73-87chevytrucks.com

73-87 Chevy _ GMC Trucks => Interior & Equipment => Heating, Ventilation & Air Conditioning (HVAC) => Topic started by: bcbueller on July 01, 2016, 05:35:20 pm

Title: defrost control
Post by: bcbueller on July 01, 2016, 05:35:20 pm

too keep it short
76 shortbox with 81 cab . a/c airbox and i only have floor control for air . where is the hook up on the airbox for vent action??? thank you

Title: Re: defrost control
Post by: VileZambonie on July 01, 2016, 06:12:06 pm

Make sure the vacuum hose is connected for the heater controls and that the vacuum reservoir has vacuum supply.

Title: Re: defrost control
Post by: bcbueller on July 01, 2016, 08:19:15 pm

thank you i will check that