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Third Brake Light Replacement

Roaming

Grenadier Owner
Local time
8:20 PM
Joined
Aug 9, 2025
Messages
6
Location
US
Third brake light has some condensation in it. Looking at replacing it, as it is slowly losing function. Will stay on for a couple of seconds while braking and then shut off with a loud zapping noise. Anyone know how to go about pulling the original off? I pulled the plastic cover from the interior rear door and there aren't any screws from the inside. Is this just adhesive mount? Any help is appreciated.
IMG_2642.jpg
 
Third brake light has some condensation in it. Looking at replacing it, as it is slowly losing function. Will stay on for a couple of seconds while braking and then shut off with a loud zapping noise. Anyone know how to go about pulling the original off? I pulled the plastic cover from the interior rear door and there aren't any screws from the inside. Is this just adhesive mount? Any help is appreciated.View attachment 7904900
Welcome to the forum. Sorry can’t help with that one. Enjoy your Grenadier 👍🏼
 
Welcome to the forum. Sorry can’t help with that one. Enjoy your Grenadier 👍🏼
Can you help now with your new found access to the INEOS service database? You can give it a test run on this question, while waiting for your car.
 
Third brake light has some condensation in it. Looking at replacing it, as it is slowly losing function. Will stay on for a couple of seconds while braking and then shut off with a loud zapping noise. Anyone know how to go about pulling the original off? I pulled the plastic cover from the interior rear door and there aren't any screws from the inside. Is this just adhesive mount? Any help is appreciated.View attachment 7904900

I don't know the answer to your question, but is your Grenadier out of warranty already? This seems like it should be covered.
 
And also a big thanks to Lynn Calder and INEOS.

And one less service call to INEOS.

This way both INEOS and owners benefit. I like win/win scenarios.

Here Forum knowledge was not enough to solve the posted problem, but allowing access to the INEOS service database did solve it, in roughly 40 minutes! Listening to the Calder Podcast gave me the idea to raise it with @Logsplitter after I saw him get database access.
 
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Was able to get the two black covers off with a plastic trim removal tool. Just pry the covers away from the door. Remove two hex bolts. Unplug the wiring harness located under the interior plastic trim behind the door. Only needed to remove partial trim to access harness. Took about 5 mins overall. Thanks for additional info.
 

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Was able to get the two black covers off with a plastic trim removal tool. Just pry the covers away from the door. Remove two hex bolts. Unplug the wiring harness located under the interior plastic trim behind the door. Only needed to remove partial trim to access harness. Took about 5 mins overall. Thanks for additional info.
So that was it? Two plastics and screws… the rest was plug and play with the new light?
 
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