What does yellow wire mean on car stereo?
On the adapter that came with the unit, yellow wire comes with a ‘thing’ on it, like a bulb with the wire in the middle, don’t know what it does. In the unit instructions/manual it says this wire is “Memory”, whatever that means (probably always-on wire)
What should I do if my Radio is not powered on?
If the line is not fused already, or there is no fuse in the panel I would suggest getting a cheap inline fuse-holder to splice into the wire. Always fuse hot connections as close as possible to the battery or other DC source.
How to troubleshoot a car stereo that will not power?
Take a close look and make sure no wires are loose entering the harness. Make sure the harnesses are plugged into the car stereo. Trace back wiring from the car stereo’s control head power harness to the fuse block and verify that the wiring is all intact. If you encounter a fuse along the red wire, replace it.
Where is the constant power on a stereo?
There are many things you can look at to arrive to this conclusion; 1. The fuse on the stereo itself (normally 10a and located on the back of the radio) is for the constant source. If this 10amp fuse blows all memory settings are lost, proving that the main fuse on the unit comes from constant power.
What happens if you disconnect the yellow wire from the stereo?
If you disconnect the yellow, the stereo will still work it just won’t store presets, time etc. Disconnect the red (leaving yellow connected) and the stereo will not turn on. ‘Scorpio65 writes… Most (if not all) will use the power from the red wire.
What does yellow wire do when car is off?
Yellow wire – it is labeled “Battery” (on the car side), voltage is 12 when car is on, 0 when car is off. On the adapter that came with the unit, yellow wire comes with a ‘thing’ on it, like a bulb with the wire in the middle, don’t know what it does.
If the line is not fused already, or there is no fuse in the panel I would suggest getting a cheap inline fuse-holder to splice into the wire. Always fuse hot connections as close as possible to the battery or other DC source.
There are many things you can look at to arrive to this conclusion; 1. The fuse on the stereo itself (normally 10a and located on the back of the radio) is for the constant source. If this 10amp fuse blows all memory settings are lost, proving that the main fuse on the unit comes from constant power.