Quote:
Originally Posted by Stretch
It depends on the stereo. Some expect a constant supply and a connection via the ignition. Have a look on the back of the unit - sometimes there's a wiring diagram.
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I've already done that. I had hooked up the keyed 12V to the original radios 12V power supply, that's hot when the key is turned on. But I got no sign of life in the radio when I turned the key to position one. It has a yellow wire for 12V constant which is for the memory presets. I intend wiring that direct to the battery but not sure if it should be to the + or - terminal so have not done so yet. I assumed that I'd at least have power to the radio when the ignition is on as it's got 12V at the red cable, checked with the meter.
- Peter.
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2021 Chevrolet Spark
Formerly...
2000 GMC Sonoma
1981 240D 4spd stick. 347000 miles. Deceased Feb 14 2021
2002 Kia Rio. Worst crap on four wheels
1981 240D 4spd stick. 389000 miles.
1984 123 200
1979 116 280S
1972 Cadillac Sedan DeVille
1971 108 280S