Standard Ignition A/C Compressor Connector,A/C Compressor Switch Connector P/N:S-538
Give your A/C cycling switch a fresh, secure connection with the Standard Ignition A/C Cycling Switch Connector, part number S-536. This factory-assembled pigtail is a replacement for the listed applications and fits many vehicles, including the 1999-2013 Chevrolet Silverado 1500, 1985-2005 Chevrolet Astro and 2003-2013 Cadillac CTS. See the Buyer's Guide tab for the full list. It is also listed as an A/C clutch cycle switch connector and an A/C compressor connector.
The A/C cycling switch turns the compressor clutch on and off. This connector is the plug that joins that switch to the vehicle's wiring.
Specifications: Round plastic connector with 2 metal blade terminals. It has 2 wires in 18 gauge and a push-on attachment. The wiring harness is included. Splice connectors and a dust shield are not included. The package holds one connector, and the listed applications use one. Country of origin: Taiwan.
Signs this connector may need replacing include a cracked, melted or brittle connector body, corroded or loose terminals, damaged pigtail wires, or a compressor clutch that engages intermittently. If a damaged connector is the cause, the S-536 replaces the plug and pigtail. Diagnose the A/C system before replacing parts, and follow the vehicle service information for joining the pigtail leads.
Interchange: PT760 · 230 · ACC200
This part cross-references / interchanges with the following part numbers:
What does the Standard Ignition S-536 connect to?
It is the wiring connector for the A/C cycling switch on the listed applications. It provides a new plug with an attached pigtail harness to replace a damaged original connector.
How many wires and terminals does the S-536 have?
It has 2 wires in 18 gauge and 2 metal blade terminals. They sit in a round plastic connector that attaches by pushing on.
Are splice connectors included?
No. The wiring harness is included, but splice connectors and a dust shield are not. Join the leads using the method called for in your vehicle's service information.
How many connectors do I need?
The listed applications use one connector, and the package contains one.
Will the S-536 fit my vehicle?
It fits many vehicles, including Buick, Cadillac and Chevrolet models. Check your exact year, make and model in the Buyer's Guide tab.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.