Fitment notes: Standard top post battery for 1980 F-150 with 300ci inline-6; verify tray size as some models may accept Group 27F
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Every control module on the 1980 Ford F-150 — where it lives, replacement time, and what it takes to program a replacement.
Electronic Engine Control Module (EEC-III)1.2 hr R&Rno coding302 V8 (5.0L) with EFI in California emissions trucks only
📍 Passenger-side firewall, below glove box area
⚠️ Ford's first generation EEC system on F-150; extremely rare, California-only application. Pre-programmed calibration in hardware; no field programming capability. Most 1980 F-150s remained fully carbureted with no engine computer.
Voltage Regulator (VR)0.2 hr R&Rno coding
📍 Integrated into alternator or mounted on driver-side inner fender
⚠️ Solid-state regulator; no programming. External or internal depending on alternator type.
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.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1980 Ford F-150 300ci I6 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.