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Discussion Starter · #1 ·
Couple of questions, for all of you out there who know their stereos. :)

1. I'm currently just using the stock h/u, which is a Jensen MP7610. It has an AUX input, RCA female, to which I've connected a male-RCA-to-1/8"-stereo-jack cable.

My iPod car charger has a line-out jack in the dock connector (at the bottom), and that's where I plug the headphone jack from my AUX. Sounds good. If I plug the car charger into one of the power points, though, I get a whine. Other forums I've checked indicate that this is ground loop interference, for which I need a ground loop isolator.

Question -- is there a way to get rid of the whine without a ground loop isolator? I've seen references to grounding the 12V power point, but I'm not sure to what. FYI, I plug the charger in the power point behind the center console, the one facing the back seat.

2. I have an old Eclipse E5509CDC 8-disc CD-changer and was wondering if it's compatible with the Jensen MP7610. I know the MP7610 has a separate input for a CD changer, but I don't know how to find out which CD changers it's compatible with. Does anybody know?

Thanks in advance for any info. :thumbsup:
 

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Discussion Starter · #3 ·
muchos gracias

Devin --

Thanks much, my man -- that was very helpful. Sounds like the ground loop isolator might be the easier way to go, so I'll start looking around for one. Any suggestions on what to look for, or is a standard Radio Shack isolator good enough to do the trick?

On the first, more involved method: are there any "side effects" to grounding the head unit and the charger in the same place?

It's also possible that it is the induction thing you mentioned, as I do run the h/u-jack cable right next to the charger cable, so it's cleaner. Not sure though if the whine goes up when I rev -- I'll give it a listen later. If so, can I fix this by changing the wire that goes from the h/u to the jack with a better quality cable, say, a shielded cable? Or is there a way I can shield the current cable, I have, maybe wrap it in something?

Again, thanks a heap. :)
 
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