- Ford EDIS
The Ford EDIS or Electronic Distributorless Ignition System is a computer-controlled ignition system developed by
Ford that uses anignition coil for each pair of cylinders (wasted spark ). All the coils are placed in a single module called a coilpack.Vehicles with EDIS
Ford used the EDIS module on a number of vehicles from 1990 to 199X.
EDIS-4
The EDIS-4 module is used on the following vehicles equipped with the Ford HCS engine, and the 1.9
liter straight-4 Ford CVH engine , between 1990 and 1993:
* Ford Escort /Mercury Tracer
*Ford Fiesta (Europe)
*Ford Escort (Europe)
*Ford Sierra (Europe)
*Ford Mondeo (Europe)EDIS-6
The EDIS-6 module is used on the following vehicles equipped with the 4.0
liter Ford Cologne V6 engine between 1990 and 1997:
*Ford Ranger /Mazda B-Series
*Ford Explorer /Mazda Navajo
*Ford Aerostar The European Ford Scorpio 2.9 V6 24V Cosworth also uses the EDIS-6 module.
EDIS-8
The EDIS-8 module is used on the following vehicles equipped with the 4.6
liter V-8Ford Modular engine between 1990 and 1997:
*Lincoln Town Car
*Ford Crown Victoria /Mercury Grand Marquis
*Ford Thunderbird /Mercury Cougar
*Ford Mustang The EDIS-8 Module was also used in Some later 5.0L Ford Explorers until around 2002
References
* [http://patft.uspto.gov/netacgi/nph-Parser?u=%2Fnetahtml%2Fsrchnum.htm&Sect1=PTO1&Sect2=HITOFF&p=1&r=1&l=50&f=G&d=PALL&s1=4661778.PN.&OS=PN/4661778&RS=PN/4661778 US Patent Number 4,661,778: Ignition diagnostic monitor]
* [http://patft.uspto.gov/netacgi/nph-Parser?u=%2Fnetahtml%2Fsrchnum.htm&Sect1=PTO1&Sect2=HITOFF&p=1&r=1&l=50&f=G&d=PALL&s1=4922874.PN.&OS=PN/4922874&RS=PN/4922874 US Patent Number 4,922,874: Automobile electronic control modules communicating by pulse width modulated signals]
* [http://patft.uspto.gov/netacgi/nph-Parser?u=%2Fnetahtml%2Fsrchnum.htm&Sect1=PTO1&Sect2=HITOFF&p=1&r=1&l=50&f=G&d=PALL&s1=5014676.PN.&OS=PN/5014676&RS=PN/5014676 US Patent Number 5,014,676: Ignition system with repetitive sparks]
* [http://www.dainst.com/info/edis/edis.html Ford EDIS technical information]
* [http://www.autosportlabs.net MegaJolt Lite Jr- Stand-alone, DIY ignition for Ford EDIS]
* [http://megasquirt.sourceforge.net/extra/edis-whatyouneed.html MegasquirtnSpark-extra EDIS mode]
* US Patent Number 6,115,665: Memory Efficient Computer System And Method For Controlling An Automotive Ignition System
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