New stereo install

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Jzablocki15

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As the title states I started a new double din stereo install, it worked fine for a couple days until the wire nuts on the 12v yellow and ground wire fell off. I'm assuming one of them hit something and jacked it up. So I checked and replaced the bad radio fuse and now got a new stereo unit. Thing is, now only the stock radio works. I put a multimeter behind the stock harness and what I assume is the power (yellow wire) but got either all 0's or nothing above .02. Checked all the fuses underneath the hood and they all look fine. Don't know where to go from here, any advice?
 

adrianp89

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First problem was using wire nuts. Also there is no ACC power behind radio, what harness are you using?
 

VegasDragger45

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Does you harness have an inline fuse as well? Possibly a barrel fuse?
 
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Jzablocki15

Jzablocki15

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Yeah, I figured that out after finding the wire nuts inside the dash. Metra xsvi-6522-nav. No, I don't see any fuses on the harness. I tested for continuity between the ACC, 12V and ground. All have continuity. The pic is without the aftermarket harness. So just stock radio and stock harness, radio was working while the picture was taken. Tried moving it around and still got nothing. Even tried measuring A/C cause I was kinda dumbfounded.
 

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adrianp89

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You have continuity between 12v and ground? That would be a problem.


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Jzablocki15

Jzablocki15

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No my mistake. I tested for continuity with each wire individually, and they all worked.
 

adrianp89

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If you have 12v, ACC, and ground coming out of the Metra harness, then your radio should work. If it does not, check the radio fuse. If it still doesn't then you have a bad radio.
 

NOcasio7

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If you have 12v, ACC, and ground coming out of the Metra harness, then your radio should work. If it does not, check the radio fuse. If it still doesn't then you have a bad radio.

My vote goes to the radio fuse as well. I have not seen a radio without the fuse and sometimes it is hidden somewhere on the back of the radio. I'd hate to think that when the constant wire hit something it fried the radio but it is possible.
 
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Jzablocki15

Jzablocki15

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That's the thing. I checked the fuse box and the radio fuse was fine. The one on the aftermarket stereo is fine as well. This is the second radio since I got rid of the shorted radio. The thing was, I put the stock radio back in and it worked, but putting a multimeter behind the stock harness I was getting no voltage, with the stock radio on. And even though the stock radio works the aftermarket doesn't, even tho the ground, and both 12v's have continuity. I'm wondering why the stock harness in the stock radio isn't showing any voltage but works. I think that's why the metra harness isn't getting voltage.
 

adrianp89

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There is no 12v ACC - if thats what you are looking for.

If the factory radio works then you have one of three issues:

1. Aftermarket Radio is bad (twist red and yellow together and hook up power to battery to see if it turns on)
2. Harness is bad (you said the harness outputs 12v constant (yellow), 12v acc (red), and ground to the radio, if this is true then harness is not bad).
3. Install is bad.
 
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