the valve that the lever is connected to by means of a wire might be rusted. the valve should be located in the engine compartment on the lines going into the fire wall on the passenger side. they supply hot water to the heater coil.
push back on the turn singal lever {towars the front of the truck) the turn signal lever and the tilt wheel adjustment are one and the same lever
Under the dash near the brake pedal lever.
Check all the linkage from the transmission.
approximately 4013 lbs.
Check on or right below the dashboard near where the gas cap relase lever would be
One reason a 1989 F-150 may not start is a bad battery.
www.motorcraft.com shows (.044 inch ) plug gap on the 1989 F150 300 cubic inch ( 4.9 L ) straight 6 cylinder engine
no it would not.
It's the block heater. I had the same problem.
front passenger site
to the rite and just below the coil
Yes.