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Old 11-03-2018, 05:43 PM   #1
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TV Antenna Coax Replacement

I have to do a little more testing but it appears my coax from the antenna to to the amp located over the driver is bad. Maybe it was damaged during the roof installation but it has worked until now - 10 mos after the install. Has anyone had to replace the coax? Just wondering how you did it and what tips could be shared. Wonder if I could fasten the old cable to a new one and pull it through? Otherwise I donít have a clue.
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Old 11-03-2018, 06:08 PM   #2
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You can check the cable....you need what's called a termination cap, {bubble pak at HD or Lowes)......screw one onto one end of cable, then take ohm meter to the other end of cable.....place one meter lead on center wire and the other to the outside of that connector.....get a reading? cable ok......then might try to see if connectors are stuck to cable or loose
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Old 11-03-2018, 06:21 PM   #3
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Thanks but Iíve pretty much condemned the cable. I ran another one in through the window for testing purposes and all was good. I redid the end on the roof at the antenna but still no joy. My concern now is about replacement.
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Old 11-03-2018, 06:22 PM   #4
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Most likely one end terminal, or the other, or both are bad. Check cable as Bob Caldwell has advised. I have soldered wires to a 9 volt battery and a cable connection. Then I use a multimeter to check for a 9 volt signal.
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Old 11-03-2018, 07:38 PM   #5
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I think your idea of connecting the end of a good one to the end of the bad one should work. You might want to buy some lube for electrical cables. This should make it easier to pull thru. As for testing the cable (and I know you have figured out the cable is bad) you could have a shorted center conductor to the outer shield. Just shorting one end of the cable and using a multimeter would not necessarily prove anything. If that is how your existing cable became damage pulling a new one might present a problem. In other words when the factory installed the cable they might routed it near a sharp corner and pinched the cable and with the MH moving it crushed the cable or cut it. It could be a badly placed staple that did the same thing. Anyway all this might cause s problem pulling a new cable. If that's a problem can you find another way to route it even if you have to add additional length of wire. Let us know how you make out. Good luck with your project.
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Old 11-03-2018, 07:46 PM   #6
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BS....if cable is shorted, readings would tell you that....
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Old 11-03-2018, 07:49 PM   #7
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And good luck not pulling the connectors off each cable.....one would be better off to tape cables side by side....
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Old 11-03-2018, 08:41 PM   #8
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For sure add a chase string to the old cable with e tape, so that if you pull off a connector at least the string will keep coming and you'll get a second chance. Someone pushing while you pull might be wise as well.
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Old 11-03-2018, 09:10 PM   #9
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Replaced the cable on my Aerbus by connecting the new cable to the old, taping the joint and lubing the outside of the tape with silicone. I did remove an upper side panel ( passenger side in my RV) and had the DW gently pull the cable as I fed the other end from the roof. Once the cable connection was through the roof, it went pretty easily. By removing the side panel, we weren't trying to pull at an extreme angle.

Hope the info helps!
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