As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Control Modules — 1965 GMC 1500 Series
Every control module on the 1960-1966 GMC 1500 Series — where it lives, replacement time, and what it takes to program a replacement.
Voltage Regulator (VR)0.3 hr R&Rno coding
📍 Firewall-mounted near distributor or generator-mounted depending on year and configuration
⚠️ Electromechanical device controlling generator/alternator output; not a programmable module. Simple replacement part requiring no programming or relearn procedures.
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 1965 GMC 1500 Series 305 cu in (5.0L) GMC V6 and can vary by trim.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.