Upgrade your classic Chevrolet's safety and reliability with the GM 1974 Neutral Safety Switch Extension Harness. This essential automotive accessory ensures seamless connectivity between your dash harness and key components like the seat belt warning relay, parking brake switch, and clutch pedal neutral safety switch. Designed specifically for column shift manual transmissions, this harness sets itself apart from alternatives with its exceptional fit and durable construction, guaranteeing optimal performance in your vintage ride.