YES! Sorry, I have been so busy I forgot to post results. I installed near Moses Lake, WA and have made three trips since.
The first: Moses Lake to Whidbey Island, I found that when I plugged into the RG58 setup there was no change to my truck’s rear view mirror (not that I could tell immediately that is). I went in and manually selected the trailer view and there it was. I don’t recall any issues along the route.
Second: Whidbey to Chehalis, WA. I believe I had to do the same, manually select trailer cameras, but no hiccups. It was amazing to transit through Seattle/Tacoma seeing what was going on behind me (same as up to Whidbey). Helped get through the two hour traffic jam that I-5 has become.
Third: Chehalis to Neskowin, OR. Once again, manual select of the trailer view, but on this trip I recalled ONE hiccup. The screen went black for a second, but trailer view returned instantly.
My adventures with the RG174 cable has been this… Cool mornings, the truck sees the trailer camera, but as things get warmed up I started seeing these hiccups (signal outage) eventually I would start seeing “Digital Rearview Mirror unavailable” and all I would see is a black screen with a flip-down icon. Eventually this would give way to the truck camera taking, over showing the nose of my 5er. Now, sometimes I was able to go in a press some buttons and get it back, but eventually it was a lost cause. The ONLY times it had sustained operation was during rain (cool, damp conditions increase impedance).
Since switching to the RG58 cables I found this out… the TNC connection (truck side of MOPAR’s cable) did NOT accept an extension. I’m not sure why, but the computer driving the rear view system did not like the signal it was getting. It would try, as if it recognized there was something attached, but I wouldn’t get the glimpse of a picture from the trailer at all. Bring us to the FAKRA Z end… the cable I have (shown above) works almost perfectly. As stated, I have been manually selecting the feed, but other than the one hiccup I can remember, the setup is sound. This could be due to the 25’ extension. All I needed was 15’, but the lengths available on Amazon were 6’, 10’, and 25’. I wanted to use as few connections as possible, if 25’ worked good, if not I’d try 10’ and 6’. So far, over 700 miles, it’s held up to what I would call acceptable.
Friendly advice: Whether or not you relocate your truck connection from the bumper to the bed, do the work and route your cable through your pinbox. I originally went under the trailer, and on a tight turn (didn’t even make it 100yds) the cable jerked out and destroyed the bumper jack. I lucked out and a Ram service kid hooked me up with a replacement. Knowing what I know now (with correct cables), I would’ve routed the cable with my trailer 360° setup, along the roof and down through my bathroom cabinets into my storage near the front of the trailer. So much easier and not as much length required.
Hope this helps!
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