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Old 07-12-2016, 05:05 PM   #1
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Brand: Thor Motor Coach
Model: ACE 30.1
State: South Dakota
Posts: 10
THOR #4792
Thumbs down Tail Lights and Clearance Lights Not Working

Yesterday the tail lights and clearance lights on our ACE 30.1 wouldn't work.

The running lights, headlights, turn signals and brake lights all still work.

Everything was working when we parked a couple days before that.

Is there a fuse for just those lights? I have found the Power Distribution box in the engine compartment and the fuse box inside (by the driver's left knee). Boy, aren't those a couple of fun locations to get to (especially for us old folks)!

The descriptions I can find for the fuses are not very helpful for me. Maybe I just don't know the terminology.

Any suggestions?

Thanks!
Bob

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Old 07-12-2016, 05:50 PM   #2
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Check both for water. The taillights have a really bad gasket around them that doesn't last long before letting water in.
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Old 07-12-2016, 05:55 PM   #3
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Interesting. We had rain and strong winds at the last campground. I am going to go check right now.

Thanks.
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Old 07-12-2016, 06:21 PM   #4
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Pulled both tail light lenses and they are both dry inside.

HOWEVER, I turned the lights on and they all work. :face palm:

Guess I'll just keep an eye on it for now.

Thanks again.
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Old 08-08-2016, 05:17 AM   #5
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In the Vegas - Slot 22

We just changed the blown fuse in location 22 (15A) all the lights outside, functioned again. That fuse also seems to control the fog lights on the Vegas...
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Old 08-08-2016, 01:58 PM   #6
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Thanks for the reply. I will recheck the fuses when we tie up for a few days.

Just curious though, did your turn signals and brake lights work OK while the other outside lights did not?

Oh yeah, was that in the fuse block in the engine compartment or the cabin under the dash?
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Old 08-08-2016, 01:59 PM   #7
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Quote:
Originally Posted by badlands bob View Post
Pulled both tail light lenses and they are both dry inside.

HOWEVER, I turned the lights on and they all work. :face palm:

Guess I'll just keep an eye on it for now.

Thanks again.
Awhile back I noticed a couple or three of my running lights not working (one at the top back and a couple on the side I think). I just moved the bulbs a bit and they all worked. I'm guessing they aren't a tight fit and become loose overtime. Reminds me that i need to check mine before the 4 day weekend trip we have planned coming up.
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Old 08-08-2016, 06:31 PM   #8
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Turn signals, brake lights and headlights worked, fog lights did not...
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Old 10-22-2016, 05:12 PM   #9
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I am having the same issues. My running lights in the back don't work and the dash lights are out as well. We did find this out until wee 600 miles from home. I had to use the light on my phone to see how fast i was going and we turned the light on in the bedroom just so we had some sort of light in the back. The brake and turn signals all worked. I found the power distribution box in the engine compartment but they aren't labeled. I didn't find one in the cab so i will go back and look again. I am also interested to see if the location 22 was in the engine compartment or cab.
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Old 11-05-2016, 09:19 PM   #10
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Talking

Thanks for all replies.

My problem turned out to be a loose plug under the dashboard.

ps. location 22 is the right one for tail lights (on the ACE 30.1).
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Old 04-03-2018, 10:19 PM   #11
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Smile Rear Tail and Clearance Lights Out

I took my 2017 Venetian to CW for repair of non working rear tail lights. Brake and turn signal lights worked OK. Problem was cable near rear engine was not connected. Must have come off during travel as mh had state safety inspection sticker before I bought it new last year.
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Old 11-03-2020, 03:44 PM   #12
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I am trying to find Location 22 fuse (15A) for my clearance lights as they are not working. Where is this fuse located (under hood or under dash)? Thanks
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Old 07-09-2021, 06:56 AM   #13
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Me too

I'm having the same issue... headlights, brakes, and turn signals are functional, but the rear lights, clearance lights and dash lights do not. Fuse 20 is good, the plug behind the switch is seated properly, nothing loose under the steering column. What's the next to check?
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Old 11-15-2021, 10:55 AM   #14
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Quote:
Originally Posted by TaraJayne View Post
I'm having the same issue... headlights, brakes, and turn signals are functional, but the rear lights, clearance lights and dash lights do not. Fuse 20 is good, the plug behind the switch is seated properly, nothing loose under the steering column. What's the next to check?
Can anyone simply direct me to the "exact" location of the fuse, responsible for the (DASHBOARD /TAIL & MARKER LIGHTS) ON THE THOR 27K SUNSPORT?
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Old 12-13-2021, 11:35 PM   #15
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Backup Camera lights out.

Do the 3 lights in the THOR rear view camera work separately. I only have the center and RHS. The LHS is out,. Do you have to replace the entire strip or is each LED light individually replaceable.

TIA.

Tom
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Old 12-14-2021, 12:01 AM   #16
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Originally Posted by txc2936@yahoo.com View Post
Backup Camera lights out.

Do the 3 lights in the THOR rear view camera work separately. I only have the center and RHS. The LHS is out,. Do you have to replace the entire strip or is each LED light individually replaceable.

TIA.

Tom
Are you talking about lights? Or a camera?

What Year/make/model rv?
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Old 12-14-2021, 06:49 PM   #17
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THOR #22342
Tail Light INOP THOR ACE

Its the LHS light on the top strip, this includes the rear view camera lens. I have attached a picture. This is a 2021 THOR ACE 30.4. Picture included.

Question: Is this replaced as a unit or can the individual lights be replaced?
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Old 12-15-2021, 01:30 PM   #18
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It turns out that my problem was located in the main distribution box under the hood. It was a bad connection between the fuse and the fuse holder. At the calling Ford truck division, I was told to look for the fuse in the distribution box and the number 10 fuse. After removing it cleaning a contact cleaner, it worked as advertised!
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Old 12-15-2021, 02:45 PM   #19
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Quote:
Originally Posted by txc2936@yahoo.com View Post
Its the LHS light on the top strip, this includes the rear view camera lens. I have attached a picture. This is a 2021 THOR ACE 30.4. Picture included.

Question: Is this replaced as a unit or can the individual lights be replaced?
Now I gotcha - you're talking about clearance lights, not backup lights. Pictures are so great at clarifying.

This looks very similar to this product:
https://www.rearviewsafety.com/safet...ra-rvs-cl.html

which looks like there is no provision for replacing the LEDs, only the whole assembly.
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Old 12-15-2021, 10:01 PM   #20
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THOR #22342
Tail Light INOP THOR ACE

I just got off the THOR Service Center. The back up light and its 3 LED lights are not replaceable. The entire unit needs to be replaced.
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