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Could The Multiplexer Box On My RVS-770619N Have Gone Bad  

Updated 10/21/2025 | Published 10/18/2025

Question:

We have a RVS-770619N system in our motorhome. 3 cameras. We cannot get it to come on, even with the remote. Since it is all three cameras, could it be the multoplexer that has gone bad?

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Expert Reply:

Hello Nancy, thanks for reaching out. It certainly could be the multiplexer. Basically, if there is power going into the multiplexer but not coming out then yes it would be damaged and in need of replacement. You can easily test this with a multimeter.

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Jesse M
Nancy S. profile picture

Nancy S.

10/21/2025

How do I check it?

Jesse M. profile picture
Etrailer Expert

Jesse M.

10/21/2025

@NancyS You would just check for voltage on the input and output wires. You may want to check fuses as well.

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