Question:
I have a problem, ever time i restart the car (a 98' corsa) i lose my presets and the clock goes back to default, i know i need a live power to it all the time but i dont know which wires which, everything works fine, just when the car is started i have to tune in everything again. anyone help?? the radio is a sony by the way
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Answers:
I had the same problem on a Vauxhall Carlton about 10 years ago, that was with a Sony unit too.
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Although Vauxhalls are now fitted with ISO connectors, the permanent live and switched live (through the ignition switch) are swapped over.
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If you have a bit of spare time and a small screw driver, you can release the two wires from the ISO connector and re-orientate them (ie swap them over). This will save you hacking the wiring about.
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after or when you have tuned in your radio make sure you are pressing the memory button to store your stations. or your stereo might be the one were you have to hold down the button 1 2 3 or so on to store it in that place.Is there already an amplifier bypass inside the 2001 hyundai XG300 when you buy it?
OR if it isn't a live power at all times you need to run a RED wire straight from the battery + or use the one from the ciggy lighter.
RED = live power +
Vauxhalls have a standard ISO connector but the ignition and permanent live are the opposite way around to Japanese radios.
The Sony wiring loom will have a red wire for ignition feed and a yellow wire for permanent. These will have a bullet type connector in so you can swap them over. Do this and it should be ok.
It would be best to go to a sound shop and get a factory wiring harness but it sounds like your almost there with what you have! It sounds like a bad ground. If the ground doesn't have a good connection, it is the same as unhooking the battery every time! But it could be the memory cable is not hooked up, on almost all car stereos the orange wire is the memory!!! Locate it and run it to a fuse like the 4way flashers. They have power all the time.
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