So I tried to install the Soundstream VM-21B, got the iRV 32 radio out of the wall housing thing, noticed the wiring harnesses and connectors and, basically, the entire back of both radios look absolutely identical, with identical connectors, wire colors and positions, so I just plugged the Soundstream into the iRV radio connectors, and the Mr. Ho antenna booster thing that the dealer apparently had installed trying to fix my iRV reception issue, but the unit won't even power up or come on at all. I plug the iRV back in and it powers up again OK.
The existing wire harnesses are connected to wires in the trailer that don't match in color at all, so I'm baffled as to how to figure out whether they're connected correctly at all, or if I somehow need to connect things differently for the Soundstream unit.
Also, the blue "antenna" wire is not connected to anything, and I saw on a YouTube video about installing another brand of radio that that is Ok when you have the antenna working through the signal booster thing (if I understood that correctly), so I'm presuming that's not the problem since the iRV radio at least gets some limited FM station reception.
But, the black "ground" wire from the radio's power connector plug is also not connected to anything, SO, could that be part of the problem? It would be strange for that unconnected ground wire to prevent the Soundstream unit from powering up when it doesn't prevent the iRV unit from powering up. Any ideas on what I could/should try next?
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