Fitment notes: High CCA recommended for 351ci V8; verify clearance for taller batteries
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Control Modules — 1989 Ford F-100
Every control module on the 1987-1989 Ford F-100 — where it lives, replacement time, and what it takes to program a replacement.
Anti-Lock Brake System Control Module (ABS)1.5 hr R&Rno codingwith rear-wheel ABS (RABS) option
📍 frame rail near master cylinder
⚠️ Rear-wheel ABS only; no programming capability, fault code reading only via STAR tester or jumper wire flash codes.
Electronic Engine Control (EEC)1.2 hr R&Rno codingEFI engines (4.9L/5.0L/5.8L EFI)
📍 passenger side firewall, below master cylinder
⚠️ EEC-IV system standard on most engines by this generation. Calibration assembly (PROM) must match vehicle application. F-100 discontinued after 1983 in most markets; these years represent final production runs in specific markets.
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 1989 Ford F-100 351ci V8 and can vary by trim.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.