We made this swap. It was well worth the effort and money. The sound quality is much better. No hiss, crisper sound. I also replaced the ceiling speakers with Jensen 2-way speakers. That had less benefit than replacing the power unit but it did improve the sound.
None of the Concertone wires were marked. So, I started by turning on the unit and cutting 1 wire at a time to see what stopped working. Then, I knew where to connect that wire on the Jensen. One by one I went through all of the wires until I was totally connected to the Jensen.
There are 2 power wires for the Jensen, 1 always on and 1 switched. I hooked BOTH wires to the incoming power line from the trailer; since it doesn't have any switched power. Depends on whether you have a chassis with switched power or a trailer.
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2021 F350 Lariat 7.3 4X4 w 4.30s, 2018 Wildcat 29RLX
2012 BMW G650GS, Demco Premiere Slider
1969 John Deere 1020, 1940 Ford 9N, 1948 Ford 8N
Jonsered 535, Can of WD-40, Duct Tape
Red Green coffee mugs
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