W wranglerman New member Apr 2, 2011 #1 I have an 89 YJ where the heat under the dash only blows on the drivers side. Is there supposed to be a diffuser or something to give heat to both the driver and pass?
I have an 89 YJ where the heat under the dash only blows on the drivers side. Is there supposed to be a diffuser or something to give heat to both the driver and pass?
TeddESP New member Apr 2, 2011 #2 Yea it should have an end that splits in two, one side to driver, one side to passenger.