To answer your question are you referring to your A/C and Heating temperature control unit? The temperature control which is next to the A/C control knob which you adjust the temperature from cold to hot? When you adjust it between cold and hot it opens a blend door via blend door motor to get the desired temperature.
Follow lines from master cylinder through ABS control to each individual wheel cylinder
http://safemanuals.com/user-guide-instructions-owner-manual/FORD/EXPEDITION-1999
You can find the 1999 Ford Expedition headlight fuses in the fuse box. The headlight fuse will be the numbers three fuse.
In a wrecking yard!!!!!!!!!
You can find your 1999 Ford Expedition front windshield wiper fuse in the fuse box. The windshield wiper fuse will be in the second column, fourth from the top.
Suggest you visit your local public library, and find the Chilton's Repair Manual for the 1999 Ford Expedition. They show the wiring diagram for the ignition coil in the Manual.
It is on the left side of the engine block but is up where it is very had to find. You have to be under the vehicle to find it.
find body control module its on that
The firing order for a 1999 Ford Expedition will depend on the size of the motor it has. To find the right firing order for that vehicle, open the hood and note the information on the cross bar at the front of the engine.
According to the 1999 Ford Expedition owners manual : 4R70W ( which would have been used with the 4.6 liter V8 engine ) 4R100 ( which would have been used with the 5.4 liter V8 engine )
Are you referring to a wiring color schematic diagram? If so copy and paste. http://www.commandocaralarms.com/wiring/1999/Ford/Expedition
I believe it is in the owners manual. I know it is in the manual for the new 05 and 06.