allenmExplorerNov 18, 20153rd Brake LightI'm thinking about adding a 3rd brake light (bright LED style) to the rear of my travel trailer, maybe mounted to the back of my spare tire carrier about a foot above it. It would come on with the bra...Show More
Dannyabear1ExplorerNov 18, 2015On GM trucks there is a wire for this purpose in the harness for the 7 pin connector; You would need a wire from the connector to the light itself
About DIY MaintenanceRV projects you can tackle on your own with a few friendly pointers.4,373 PostsLatest Activity: Jun 09, 2025
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