Combines F2 questions troubles

The header does have an adjustment. Make sure your tire pressure is equal on both sides. You can also put a 3 in pipe on your header to prevent some of the problems that go along with digging on one side. I believe you have a bad ground with your lights. Stand on the header(with it up) and tap on the lights. If that doesn't work, take the light assembly apart and clean the ground. I am sure that someone else will be able to help you more. I sold my F2 this past Spring, but I remember most its quirks.

A solinoid located in the cab near the fuse panel should be checked to see if operational, this is a common problem with these machines, but your symptoms are a little different. you may have some wiring issues related to mice. check the solinoid.

Sounds to me like the mice have done a number on your wires. On the ignition part with the switch in the start position do you have power at the starter soleniodIJ If not you have a break in the wire if you have power comming out of the switch. Run a jumper wire from the start lug of the switch to the solenoid, if it starts you found your problem. If it has set out much then you have ground problems with your lights. As far as a clicking sound around the A_C it could be the circut breaker on the end of the fan housing if you have power on to the A_C. In your op manual they tell you how to level the head if the throat is not level with the combine. lock your cutter bar up and park the combine on a level concrete surface. Measure the distance under the axle and adjust the tire pressure to get the same heigth from side to side. Then with the cutter bar 6" off the floor check the header height at the cutter bar from end to end. This will tell you if the header is level with the combine. Most headers in time will sag on the left side. Most of the time you can adjust the tire pressure to get it level. I have a 1979 F2 with 28l26 tires on it that I keep 8lbs of air in the left tire and 6lbs in the right tire to keep it level. Once you have the cutter bar level take the clips off to let the cutter bar float. The left side (drive side) most times will not drop as much as the rest of the cutter bar on the series 2 heads. If it still wants to dig move the lever that is on the header control bar under the header above the skid pads that sets the height on that end of the head. On the series 2 heads there is a set screw you loosen so you can adjust the lever. As far as a JD header you can get a header adapter from Harv's that will let you put on JD heads with no cutting. In order to get the header control to work on a JD head or a 315 head you will need to put on an electric solenoid setup to get the hydraulics to work. This has been talked about in the past on this site. Unless you have 100bpa or less corn a 6 row head will be a load on this machine as well as a lot of weight on the front.