A-Premium A/C Compressor Cut-Out Switch for Chevrolet & GMC — 2-Pin Blade OEM-Style Black Housing

This A-Premium cut-out switch is built as an OEM-style replacement for a wide range of Chevrolet, GMC, Buick, Cadillac and Pontiac models. It’s a two-pin, blade-terminal switch designed to plug into existing wiring harnesses and trigger the compressor clutch to shut off under unsafe pressure or circuit conditions. Manufactured to match original dimensions and connector types, it offers a straightforward swap for technicians and DIYers restoring A/C function.

Which vehicles will this switch fit?

This switch covers many GM platforms across sedans, trucks, SUVs and vans from the 1980s through the early 2000s. Fitment includes popular models such as the Silverado, Tahoe, Sierra, Suburban, Camaro, Corvette, and various Buick, Cadillac and Pontiac vehicles listed by year ranges. Always cross-check the reference numbers and terminal style with your existing switch before ordering.

• Compatible with Chevrolet: Camaro, Caprice, Cavalier, Corvette, Silverado, Tahoe, Suburban, S10, Express and more.
• Compatible with GMC: Sierra, Yukon, Sonoma, Jimmy, Savana and related chassis.
• Compatible with Buick/Cadillac/Pontiac: Century, Regal, LeSabre, Fleetwood, Allante, Grand Am and other listed models.
• Reference numbers include 1S15788, 2724236, 2724256, 6551651 and related OEM IDs.

How do I know this is the right electrical connector?

The A-Premium switch uses a two-pin blade terminal and a female connector interface that matches many GM harnesses. Inspect your vehicle’s existing switch for the same terminal count and blade shape. If the connector and mounting location match, this unit will plug in without splicing.

• Terminal quantity: 2 pins — blade style.
• Terminal gender: male blades on the switch; mates with female harness connector.
• Color/finish: black housing for a factory-like appearance.
• Mounting: OEM-compatible dimensions for direct replacement installation.

What function does a compressor cut-out switch perform?

This switch interrupts compressor operation to prevent damage from unsafe system pressures or electrical faults. It helps avoid clutch and compressor overload by disengaging the compressor when limits are exceeded. The switch is a defensive component, not a performance part, and restores normal cycling when conditions return to safe ranges.

• Protects the compressor clutch and drive system from high pressure or electrical issues.
• Automatically re-enables the compressor once pressure/electrical conditions normalize.
• Acts as part of the vehicle’s overall A/C pressure control and safety strategy.

Is installation difficult for a DIYer?

Installation is generally straightforward if you have a basic set of tools and some mechanical experience. The switch is designed for a plug-and-play swap: unplug the old unit, remove any retaining fastener, and install the new switch in the same orientation. Always disconnect the battery before working on electrical components and follow vehicle-specific steps for safe service.

• Tools typically needed: small wrench or socket, pliers, and safety gloves.
• Simple electrical check: confirm two-pin connector matches before installation.
• When in doubt, consult a service manual or a certified technician for pressure-system work.

Who is this for: The A-Premium A/C compressor cut-out switch is ideal for owners and mechanics restoring or maintaining climate control on older GM vehicles that use a two-pin blade-style switch. It suits DIY restorations, routine A/C repairs, and fleet maintenance where cost-effective, OEM-style replacements are preferred. If your vehicle’s original switch matches the terminal configuration and reference numbers listed, this part provides a reliable, direct replacement option to get the compressor cycling correctly again.