I purchased the HA5245H-G13a-CP-HD-4 with the JBL harness CB005-1 and while th unit powers on I have no sound coming out of the speakers other than slight hum.
The antenna is directly connected to the unit bypassing the harness as it had two antennas one likely XM. I can get the radio to tun and pick up the Radio Data System (RDS) data for local stations so I think that's working.
I cannot get sound from car play or th radio to the speakers. I have the AUX-IN RCA jacks connected between the radio and harness. There are some additional RCA jacks labeled with FR-L, FR-R, subwoofer, etc. that are attached to the back of the head unit but not connected to anything as I don't have any RCA jacks coming out of the wiring harness.
What am I missing and how should I troubleshoot this?
Thanks,
-Juan




