Ford Computer Systems
Electronic Engine Control III
EEC III Application: 1980 - 1984 Cars & Trucks

Location: Cars - Passenger compartment under instrument panel, left of steering column. Trucks - under seat, drivers side.

Connector - 32 pins

Calibrator Assembly - Replaceable, Note: It is not included on replacement units. (Transfer from old unit)

Electronic Engine Control IV
EEC IV Application: 1982 to Present Cars & Trucks

Location: Passenger compartment under dash, behind glove box, or left side of steering wheel.

Connector - 60 pins

No calibrator assembly or replaceable PROM chip

Electronic Engine Control V
EECV Application: 1995 to Present Cars & Trucks

Location: Passenger compartment under dash, behind glove box, or left side of steering wheel.

Connector - 104 pins

Unit is programmed electronically via OE scan tool or Service Bay Diagnostic tool.

Unit can be repaired under the R&R Program

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