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If your radio is not powering on, the easiest way to determine whether it is an issue with the radio or the vehicle is to bench test the radio. This isolates
the radio from the fuse box and any other vehicle wiring connections. For the most part, this is a fail-safe way to determine, "Is the problem with the wiring, or a problem with the radio?"
What do you need?
A 12-volt power source (Usually your car's battery)
The radio out of the vehicle
The power harness pigtail that was including with the radio
Your Custom Autosound radio
Alligator clamps are helpful, but not required
It is usually helpful to have a second person. If you don't have alligator clamps.
One to hold the wires to the battery terminals.
The other person presses the left volume shaft in to turn the radio on.
Steps to Bench Test Your Radio
Hold/Connect the yellow B+ wire to the positive terminal on the battery
Hold/Connect the red ACC wire to the positive terminal on the battery
Hold/Connect the black ground wire to the negative terminal on the battery
Press the left volume shaft to turn the radio on
Please Note: The three wires will have to all be touching the correct battery terminals at the same time. If one wire loses connection, the radio will not turn on.
If the radio turns on. The radio works.
If the radio does not turn on, double check your connections to your battery
If the radio still doesn't turn on, please check the fuses.
If the radio still doesn't turn on, please call us at 760-477-8525.
Need more info? We'd be happy to help.
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Feel free to contact us by email at support@classiccarstereos.com or use the contact form below and we'll get back to you as soon as we can.
Between 8am - 5pm PST, you can reach us toll-free at 888-789-7297 or our local number 760-477-8525