I have a 1990 p/u. Nothing fancy, 3km a day to take the dogs walking. I came home from being away for 2 months and the 3 lower heater fan speeds were not working. So I hit search 'heater+blower+fan+relay' and got the following link
https://forum.ih8mud.com/79-95-toyota-truck-tech/221769-replacing-heater-ac-blower.html#post3323832
Great pics, thanks very much. Knew where to look, removed my glove box. Found the heater coil resistor, removed it to find it broken in 2 places. New one tomorrow at local auto store. Mud Works! J
https://forum.ih8mud.com/79-95-toyota-truck-tech/221769-replacing-heater-ac-blower.html#post3323832
Great pics, thanks very much. Knew where to look, removed my glove box. Found the heater coil resistor, removed it to find it broken in 2 places. New one tomorrow at local auto store. Mud Works! J