Intalling line output converter

[Benji88]

Hey guys I need help I want to a install a line output converter to a 2017 chevy silverado 1500 lt and I wanna tap into the wires that are in the left pillar does anyone know what wire color is for both rear speakers positive and negative. 

[14 gmcl83]

Your best bet is to tap in to the factory amp in the back that’s what I did it was very easy look on YouTube.

[Ozer]

Do you have a factory amp? 

for 2014 sierra i know its 

Right Rear + white / - blue/black

Left Rear   + green / - green/black

[Benji88]

Idk if it does have one but I want to tap in the wires on the left pillar and the color of speaker wires from gmc & chevy the same 

[Ak_grown]

the tweeter speaker wires in the pillar are probably not the best sound you want, because they probably filtered out the low end frequency from the factory amp. but if thats what you want normally the lighter color wire is the positive wire.  ex. yellow/ brown, yellow would be positive. its kinda been that way with GMs not so much with other manufacturers. 

[Benji88]

I want to tap in into the rear left pillar not the very front ones 

[jpinoy]

I want to tap in into the rear left pillar not the very front ones 

Why not just get one of these IF you have an amp so no need for tapping the pillar

https://www.crutchfield.com/S-qyNDZiN8Cfp/p_541APHGM02/PAC-APH-GM02-AmpPro-Speaker-Connection-Harness.html?source=pjn&subid=43737




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