Adding Rear Heat 1994 Suburban

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94burbk1500

I'm Awesome
Joined
Jul 13, 2017
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Location
Omaha, NE
Hey guys, not sure if this is the right spot, but I'm hoping someone has done this before. I have a 1994 suburban k1500 with rear ac, I want to add rear heat. I'm trying to figure out everything I need to do this. Obviously the ideal scenario involves finding a sub that already has this and stripping all the neccesary parts, but that's easier said than done. Does anyone know if I need to add wires for this or if the factory harness will support it?
 
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