The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

*gmachinz* · 01-26-2016, 10:35 PM

My harnesses come with new cab grommets so you can use them as a guide as to what size hole to drill but I believe its 1.5"

01-26-2016, 10:35 PM	#9
gmachinz Account Suspended Join Date: Jun 2011 Location: Des Moines, IA. Posts: 4,143	Re: Power lock wiring My harnesses come with new cab grommets so you can use them as a guide as to what size hole to drill but I believe its 1.5"