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Home >> Ford >> 1991 >> Thunderbird Base, 5.0 T >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 5.0L >> Retrieving Codes
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Retrieving Codes

Service codes are retrieved from the EEC-IV system through the self-test connector. Various methods and test equipment may be used to access these codes. The following test equipment may be used:

SELF-TEST CONNECTOR LOCATIONS

Application Location
Cougar & Thunderbird In Front Of Right Shock Tower
Crown Victoria & Grand Marquis Left Inner Fender, Above Wheelwell
Mark VII Right Front Fender Apron
Mustang Left Shock Tower, Near Ignition Coil