Look on the side of your distributor. It takes a special wrench to remove it if it is there.
The ignition control module for a 1995 ford f150 is an important part of the drive train. If the module is failing then the engine will run erratically or not start at all.
under the dist. cap
Could be the ignition module. It's attached to the side of the distributor.
On the distributor
Would be in the distributer or the ignition module
take off the distributor cap see what you find.
We are replacing the ignition switch on a 1976 ford F150 Need some help - give us directions
did you changed your thermostat? You MUST keep around 195 degree thermostat in the vehicle at ALL TIMES due to the computer system. The ignition module usually gets hot due to corroded electrical connections at the ignition module and or the module is HEAT SENSITIVE and needs to be replaced. (plug wires) Ignition misfire can produce a variety of driveability symptoms including hard starting, rough idle, hesitation....
The only other thing you can really do is get a manual from your local parts store or online. The cost is about $20.
It sounds as if you have a bad ignition control module. It would be located on the distributor. On some of these vehicles, the module was moved over on to the side of the left fender. Ford had a lawsuit against them for these modules, but the time to submit claims against them has expired. It is also referred to as the thick film ignition (TFI)module.
Chances are there is no polarity. An ignition coil is simply a wound of wires used to generate high voltage. But you may find a marking on it such as a "+" or a red wire wich would indicate the positive electrode.
On the side of the distributor there is a module, Check the module, or just replace it it should be cheap. If that is not it (probably is) then look to the coil