A CB radio power supply can produce around 12-13 volts, which is required for a car head unit to power on. This means that you can hook up your car head unit in your house, using a CB radio power supply, without blowing it up. I have connected many car head units to various CB radio power supplies in the past, when i used car audio in my own home. You will require a power supply that is a minimum of 7 amps or more, in order to power on your car head unit.
Instructions
1)First power off the power supply and unplug it from the electrical outlet.
2)On the wiring hardness, you will need to locate the memory wire, which is a yellow colour, a positive, which is a red colour and a ground wire, which is a black colour wire. If the wires on the wiring hardness are not colored, then look online for a wiring diagram for your specific car head unit.
3)Use wire strippers to remove the braid from all three wires, if they don't have any braid.
4)Once you have done that, connect the red colour positive wire together with the yellow colour memory wire and connect them into the positive screw terminal on your CB radio power pack.
5)Then connect the black colour ground wire into the negative screw terminal on your CB radio power pack.
6)The car head unit will power on, now all you need to connect are your speakers.
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