Dome Light Upgrade 2021 320s

Maxcamp · April 2022

The 5" dome lights in bathroom and cabin are astonishingly bright.... great for reading but too much for a nighttime jaunt to the head.

After purchasing and rejecting an oversized LED dimmer I discovered this easy swap ($25) out from the original manufacturer.
Hold on button to dim up or down. Remembers dimmer setting for next use.
Light, escutcheon, and screw holes match up identically. Couldn't be simpler to swap out.

Brand: Dream Lighting
existing model: 0016936C
new model with integral dimmer: 00169387W

Dream Lighting 12Volt LED Panel Light with Switch - 5" White Shell Ceiling Downlight - Warm White Panel Downlight for Kitchen, Roof, Cabinet and Cabin

https://www.amazon.com/Dream-Lighting-12Volt-Panel-Switch/dp/B00ODVEWPG/?th=1

select: Color: 5inch, Dimmer Switch, Warm White Light

There is little slack in the Nucamp wires. Pull the fuse, cut the crimp splices near the middle and pare back to conserve wire length.

Crimp on INSULATED spade terminals to trailer side and to new light. Coil up slack inside the cutout in the 1/8" hardboard liner.

Very gently hand tighten the #2 square drive screws into the hardboard.

Nucamp did not vapor seal the bath light, permitting shower vapor to penetrate the headliner.

I added a thin bead of silicone caulk around the light in the bathroom and set the escutcheon plate. Or you could use Tyvek tape.

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mfgr. info:

Manufacturer ‎Jerrylight Pty Ltd

Brand ‎Dream lighting

Item Weight ‎3.88 ounces

Product Dimensions ‎5 x 0.8 x 5 inches

Country of Origin ‎China

Is Discontinued By Manufacturer ‎No

Manufacturer Part Number ‎0016937W-milky lens

Bulb Type ‎LED

Special Features ‎Low power consumption to save energy, Shock and vibration resistant, Dimmable, 12volt DC for vehicles

Mirror Lighting Type ‎LED

Amperage ‎0.3 Amps

Voltage ‎12 Volts

Wattage ‎4.7 watts

SLJ · April 2022

Both mine are on a switch so they don't draw power from the battery when off. The originals in our 2021 T@B are always on. I wonder if these hold their memory when to power is cut?

Maxcamp · April 2022

Checked, yes they retain dimmer setting when pull fuse and reset it.
They also do not have the tiny led blue idiot lights that demarc the switch, so likely do not have the parasitic draw you measured on original light model.

SLJ · April 2022

Maxcamp8 said:

Checked, yes they retain dimmer setting when pull fuse and reset it.
They also do not have the tiny led blue idiot lights that demarc the switch, so likely do not have the parasitic draw you measured on original light model.

That's great. Much better. Just ordered a pair. I'll check to see if they draw any current when they're off before I install them.
Should arrive tomorrow.

SLJ · April 2022

So just got mine and I can also confirm they hold their dim setting even if power is cut. Better yet is they do not draw any current when off so there will be no constant drain on the battery like the overheads installed at the factory.

Good news for me as it will free up a switch on the panel I installed to cut power to everything that was a parasitic draw on the battery. I will use that switch I was using for the overheads to turn the blue tooth transmitter for a wireless speaker on and off I'm installing on the Jensen.

Slackers · April 2022

Thanks SLJ for this find and info.

elbolillo · April 2022

So grateful for this thread. I ordered the dimmable lights and installed them yesterday in our 320S. What a huge improvement. Being able to have the light in the bathroom not be so bright, especially for those nighttime bathroom breaks is going to be a huge improvement.

Maxcamp · June 2022

Update, found the readings I jotted down initially.

Image: https://us.v-cdn.net/5021717/uploads/editor/0o/4nt3noj8v2mu.jpg

elbereth · June 2022

I purchased these as well - but I can’t figure out how to take out the old ones. I’ve tried twisting to the left and gently trying to pry the outer ring down, but neither have budged it. Before I actually break anything I thought I’d ask here! I have a 2018, this is what my bathroom light looks like.

Maxcamp · June 2022

The outer metal bezel snaps on, play with your new fixture first so you understand it.
Use a plastic autobody prybar or wrap a butter knife with tape and gently pry around the outer edge in a few spots, starting in a less visible location on the headliner. You need a square drive bit for the base screws in the fixture beneath.

SLJ · June 2022

elbereth said:

I purchased these as well - but I can’t figure out how to take out the old ones.

They just pop off. If you got the same replacements I did the rings are interchangeable so if you crack one it's no biggie. Stick your fingernails under one side edge and put your thumb on the lens and pull.

BrianZ · October 2022

Thanks, @Maxcamp8, works great!
The button works very reliably, unlike our old one, and the dimmer function is a welcome relief too.
I cut off the old unit, leaving a couple inches of wire to use, then added some heat shrink tubing over the old connections..

Then I added 2 pairs of spade connectors to connect the new wires (shown above before heat shrink tubing was slid up over them). As previously mentioned, the screw holes all lined up with the originals.
Thanks again.

DenverJaguar · August 2025

I'm excited to do this! I never use these lights because of how bright they are.

ReenieG · August 2025

You gave me an idea on my bathroom light. Rather than replacing it and rewiring, I put this 3M yellow taillight repair tape over the porch light lens on my T@B. I used 2 layers to get it a little darker amber. There was no need to buy a new light outside and I think this would work inside too. I used a a razor knife so I didn't even have to remove the porch light. In fact, I still have the roll of tape. Otoh, they also make a red lens tape, for those not wishing to mess up their night vision. I just didn't think a red porch light was "appropriate." YMMV

I also bought some window film to cover the porthole window I installed in the bathroom and that might even be sufficient to darken that light enough. I'll check that out as well. So thank you for this discussion!

DenverJaguar · August 2025

THANK YOU SO MUCH for this post...it gave me the motivation to replace these. It was SO easy. These lamps are identical to the factory lamps. I was initially having trouble prying off the cover plates, but once I used a trim tool, they popped right off. I used wago connectors and wrapped them in electrical tape. I also used some silicone on the bathroom light, as you did.

Dome Light Upgrade 2021 320s

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