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Re: Issue with cords for car aux jack
I don't know an aweful lot about the jacks on the phones, but I am an electrical engineer and I know a bit about sound equipment.
My guess is the issue is a short or power surge that is causing issues in the fidelity of the very thin wires in those auxiliary cords. Or is it possible that you have the cord in a position where it is becoming crimped or twisted, it is possible that it is breaking one of the very thin copper wires in the cord itself.
Some standard tests I would try is:
1. Does this happen when you use headphones attached to the phone after a week? Try plugging headphones into your phone's jack in the same sort of position that your Aux cable would be in, in the car, with the same amount of time and see what happens. This will likely eliminate the issue being the car or the phone.
2. What happens if you plug something that is not a phone into your Aux cable, like an mp3 player or even a laptop?
3. What happens if you plug headphones into the aux in on the jack, try leaving them in for about a week and then test the headphones to see if there is an issue in one of the speakers.
If you have a multimeter or an Ohmmeter, you could try testing continuity between the connection points on the Aux cable to determine if it is the issue, and where the issue is...
Hopefully this helped a bit.