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Does anyone have any recommendations for a strip light for the rear tail brake light? Perhaps one that can be plugged in by the hitch?
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Also you cannot add or subtract current draw to the tail light circuits . Curt and others make a relay which have a plug to go between harness and tail light assembly that requires is own 12v supply to power lights and or trailer even a 7pin plug.The real problem is, if you have CP360, anything plugged into the hitch plug causes the BLIS and Rear Cross Traffic Alert to be inop. You must tie into the light assembly wiring to add any of the tailgate lights, or bump steps to avoid these issues.
That works if you purchase an LED bulb which has a resistor built in to keep current draw above the "no burned out bulb" condition or in some conditions excessive current indicating possible short. Seems like somewhere I saw where bulb type led or incandescent could be selected. Also someone posted that when using the 4pin trailer plug to power something that the 4pin male for the add ons had to modified to prevent truck from thinking a trailer was attached. Search for thread. If I remember correctly disconnecting white wire on male side and grounding device to body. Another wire was also switched.I converted all of my tail/brake lights to LED utilizing LEDs from Lasfit, so adding a LED tailgate light bar, was/is no issue. Current draw is still less than standard incandescent bulbs.