📍 Integrated with EEC module on driver-side inner fender apron
⚠️ E4OD transmission control integrated into EEC-IV processor; earlier automatics (C6, AOD) are fully hydraulic with no module.
Speed Control Amplifier (SCA)0.6 hr R&Rno codingWith factory cruise control
📍 Under hood on driver-side firewall near brake booster
⚠️ Electromechanical servo amplifier; no programming capability.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1990 Ford F-250 5.8L V8 351W and can vary by trim.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.