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Every control module on the 1984-1988 Ford Ranger — where it lives, replacement time, and what it takes to program a replacement.
Electronic Engine Control Module (EEC-IV) (EEC)1.2 hr R&Rno coding
📍 passenger side firewall, mounted on inner fender apron near brake master cylinder
⚠️ Calibration updates require physical EPROM chip replacement, not flash programming. 2.0L/2.3L/2.8L/2.9L engines use EEC-IV; carbureted models have no ECM.
Anti-Lock Brake System Control Module (Rear Wheel ABS) (RABS)0.8 hr R&Rno codingwith Rear Wheel Anti-Lock Brake System (RABS) option
📍 frame rail near fuel tank, driver side
⚠️ Rear-wheel-only system introduced 1987. Module and valve assembly combined unit.
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 1986 Ford Ranger 2.9L V6 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.