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Old 05-08-2009, 09:29 PM   #1
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Location: 9 Mile Falls, WA
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What the heck is this thing for?

New owner, older Class A (95 Bounder 32'). Previous owner had passed, bought from son who had no clue how things work.

In the cabinet above the driver seat that has all the TV gear (power, DVD/VCR, cable plugs, etc), there is a bundle of primary (heavy guage) wires connected to a relay. The wires come out of a hole (factory with grommet) in the side wall. What caught my attention was one of the hot (red) wires was disconnected from the relay. When I plugged it back on, there was a distinct 'clicking' sound from behind one of the switch plates.

What is this thing?

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Old 05-09-2009, 02:15 AM   #2
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The front TV must not be active if the driver can see it when in travel. The relay is probably to disconnect power to the TV. Try the TV both ways to be sure.

Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
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Old 05-09-2009, 08:30 AM   #3
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One handy trick I have used many times is I take my digital camera, and take close up pictures of these items. Often there is some numbers on the part.

A Google search for the part after looking at it closely from various picture angles will usually reveal the number, and what it is that you are looking at.

I found my slide overload relays this way, and took pictures behind the TV at wiring looking for the antenna amplifier as well.

I also identified the bi-directional charging relay and learned how it operates, and how I can charge the chassis battery by running the generator.
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Old 05-09-2009, 10:19 AM   #4
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I too suspect it's the TV interlock line.... As Wizard said, the TV is supposed to be OFF when the engine is ON, my rig is wired that way... Many people cut the wire in order to allow the TV to be on.

Some of 'em get caught and pay big fines (I know this for a 3rd party fact.. I did not pay the fine, I gave the cop the section of law so he could write it on the ticket, Much nicer that way... Yes, that was (part of) My job)

NOTE: If that is what it is, I would leave it connected, and if you truly wish to have the TV on with the engine off.. Just plug it in elsewhere
Home is where I park it!
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Old 05-09-2009, 10:42 AM   #5
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Makes sense. That is what it is. Thanks for all the responses (and fast!).

It was disconnected when I got the rig. Will make a great connection (30A) for the inverter (400w) I have hooked to it temporarily (runs the VCR/DVD and now, the TV).

I can only see the TV when the cruise is set and I'm either getting up to get another beer or taking a leak.

Mush abliged!
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