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Old 06-09-2021, 10:34 PM   #1
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Coax Cable Question...

I bought a used Rockwood 2502KS trailer. It has a purple coax cable and a black coax cable behind the TV. Why? Is one for antenna and the other for cable/satellite? If so, which is which?


Over the air channel search results are pretty much the same whichever cable I attach to the TV....


Also, some OTA channels produce sound but no picture in the trailer even though I get those same channels on my house TV with no problems... I even hooked up my house OTA antenna to the trailer TV and got the same results, 20 feet apart... Bad TV?
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Old 06-10-2021, 07:39 AM   #2
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Quote:
Originally Posted by sgtstriker View Post
I bought a used Rockwood 2502KS trailer. It has a purple coax cable and a black coax cable behind the TV. Why? Is one for antenna and the other for cable/satellite? If so, which is which?


Over the air channel search results are pretty much the same whichever cable I attach to the TV....


Also, some OTA channels produce sound but no picture in the trailer even though I get those same channels on my house TV with no problems... I even hooked up my house OTA antenna to the trailer TV and got the same results, 20 feet apart... Bad TV?
Would it be possible to take photos of the back of tv and the wall connector? It would help us try to solve this for you.
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Old 06-10-2021, 07:48 AM   #3
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Would it be possible to take photos of the back of tv and the wall connector? It would help us try to solve this for you.
I just looked up your model. It is wired for tv and for satellite. I think the black is for tv. On the wall connecter there should be a small button. It should select between ota or cable tv. Look for it and try it both ways. Also may need to do a channel search if not done yet. Hope this helps.
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Old 06-10-2021, 09:34 PM   #4
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I did try it with each of the two cables, and with the antenna booster on and off. Same results with either coax cable.


I guess I'll have to do a continuity test with the exterior cable connectors and see which of the interior cables has continuity with the exterior cable and/or satellite jacks....


Never a dull moment with any type/size recreational vehicle.


Thank you for responding....
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Old 06-10-2021, 11:03 PM   #5
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UPDATE: I searched numerous other rv blogs and found a guy with the same trailer, and the same question. Following the various entries the result was that he determined the answer.


Referring to the purple coax cable;



"Figured it out. It goes to the outside to supply antenna connection if you move a tv outside, so all you do is hook the violet colored coax to the antenna connection on the booster panel once you remove the inside tv coax from it."


So apparently, if I move my tv to the outside mount I have to switch the black coax on the inside antenna mount to the purple coax. Sounds reasonable. I'll verify this tomorrow. If accurate, I now know how to connect the various coax cables to the new junction I bought that includes a 12 volt connector for the new 12 volt tv that will be delivered tomorrow...


Things are looking up! Thank goodness for the various rv blogs that usually address any of the weird questions we rv owners come up with...
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Old 06-11-2021, 12:45 PM   #6
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Glad it worked out for you. Be safe on the road.
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Old 06-11-2021, 10:57 PM   #7
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Thanks to all of you for your responses. The confusion was actually caused by the prior owner installing a splitter behind the wall and running an extra coax cable into the trailer. Today I installed a 12 volt power source, rearranged the coax, and installed a 12 volt/110 volt tv with dvd player. All is working well and I am again a happy camper......


Cheers! And happy travels to all...!
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