HomeEngine > Control ModulesCardone 78-4688 Engine Control Module (ECM)
Part #: 78-4688

Cardone 78-4688 Engine Control Module (ECM)

Engine Control Module
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Engine Control Module
🚗Fitment: Ford, F-150 and F-250
🔄Easy Returns — Return within 60 days for a full refund
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Cardone Engine Control Module for Ford Trucks

The Cardone 78-4688 Engine Control Module is a remanufactured ECM built for 1988-1990 Ford F-150 and Ford F-250 applications. It is pre-programmed at the factory for the listed ID numbers and is remanufactured to restore proper engine management performance.

Key Features

  • Remanufactured Original Equipment-style engine control module for a precise vehicle fit
  • Fits 1988-1990 Ford F-150 and 1988-1990 Ford F-250, N/A position
  • Factory pre-programmed for ID #(s) E8TF-AJA and AJB
  • Critical components are re-soldered or replaced during remanufacturing
  • 100% computer tested for functionality and reliability
  • On-car validation is performed to verify durability and performance
  • Earth-friendly remanufacturing process reduces raw material and energy use versus new part production

Detailed Description

Cardone Engine Control Module 78-4688 is a remanufactured electronic and powertrain control module for Ford truck applications. Built for 1988-1990 Ford F-150 and Ford F-250 models, this ECM is designed to meet or exceed original equipment performance while addressing common failure points found in the original unit. Cardone uses reverse engineering to identify design weaknesses, then re-solders or replaces critical internal components at its Philadelphia manufacturing plant before final computer testing.

This part cross-references Ford E8TF12A650AJA and E8TF12A650AJB for the same application. If you are searching for a Ford F-150 ECM replacement or a Ford F-250 engine control module, part number 78-4688 is built for the listed ID numbers and pre-programmed at the factory.

What This ECM Helps Resolve

  • Engine no-start conditions related to a failed control module
  • Driveability problems caused by incorrect fuel or ignition control
  • Intermittent electrical faults from weakened internal solder joints
  • Check engine concerns traced to a defective ECM
  • Performance issues after confirming the original module has failed

Installation Notes and Tips

  • Verify the Ford engineering ID number on the original module before ordering.
  • Check vehicle grounds, power feeds, wiring harness condition, and related relays or solenoids before replacing the ECM.
  • This unit is pre-programmed at the factory for the listed applications.
  • Use the correct service procedure if the vehicle requires additional anti-theft or programming steps.
  • Confirm the original failure source so the replacement module is not damaged by an unresolved electrical issue.

Quality Assurance

Cardone remanufactured engine control modules are 100% computer tested, and selected applications also receive bench testing and on-car validation. The remanufacturing process is focused on restoring OE-level function while correcting known weak points in the original design.

BrandCardone
Part Number78-4688
PositionEngine Control Module
FAQsChrysler pcm's identified with a "v" suffix will need to be vin p
FAQsDo all chrysler power train control modules (pcm) need vin progra
FAQsDo all ford vehicles require a passive anti theft system (p.a.t.s
FAQsI replaced the pcm in my gm vehicle. do i need to reset the pass
FAQsNo, not all ford vehicles require a pats reset. check the pats c
FAQsPrior to replacing the original ecm/pcm, the installer should det
FAQsThe replacement ecm for a ford vehicle won’t start the veh
FAQsThe wrong ecm may have been installed. verify the ford engineerin
FAQsWhat steps should i take to assure the original ecm/pcm is causin
FAQsYes, there's a 10 minute procedure utilizing a tech 2 scanner and

This part fits 6 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
1990FordF-150Manual5.0LV8N/AID #(s) E8TF-AJA, AJB; This Unit is Pre-Programmed at the Factory; Engine Control Module
1990FordF-250Manual5.0LV8N/AID #(s) E8TF-AJA, AJB; This Unit is Pre-Programmed at the Factory; Engine Control Module
1989FordF-150Manual5.0LV8N/AID #(s) E8TF-AJA, AJB; This Unit is Pre-Programmed at the Factory; Engine Control Module
1989FordF-250Manual5.0LV8N/AID #(s) E8TF-AJA, AJB; This Unit is Pre-Programmed at the Factory; Engine Control Module
1988FordF-150Manual5.0LV8N/AID #(s) E8TF-AJA, AJB; This Unit is Pre-Programmed at the Factory; Engine Control Module
1988FordF-250Manual5.0LV8N/AID #(s) E8TF-AJA, AJB; 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:

E8TF12A650AJAE8TF12A650AJBE8TZ12A650AJB

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