2023 Bolt EV modifying lift gate tail light to turn on when braking

I recently bought a 2023 Bolt EV and noticed when braking or slowing down, other SUVs and trucks would appear to roll right up to my rear end as if they were not going to stop. This is especially true during stop and go traffic.

In normal operation, the Bolt's lift gate light only activates when the parking light or headlight is on but does not activate as brake or turn signal.

I decided to modify the Bolt's lift gate lights to turn on when the brake light is activated. The lift gate light had 1 level brightness which is not as bright as the bumper mounted brake lights but adding the additional light during braking can help with visibility. I did check for any digital or data signal on the positive voltage line just to confirmed there was no digital signal. I believe these LED lights are not design to require any future maintenance so the factory probably felt it was not necessary to monitor it's status. No more possibility of a burn out incandescent bulb.

Note: When the parking light or headlight is turned on, the lift gate light would also be on so stepping on the brakes will not make any changes in the brightness of the lift gate light. I do demonstrate this in the video.

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