Check the diagrams in your instruction manual itll have a picture of what goes where when using a tfi distributor. Today i looked at it and had what i think was an epiphany.
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Ford tfi distributor wiring diagram. You can find the ignition control module test explained here. 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. How to test the ford ignition control module. The tfi module is a gray box fitted to the side of the distributor. Altering airflow in any way that reduces air across the engine front and across the distributor will increase tfi module temperature. Thick film ignition tfi modules were used on ford vehicles with distributors from the early 1980s to the mid 1990s.
It is about one inch wide and about four inches long. The tfi module surface looks like this. It was used on a number of fords engines the efi 50 engines in particular. Test the tfi module according to the chart below. Ford tfi wiring diagram a beginner s overview of circuit diagrams. Ford ignition system circuit diagram 1994 1995 49l 50l and 58l.
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. Variety of ford tfi wiring diagram. 6al doesnt do that most of the digital series boxes do. Tfi iv ignition system wiring diagram courtesy of ford motor co. It was used on a number of fords engines the efi 50 engines in particular. Courtesy of ford motor co.
Thick film ignition tfi modules were used on ford vehicles with distributors from the early 1980s to the mid 1990s. A wiring diagram is a streamlined standard photographic depiction of an electric circuit. I have seen very few pickup coils on ford tfi systems go bad. You can find the 1994 1995 ignition system wiring diagram here. The tfi module is a gray box fitted to the side of the distributor. It shows the elements of the circuit as simplified forms and the power and signal links in between the devices.
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. The conventional ford distributor with tfi module depends heavily on engine fan airflow for cooling. 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 ignition control with megasquirt ii.
The above surface is unacceptable. See wiring diagram for wire color id.
Gallery of Ford Tfi Distributor Wiring Diagram
