2020 freightliner cascadia back of the cab lights

MikeP69

Member
I have a 2020 freightliner cascadia... I added a couple red led lights to the back of the cab that I want to come on with the parking/tail lights...where would be the best place to wire them in?
 
It’s best to run your own fused wire to a separate switch. The fet in the samcab and samchassis has a very specific resistance value. Adding to the system can make things funky.

However if you want a wire to tap into so they come on with the light switch. Use the marker lamp wire on the cab side of the trailer cord. It’s the most forgiving.
 

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