igniton switch problems on 1989 ford F-150

Replaced the alternator on a 1989 Ford F-150 but the battery will still not charge. How do I fix this?

1989 Ford f-150, standard 5 speed, 4.9 liter 6 cyclinder, the problem is the high pressure fuel pump does not charge (get power) when the key is turn on, initially it was an intermittent prblem, the fuse link, EEC relay, Fuel pump relay, and the high pressure pump have been replaced, it ran fine...

1989 Ford F 150 with a 4.9L engine, fuel injection, sometimes when I turn the key on you can hear the eletric fuel pump charge up and the truck starts, but many times when the key is turn on the eletric pump does not charge up and the truck does not start, it has a new eletric fuel installed. The...

I can drive my truck for three days or so and then it will start running rough like it isn't getting gas or getting flooded. It will die if I give it to much gas. It will not start till I let it set about 30 minutes. Then it will run about three days or so and then do it again. The only...

I have a 1989 Ford F-150 pickup with about 350K miles. It needs valve cover gaskets, plugs, wires, muffler and other 'odd and ends'. Can I tell, from a compression check of the enging, whether or not it is worth spending the money on repairs? How hard is it to replace valve cover gaskets? I am...