Get a clean, secure electrical connection back at your coolant fan switch with the Standard Ignition Engine Coolant Temperature Sending Unit Switch Connector / Coolant Fan Switch Connector (MPN S-733). This factory-assembled pigtail drops in as a direct-fit replacement for a long list of 1987–2002 GM trucks, vans, and SUVs — including the Chevrolet Blazer, C1500, Silverado 1500, Suburban, and Tahoe plus their GMC C1500, C2500, Jimmy, Savana, and Yukon counterparts. With 82 applications, see the Buyer's Guide tab for the full list.
If a corroded, melted, or broken original connector is behind an intermittent or lost signal at the switch, this pigtail replaces it. Country of origin: Taiwan.
Interchange: PT5713 · 613 · EC220 · 12126025 · Manufacturer part number S-733 (also S733)
This part cross-references / interchanges with the following part numbers:
What does this connector do?
It is the factory-style pigtail that connects the wiring harness to the coolant fan switch / coolant temperature sending unit, providing the electrical link between the harness and the switch.
What is included?
A factory-assembled pigtail assembly with an 8-inch (203.2 mm) lead, a single 16-gauge wire, and one female blade terminal with a push-on attachment. No splice connectors or dust shield are included.
Is it sealed against moisture?
Yes. The connector is weatherproof-sealed and weather-resistant to help maintain a reliable connection.
Will it fit my vehicle?
It is a direct-fit replacement across 82 listed applications, including Chevrolet and GMC trucks, vans, and SUVs from 1987–2002. Check the Buyer's Guide tab to confirm your exact year, make, and model.
Which part numbers does this replace?
It interchanges with PT5713, 613, EC220, and 12126025. The manufacturer part number is S-733.
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.
