Fitment notes: Standard top post battery; located in engine bay
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Every control module on the 1981-1989 Dodge W250 — where it lives, replacement time, and what it takes to program a replacement.
Instrument Cluster (IC)1.5 hr R&Rno coding
📍 Dashboard behind instrument panel
⚠️ Electromechanical gauges; electronic speedometer on some models requires no programming.
Single Board Engine Controller (SBEC)1.2 hr R&Rno coding
📍 Engine compartment, left inner fender or firewall
⚠️ Only on fuel-injected models (rare on W250 this era); most used carburetors with no ECM. Flash-code diagnostics via CHECK ENGINE lamp.
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 Dodge W250 318ci V8 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.