The firing order is ( 1 - 4 - 2 - 5 - 3 - 6 )
The distributor rotor turns CLOCKWISE ( 2.9 L and 3.0 L - V6 engines )
The marked # 1 position on the distributor cap faces to the rear / passenger side
The Coil Pack Towers are numbered ( 4.0 L - V6 engine )
coil---3---4
pack--2---6
plug---1---5
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The engine cylinders / spark plug locations are numbered :
firewall
3 - 6
2 - 5
1 - 4
front
spark plugs wiring diagram
You can get a diagram for a 1992 Ford Ranger 3.0 engine from your local auto parts store. Repair books, such as Haynes, offer diagrams.
http://www.eautorepair.net
www.motorcraft.com shows the spark plug gap for a 1992 Ranger 2.3 L engine as ( .044 inch )
diagram of fusebox on 1988 ford ranger
autozone.com has online manuals free to use and there is one there
.044 inch according to motorcraft.com
The 2.9 L V6 used in 1986 to 1992 Ford Rangers spark plug gap is ( .044 inch )
any ford workshop can supply you with a photocopy of the diagram
wiring diagram for 98 ford ranger door alarm
For the 1992 Ford Ranger : 2.3 L / 2.9 L / 3.0 L - ( .044 inch ) 4.0 L - ( .054 inch )
It is important to have a diagram when changing the fuses of a car. The diagram is in the owners manual or on the back of the panel or inside the fuse box cover.