I just bought a 1985 Dodge D150 Royal SE Prospector from a good neighbor. It's got 176,000 miles on the 5.9L engine and has been sitting for about 18 months. It starts and runs good, but there are a few problems that I need YOUR help with. Keep in mind that I am CLUELESS with regards to automotive operation and repair. I am planning on changing the oil/filter and the antifreeze and adding a can of fuel system cleaner.
Problem 1: the vehicle speed dropped off steadily and ultimately stalled out going up a hill. I suspect that either the fuel filter is clogged and/or the fuel pump needs replaced.
Problem 2: the warm/cold temperature selector for the hvac system will not budge from the cold position. Sounds to me like the cable is "frozen" and the application of some oil would solve this problem. I kind of need heat in the Winter, but don't know where to apply the oil.
Problem 3: when the battery is attached, the horn activates. I temporarily "solved" the problem by removing the fuse, but that circuit also controls the interior lights and radio. I suspect a loose (ground?) wire or a wire gnawed by rodents, but don't know how to track down the problem.
Any help you can provide will be immensely appreciated as I'm dirt poor at the moment... my wife and I have been building our own house, mostly without help, for 4 years now. That's why we could only afford a $200 truck.