That type of problem suggests an internal issue in the radio that may or may not be serviceable. Before going further, I would disconnect the neg battery cable for a few min and then reconnect it to reset the electronics. You might get lucky and have a functional radio again. Or the same problem.
Hi I’m New to this site and I’m needing some advice.
I have a 05 Cadillac CTS good 3.6 and 6 speed manual transmission. And a 07 Cadillac CTS with a blown 3.6 engine and good automatic transmission.
I’m trying to see if I can put the O5 motor a manual transmission in the 07 and what all will...