Firing order or timing?

[lost86broncoii]

I think my firing order might be messed up or the distributor flipped on 180. How can I tell if its off, I don't have access to my bronco ii to compare the caps and see whats up, I checked in the tech library and set up my wires according to that, its turning over better but still not firing and when i stop cranking it I can hear some back fires in the exhaust? Any one got a trick for setting up the wires on the cap without knowing the original wires orientation???

1986 ford ranger auto 4x4 thanks for any help.

 

[Psychopete]

Is there a #1 on your cap? If not, then orientate the wires based on how they appear on a diagram. Find TDC on the compression stroke and test drop the dist in a couple of times and mark where the rotor is going to end up when you drop it in. Get it as close to the #1 post as you can once it's dropped in and you should be good. Easy to get it 180 out, 2 revolutions of the crank = 1 revolution of the cam, so you need to make sure you're finding TDC on the compression stroke.