The tfi module is a gray box fitted to the side of the distributor. The tfi module surface looks like this.
Msd 6al Box Ford F150 Forum Community Of Ford Truck Fans
Ford tfi distributor wiring diagram. Have to use the white wire input or you can ditch the tfi module and wire the pickup direct but you must have a msd box with the option of a hall effect sensor input. It was used on a number of fords engines the efi 50 engines in particular. Ford tfi wiring diagram a beginner s overview of circuit diagrams. How to test the ford ignition control module. Ford ignition system circuit diagram 1994 1995 49l 50l and 58l. It is about one inch wide and about four inches long.
Check the diagrams in your instruction manual itll have a picture of what goes where when using a tfi distributor. Variety of ford tfi wiring diagram. Today i looked at it and had what i think was an epiphany. See wiring diagram for wire color id. The above surface is unacceptable. You can find the 1994 1995 ignition system wiring diagram here.
See the trouble shooting basic procedures article in the general trouble shooting section. In the next page youll find the icm connectors pinout with a brief description of each wire. Tfi iv ignition system wiring diagram courtesy of ford motor co. The conventional ford distributor with tfi module depends heavily on engine fan airflow for cooling. Ive been casually looking at the wiring diagram of the sn95 distributor on and off for months trying to figure out if there is a way to incorporate this distributor into a tfi relocation project ive been eyeing for my 93 gt. A very first look at a circuit representation could be complicated yet if you could check out a subway map you can read schematics.
Thick film ignition tfi modules were used on ford vehicles with distributors from the early 1980s to the mid 1990s. It shows the elements of the circuit as simplified forms and the power and signal links in between the devices. The tfi module is a gray box fitted to the side of the distributor. Thick film ignition tfi modules were used on ford vehicles with distributors from the early 1980s to the mid 1990s. 6al doesnt do that most of the digital series boxes do. A wiring diagram is a streamlined standard photographic depiction of an electric circuit.
Courtesy of ford motor co. You can find the ignition control module test explained here. It was used on a number of fords engines the efi 50 engines in particular. Altering airflow in any way that reduces air across the engine front and across the distributor will increase tfi module temperature. Tfi ignition control with megasquirt ii. Testing the pickup coil pip in the distributor is not an easy task and best to test the tfi module first then replace the pickup coil pip if the tfi module tests ok.
Test the tfi module according to the chart below. I have seen very few pickup coils on ford tfi systems go bad.
Gallery of Ford Tfi Distributor Wiring Diagram
