aimlowrobin
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- Nov 26, 2018
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first mod to my new 2020 was a couple LED cubes under the back bumper. I've had these on the last 3 trucks I've owned and they are so handy, I'll likely have on every truck.
I wired them to come on anytime the bed cargo lamp is on, via the wire in rear driver side door jamb. This means they come on when truck is unlocked, tailgate opened, etc but I can hit the cargo switch when needed backing up.
One issue I encountered was that the lights would flash on and then all associated lights would go out until I cycled the ignition. No blown fuses. With some research I found that the truck monitoring system (cbc) will shut down the circuit if overloaded. Never had this issue on my 19 or previous, but the solution was to wire in a relay.
I wired them to come on anytime the bed cargo lamp is on, via the wire in rear driver side door jamb. This means they come on when truck is unlocked, tailgate opened, etc but I can hit the cargo switch when needed backing up.
One issue I encountered was that the lights would flash on and then all associated lights would go out until I cycled the ignition. No blown fuses. With some research I found that the truck monitoring system (cbc) will shut down the circuit if overloaded. Never had this issue on my 19 or previous, but the solution was to wire in a relay.
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