The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Blower or Switch? and another AC question or two

**leddzepp** · 06-21-2010, 10:51 AM

relay or switch....probably the relay.

You need the working heater valve or your A/C will not stay cold. It is an OEM piece. The heater core and evaporator core are right next to each other. This prevents the heater core from heating up.

06-21-2010, 10:51 AM	#5
leddzepp Moderator Join Date: May 2007 Location: Southern Cal Posts: 20,124	Re: Blower or Switch? and another AC question or two relay or switch....probably the relay. You need the working heater valve or your A/C will not stay cold. It is an OEM piece. The heater core and evaporator core are right next to each other. This prevents the heater core from heating up. __________________ 1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man RIP FleetsidePaul