan work.
Neither the head unit fuse or GM radio fuse are blown. I held the power button on the radio.

I'm lost and don't know what to do next.

Suggestions?

04 silverado 5.3

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Last edited:
Gannon said:
You check the fuse in the back of radio?


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Yeah, both that and the factory fuse are good.
I'm wondering if something is either grounding out or not making a good ground. But other than block-body I didn't change(read add) any lines to existing spots. I'm gonna hit everything with the multimeter and voltage detector and maybe swap back in the factory radio just to see if it works


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Tylers88 said:
You have luck like mine
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Hopefully your luck goes like mine just did then. Was just pulling random fuses and went back in the cab to get something and le radio had life again... No idea why, I didn't replace any fuses or really do anything.:shrug:


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Ginger said:
was gonna be a long ride in 2 weeks with no radio lol
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Yeah it would've been, that's for sure. Hell the 5 minute drive from my parents house was annoying.(likely bc it was off not by my choosing)


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Cleanoh4 said:
Hopefully your luck goes like mine just did then. Was just pulling random fuses and went back in the cab to get something and le radio had life again... No idea why, I didn't replace any fuses or really do anything.:shrug:


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I keep looking at my broken wheel hoping it will magically not be broke anymore but it hasn't worked yet :lol:
 
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