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Old 03-31-2021, 02:02 PM   #1
Join Date: Oct 2012
Posts: 11
Default Wiring for the Factory installed Radio

does anyone have the wire routing for the Factory radio wiring? I don't have any power coming to the radio and before I start to tear into the walls, I wanted to see if anyone knows where this is connected.

I have a 1984 21L HiLo camper

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Old 04-04-2021, 11:59 PM   #2
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Join Date: Feb 2021
Location: Sunnyvale, CA, USA
Posts: 20

When it comes to electrically powered objects, remember Occam's Razor: The simplest reason is usually the answer. Don't go tearing out walls just yet....

So my '88 doesn't come with a music radio, but I assume it's in the top half? I would check your fuses first, then look at common fail points. The coil cord, the converter box, and the inside of the battery box. My trailer had a really weird setup where the top half wiring ran into a junction block in the battery box, causing a weak point.

Fixit Wrenches and Lizard (mostly Fixit)
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Old 04-05-2021, 09:49 AM   #3
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Location: Pine, AZ
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dans, you haven't said how you determined that power was not reaching the radio.

Did you check the power wires at the radio for voltage? If no voltage there, what about at their source? Did you check those wires for continuity? There is often a fuse inside the radio that can blow, or sometimes an inline fuse near the radio that can do the same.

It's rare that wiring will become defective enroute (unless you have rodents, like I did), but the endpoint connections are often faulty - you should not have to tear into anything to check those.

There's one more possibility - the radio itself is dead. You could try powering it from a car battery to see if this is the case. I had this happen once with a cracked solder joint on a circuit board.

- Jack
Hi-Lo 1707T - Tire Minder TPMS on Tow Vehicle and Trailer, 300W Solar Battery Charger, Equal-i-zer WDH
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Old 04-05-2021, 07:49 PM   #4
Join Date: Oct 2012
Posts: 11

I found a broken wire at the end of the coiled cord after I removed the plate that the coiled cord goes through at the top of the trailer. I checked for voltage at the radio with a multimeter and no voltage was there. After I repaired the broken wire the radio works correctly.
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