Need help with boat stereo please.

Donzi702

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Jun 21, 2013
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I have an 01 Donzi 26ZX. It came with a Sony radio already wired in it. One day it suddenly quit working, it acts like it gets no power. I pulled the stereo and had a dealer plug it in to a wire harness at their shop and it came right on with no problems so I know the head unit itself is good. I checked the plug with a test light and it showed power coming into the red wire so I figured I must have a prong in the plug itself that is not making a good connection. A friend had an extra plug that fit the stereo, only it had less wires, so I plugged it in and just spliced the wires and it worked fine for a while, but then the music started skipping (I was listening to an ipod through the stereo) and I noticed that the head unit seemed really hot. I shut it down and undid all the wires and bought a wiring harness that matched the original, wired it up just like it originally was, plugged it up and I still get no power. I have some experience with car stereos but am a professional by no means.

Originally coming out of the boat I have a small RED and YELLOW wire that were wired together and connected to the RED wire on the plug. I also have a larger YELLOW wire from the boat that was connected directly to the YELLOW wire coming out of the plug. It was like that when I bought it and worked fine for the entire first season and has now suddenly quit.

When I hooked up my friends plug I only clipped the wires from the original plug. So when we wired his in we connected the RED and YELLOW wire together from the plug and connected them to the RED wire that was still connected to the small RED and YELLOW wire from the boat but it overheated and skipped.

I wired the new plug just like it was when I bought it. RED from plug to RED and small YELLOW from boat. YELLOW from plug to large YELLOW from boat, black to black and so forth, but it still acts like it has no power.

I am getting power to the RED and Small YELLOW from the boat but that is it. I was wondering if I should hook RED from plug directly to RED from boat and YELLOW from plug directly to small YELLOW from boat? But if I do that, then what do I do with the BIG YELLOW from the boat.

I apologize for the length of this post and hope it is not too confusing, but any help or info would be greatly appreciated!
 
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