The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Heater control head lighting, works..then not.

MAC71Cheyenne · 01-16-2021, 12:53 AM

I did...New 168's. Socket contacts are good. Bulb is tight with no wiggles. Makes no sense, Upon contact with the back of the housing it lights up as it should, works perfect until seated in the back of the case. There is no obstruction between the bulb head and back side of the display. Screwy!

01-16-2021, 12:53 AM	#3
MAC71Cheyenne Registered User Join Date: Aug 2020 Location: Mount Pleasant Iowa Posts: 303	Re: Heater control head lighting, works..then not. I did...New 168's. Socket contacts are good. Bulb is tight with no wiggles. Makes no sense, Upon contact with the back of the housing it lights up as it should, works perfect until seated in the back of the case. There is no obstruction between the bulb head and back side of the display. Screwy!