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Old 08-23-2010, 01:48 PM   #1
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gordonpond's Avatar
National RV Owners Club
Forest River Owners Club
Join Date: Apr 2010
Location: New Hampshire
Posts: 11
Upgrading old radio

We have a 1998 Dolphin with the original Audiovox radio with casette player in it that's no longer working well. I'm trying to replace it with a new "Dual" HD radio with CD player and discovered quickly that the wiring harness that's in the RV doesn't match the new radio plug in (of course). I called a company that makes wiring harness adapter plugs about one to match the old with the new and they said that the RV radio system was using a "floating ground" and that the old speakers in the ceiling would have to be replaced with regular wiring (no problem) and the system rewired for a normal ground - that's the problem.

Does anyone have any experience doing this? I'm a retired senior computer scientist and understand basic electronics and could do this myself if told how.

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Old 08-23-2010, 05:58 PM   #2
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National RV Owners Club
Join Date: Jun 2009
Posts: 2,618
I replaced the bedroom radio in my 99 Tradewinds, pictures here, http://cid-ae67fff392766057.photos.l...adio%20Upgrade and the hum was awful. Also when I routed the front TV Audio through the Dash Radio I had the same problem. I used one of these in both locations and the problem was solved. A lot easier than re-wiring everything.
http://www.amazon.com/Raptor-GL15-Ground-Loop-Isolator/dp/B0009O19LQ/ref=sr_1_11?ie=UTF8&s=automotive&qid=1282607652&sr =8-11

I still have the old one and it works if you would like it just ask. http://cid-ae67fff392766057.photos.l...ovix%20AWM-524

1999 Tradewinds 7372 Cat 3126
Albuquerque, NM
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float, harness, radio, wiring

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