uwish

I have an 81 the guy I bought it from told me the power antena was un pluged from the rear of the radio now I see the coaxial wire is broken . My question is , is there a power plug into the back of the radio that operates the up and down or does the coaxial antena operate this . thanks

larryg3

There are wires that go from the radio to a relay and then to the antenna. The relay is in the storage compartment behind the passenger seat. There are three wires that go from the relay to the antenna one is white, green and grey. the wires that go to the relay from the radio are orange and yellow. The coaxial cable as you describe it is actually the antenna and its only function is to receive the radio signal. I hope this helps.

Yellow1980

The cable is only for reception (no power). Radios normally have a blue wire (switched power) that is connected to the yellow wire that runs back to the relay in the jack compartment box behind the passenger seat. If you are using a after market power antenna, this relay may need to be bypassed for proper power antenna operation.

See my articles for more information:

Installing Metra's European Style Fully Automatic AM/FM Antenna 44-PW530 in a 1980 Corvette

Kenwood KIV-BT900 Digital Media Receiver 1980 Corvette Installation