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Part #: 78-4674

Cardone 78-4674 Engine Control Module

Engine Control Module
2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Engine Control Module
Fitment: Ford, Thunderbird
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Cardone Engine Control Module for Thunderbird

Restore engine management performance with this Cardone remanufactured Engine Control Module, part number 78-4674. Built for 1987-1988 Ford Thunderbird applications, this ECM is remanufactured to meet or exceed original equipment performance and is pre-programmed at the factory for the listed fitment.

Key Features

  • Remanufactured Original Equipment-style engine control module for a precise vehicle fit
  • Fits 1987-1988 Ford Thunderbird, N/A
  • Critical components are re-soldered or replaced at Cardone’s Philadelphia manufacturing plant
  • 100% computer tested for functionality and reliability
  • On-car vehicle validation is performed to evaluate durability and performance
  • Earth-friendly remanufacturing process reduces energy and raw material use versus producing a new part

Product Details

Cardone’s Engine Control Module line focuses on restoring electronic and powertrain control performance after original-unit failure. For this Thunderbird application, part number 78-4674 is a pre-programmed replacement designed around the original equipment configuration. The remanufacturing process includes reverse engineering to identify common failure points, then correcting those weaknesses through component replacement and re-soldering. This helps deliver stable electrical connections and consistent module operation in daily driving conditions.

This part cross-references Ford E8SF12A650AGA and E8SZ12A650AGA for the same application.

Common Problems This ECM Can Address

  • No-start or intermittent start conditions related to ECM failure
  • Driveability issues caused by unstable control-module output
  • Electrical faults traced to damaged internal solder joints or worn components
  • Check engine concerns linked to a failed engine control module
  • Vehicle performance problems after confirming power, ground, and wiring integrity

Installation Notes

Before replacing the original ECM, verify the root cause of the failure. Common causes include poor grounds, poor power supply, damaged wiring harnesses, and shorted solenoids or relays. For Ford applications, confirm the Ford engineering ID on the original module matches the correct Cardone number before installation. Some Ford vehicles require a Passive Anti-Theft System reset, so check the PATS chart for the specific application.

For 1987-1988 Ford Thunderbird, N/A, follow OE service procedures and confirm all vehicle inputs are correct before final startup. Part number 78-4674 is pre-programmed at the factory for the listed application.

Quality Assurance

Cardone remanufactured electronic and powertrain control modules are tested with automated computer equipment or bench-tested, depending on application, to confirm operation before release. The remanufacturing process is built around OE performance targets and validated through vehicle testing to support dependable service.

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1988FordThunderbird2.3LL4N/AID #(s) E8SF-AGA; This Unit is Pre-Programmed at the Factory; Engine Control Module
1987FordThunderbird2.3LL4N/AID #(s) E8SF-AGA; This Unit is Pre-Programmed at the Factory; Engine Control Module

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

E8SF12A650AGAE8SZ12A650AGA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.