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

jtrichard · 12-17-2016, 02:08 AM

Generally GM AC runs a 25 amp fuse that's what a 67/72 truck runs for heat/ac .... And with a mix of 10GA and 12GA wire that would make sense..

12-17-2016, 02:08 AM	#2
jtrichard Registered User Join Date: Jun 2013 Location: joshua tree ca. Posts: 1,484	Re: '66 Heater/AC wiring questions Generally GM AC runs a 25 amp fuse that's what a 67/72 truck runs for heat/ac .... And with a mix of 10GA and 12GA wire that would make sense.. Last edited by jtrichard; 12-17-2016 at 02:31 AM.