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Old 08-08-2021, 02:52 PM   #1
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Brand: Thor Motor Coach
State: Florida
Posts: 56
THOR #24089
Important safety notice -

Check your TS-30 or similar automatic transfer switch wiring connectors!

While installing a 2nd TS-30 between the current one and electrical panel so I can run the fridge and outlets on an inverter, I noticed that Thor uses twist-on caps for their electrical connections, which is a no-no IMHO.

Why, because RV manufactures often join dissimilar wiring, which is what they did with mine, so crimp-on and/or soldered connectors are required.

Sure enough, one of the 3 neutral wires EASILY fell out of its twist-on cap when I was verifying tightness on the caps Thor used. It VERY tricky to ensure a tight, vibration-proof connecting household type hard wiring to 12-volt soft wiring, which is why I use heat shrink solder connections on all of my mobile projects...

I also noticed a bunch of wood-structural issues, but these things are pieces of crap, so it is what it is.

Again, this could have caused a fire. Check everything in these things. I already advised you guys weeks ago about Thor stapling through my bathroom wall and into my PEX tubing.

For a FULL list of necessary repairs and mods also view posts from NewAxisOwner (for some reason they blocked my main account from posting, so I had to open this new one).

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Old 08-08-2021, 03:54 PM   #2
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 7,495
THOR #7035
Quote:
Originally Posted by Axis25.2 View Post
Check your TS-30 or similar automatic transfer switch wiring connectors!

While installing a 2nd TS-30 between the current one and electrical panel so I can run the fridge and outlets on an inverter, I noticed that Thor uses twist-on caps for their electrical connections, which is a no-no IMHO.

Why, because RV manufactures often join dissimilar wiring, which is what they did with mine, so crimp-on and/or soldered connectors are required.

Sure enough, one of the 3 neutral wires EASILY fell out of its twist-on cap when I was verifying tightness on the caps Thor used. It VERY tricky to ensure a tight, vibration-proof connecting household type hard wiring to 12-volt soft wiring, which is why I use heat shrink solder connections on all of my mobile projects...

I also noticed a bunch of wood-structural issues, but these things are pieces of crap, so it is what it is.

Again, this could have caused a fire. Check everything in these things. I already advised you guys weeks ago about Thor stapling through my bathroom wall and into my PEX tubing.

For a FULL list of necessary repairs and mods also view posts from NewAxisOwner (for some reason they blocked my main account from posting, so I had to open this new one).
This is a known Thor issue. Some have found this problem when they smelled burning plastic and found melted twist-on connectors. Always the first place to check with 120 VAC supply issues.
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Old 08-10-2021, 03:14 AM   #3
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Brand: Thor Motor Coach
State: Florida
Posts: 56
THOR #24089
Yet ANOTHER well-known (not to me) problem that Thor should recall...
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Old 08-11-2021, 10:16 PM   #4
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Brand: Thor Motor Coach
Model: Four Winds
State: California
Posts: 142
THOR #24260
Thanks, will keep an eye out
Terry
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