Again, great info and much appreciated. I'll start digging tonight. Agreed, the signs of high-current leading to brittle connector and small amount of melted insulation on the purple wire lead me to believe there is/was a problem somewhere down the line. I'll start tracing tonight and look at...
https://www.yps-usa.com/cdn/shop/products/z_5819_7_0_c514977a-2708-4c16-a187-1eb3dabc0ab9_2048x.jpg?v=1652305893
Think this is what I will find when I pull the hvac controls this evening...
Hey thanks for this. I was going through the 1000+ pages of the service manual but not really finding much. It makes sense that I can hear a faint 'click' in the HVAC module when I press the defog button. Not the typical relay sound - I'll remove it and see what I can find. Currently...
Hello. Does anyone know where the relay for rear defrost is located?
1995 yukon gt 2 door.
Fuses are good. Found purple wire in convenience center - by parking brake - looks like it got pretty hot and started melting the connector. Can't get power to NAT terminal when pressing defrost switch...
Does anyone happen to know what the part number is for the map light housings(?) that pop into the two swivels? My console just has two holes that swivel but someone snagged the bulbs/housings from the o/h console. Been searching high and low but can't find these separately.