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Discussion Starter #1
When they put the surround cameras in the 2019 mirrors they relocated the puddle lights to the bottom of the doors. It seems the OEM light was really not that much, so a quick afternoon replacement to LEDs.

1) The stock seem a bit small and not that bright (image 1)
2) Found a bulb adapter on the bench that goes from bulb to mini-connector (image 2)
3) Added a mini-connector to a rubber covered waterproof COB LED striplight (image 3)
4) Installed bulb adapter in light housing and wrapped with electrical tape (image 4). (Perhaps I should have used heat shrink, may redo it next week)
5) LED connected to connector, housing inserted into door and LED strip light installed (image 5)
6) Night view (looking toward front of vehicle)(image 6)
7) Night view (looking toward back of vehicle)(image 7)

Tried them tonight and really easy getting into the vehicle. A plus is that if you drop something at night it is no problem to find it now. Only special note it to make sure the housing is wrapped/taped/heat shrinked well before inserting back into the door. The lamp assembly uses an exposed bare metal clip to hold in the bulb. A possible shorting issue if not wrapped well.

Best part is no holes to install and it can be easily returned to stock bulbs if needed.

Hope this helps.
... jpmg ...
 

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When they put the surround cameras in the 2019 mirrors they relocated the puddle lights to the bottom of the doors. It seems the OEM light was really not that much, so a quick afternoon replacement to LEDs.

Hope this helps.
... jpmg ...
Very nice work!

Where did you get your strip lights? and connectors?
 

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Discussion Starter #3
Thanks ....
The strip lights were from China, they are listed as "DRL" units. Actually standard COB strips with a sealed rubber housing. Look for DRL and you can find many similatr items

The connectors were from a dome light kit. Also directly from China. They were listed as a "2Pcs Automobile Xenon HID 36 COB LED Dome Map Light Bulb Auto Car Interior Panel Lamp 12V 5500-6000K w/ T10 BA9S Festoon Adapter" and came with adapters for festoon, bayonet and plug bulbs. Total for all those parts and two dome lights was $1. So I got a few kits just to keep around for "whatever".

G.Frog;144975]Very nice work!

Where did you get your strip lights? and connectors?
 

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Discussion Starter #4
UPDATE - Potential Battery Issue

Installed last night and came out for test today. Odd that door was unlocked. When I started I noted that it took a while to bring the battery up. Based on that I am leaning toward the potential of battery drain from these LED alone (your setup might be different). This would make sense if the computer tests to see if the bulbs are OK by checking resistance. So I am now trying a voltage regulator for the LEDS. (image 1)

These little things can be set for a specific output voltage and will hold that output even if the input goes up. In the past I have used them set output to about 11.5V and they keep LED cool and at a stable brightness no matter that the level of the charging system.

The original bulb reads as 2.04 Ohms, while the LED strip reads at 0.17 Ohms. A reading that low from the LED would confuse the computer if it was checking the circuit. It might keep the computer awake, similar to the previously noted problems with LEDs in the backup lights. When the regulator is installed the resistance is now 150K Ohms. Being on the high side the computer should now think the bulb is fine. Should know the results by the morning.

Actual install was simple. Set the regulator to the desired output, wire it up line with the light (image 2) and heat shrink it all up (image 3).

Cheers.
... jpmg ...
 

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Discussion Starter #6
I will state a qualified yes that it solved the problem (Qualified since I only have two days data). However the charging time after sitting at night is no longer long.

Lacking enough data I would not want to say it should be installed on an EMS vehicle in Alaska that sits for long periods and then needs to always start to save lives.
But for a daily driver it seems to have solved the problem. it might have other application in this vehicle.

Next two projects in the notebook are:
1) Additional LEDs in the rear hatch. Goal is to have them look OEM like the center one and give better light for cargo loading. Might have found the parts. Probably have to remove the inside lower rear hatch cover.
2) Courtesy/Entrance lights for the two rear doors. I think a solution and also have the parts. Also figured a way for easy activation. Will test and look for some wiring information. Hoping to build it like the last ones in the Silverado. (image 1)

Cheers!
...jpmg ...

So how did it go? Did the regulator solved the issue with battery drain?
 

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I'm running those cheap-as-crap LEDs in my puddle lights and I can almost guarantee they aren't in any way regulated. I let the car sit a week while I was camping and no issues. I guess it might be a YMMV situation...?
 

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Discussion Starter #8
Yup ... YMMV situation.

On my less computer controlled cars the DRLS worked OK, but would get hot and not last as long without regulators. Never had computer concerns until the newer 2016+ stuff. The small multi LED type replacement bulbs would not cause problems. But from what I have read here and seen, it seems like the newer computers are more sensitive.

All I can assume is that they are "woke" and get "triggered" by the replacement LEDS.

Cheers!
... jpmg ...


I'm running those cheap-as-crap LEDs in my puddle lights and I can almost guarantee they aren't in any way regulated. I let the car sit a week while I was camping and no issues. I guess it might be a YMMV situation...?
 
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