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Starter Relay - Replacement Precautions

86ford13

Article No. 86-14-9

EEC PROCESSOR - 5.0L SEFI - POSSIBLE DAMAGE - WRONG STARTER RELAY USED


RUNS ROUGH - 5.0L SEFI - PROCESSOR DAMAGE - WRONG STARTER RELAY USED


NO START - 5.0L SEFI - PROCESSOR DAMAGE - WRONG STARTER RELAY USED


FORD 1986 THUNDERBIRD, CROWN VICTORIA

LINCOLN-MERCURY 1986 COUGAR, GRAND MARQUIS, CONTINENTAL, MARK VII, LINCOLN

CALIBRATION: All 5.0L SEFI

Replacing the starter relay on 1986 SEFI vehicles with a relay that does not contain suppression diodes will result in permanent damage to the EEC processor. The damaged processor can cause a rough running engine or a no start condition.

It is important to check the starter relay part number prior to replacement of the relay.

The correct starter relay part number will be one of the following:
Engineering P/N Service P/N Application

E4TF-11450-AA E5TZ-11450-A Mustang, Continental
E5DF-11450-AA Mark VII

E4AF-11450-AA E5AZ-11450-A Crown Victoria, Town Car
E6AF-11450-AA Grand Marquis
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: "INFORMATION ONLY"