Rear Window Defrost Adding?

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dieselscout80

Junior Member
Joined
Jun 12, 2022
Posts
17
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1
Location
USA SE
Ram Year
2020
Engine
6.4
My 2020 Bighorn 2500 has the heated and power folding mirrors so I have the switch to activate defrost functions.

My question is can a defrost capable be added and just plug into wiring that is already in my truck or am I going to need a wiring harrness?

Where is the factory connecter at for the defroster?
 
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