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

dyno · 01-26-2010, 11:50 AM

Hi,

My heater fan runs all the time in the off position. I unplug the 3 prong connector from the resistor on the firewall under the hood and it turns off, but I only have single speed.

Is there a mod to fix this?

01-26-2010, 11:50 AM	#1
dyno Registered User Join Date: Sep 2008 Location: Middleton, Idaho Posts: 352	'80 heater switch mod? Hi, My heater fan runs all the time in the off position. I unplug the 3 prong connector from the resistor on the firewall under the hood and it turns off, but I only have single speed. Is there a mod to fix this? __________________ "Built- not bought" 1958 GMC 150 4x4 in progress 1980 K20- Restored 1985 K3500 Flatbed 58 GMC 4x4 build thread: http://http://67-72chevytrucks.com/vboard/showthread.php?t=557675