Dealing with a volvo. Turn key on, stop engine and engune fluids lights turn on, but do not shut off. Engine only cranks. Ran into this problem at...
it's a training truck, and i need to control the brakes on truck and trailer when combined. Or, just the truck brakes when bobtailing, with out...
I need to install a hand valve in my truck that controls both the tractor brakes and trailer brakes. I've been looking at diagrams, and can't seem...