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Every control module on the 1986-1989 Ford Bronco II — where it lives, replacement time, and what it takes to program a replacement.
Anti-Lock Brake System Control Module (ABS)1.8 hr R&Rno codingwith Rear Wheel Anti-Lock (RWAL) option▸ programming details
📍 driver side frame rail, forward of rear wheel well
⚠️ Rear-wheel-only ABS system; module is non-programmable, code reading only via STAR tester or NGS. Hydraulic control valve integrated with module assembly.
⚠️ Calibration assembly (PROM) must match vehicle application; replacement requires correct part number for engine/transmission/emissions combination. No field programming capability.
Speed Control Amplifier (SCA)0.6 hr R&Rno codingwith cruise control option
📍 engine compartment, driver side fender well
⚠️ Electromechanical servo amplifier; no electronic programming, purely component-level replacement.
Radio Receiver (N/A)0.5 hr R&Rno coding
📍 Center of instrument panel, in radio opening
⚠️ Conventional analog radio, no electronic control module or programming.
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 1987 Ford Bronco II 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 Lexus & Toyota Mechanic · 20+ years.