Dorman 645-564 Turn Signal Switch Connector

Name: Dorman 645-564 Turn Signal Switch Connector
Brand: Dorman
SKU: BKLB-645-564
Price: 73.23 USD
Availability: OutOfStock

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89 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Chevrolet, Cadillac, and Saturn, Corvette, STS, SC1, SC2, SL, SL1, SL2, SW2, SW1, and SC

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Reliable Turn Signal Switch Connector for Cadillac, Chevrolet, and Saturn

The Dorman 645-564 Turn Signal Switch Connector is designed to provide a secure and efficient electrical connection for your vehicle's turn signal system. Compatible with select Cadillac, Chevrolet, and Saturn models, this connector ensures consistent performance and durability.

Wire gauge measurement: 20 AWG for optimal current handling
Terminal types: Aspa and blade for versatile connectivity
Terminal gender: Female (Hembra) for proper fitment
Terminal material: Tin brass for corrosion resistance and conductivity
Package includes 1 harness and 3 butt connectors for complete installation
Wire quantity: 3 wires to match factory wiring harnesses

Technical Details and Compatibility

The Dorman 645-564 connector features a 20-gauge wire size, suitable for the electrical load of turn signal circuits in vehicles such as the Cadillac STS, Chevrolet Corvette, and Saturn SC series (SC, SC1, SC2, SL, SL1, SL2, SW1, SW2). The combination of Aspa and blade terminal types with female terminals ensures a secure and reliable connection that matches OEM specifications. Constructed from tin-plated brass, the terminals resist corrosion and maintain electrical conductivity over time. The package includes a harness and three butt connectors, facilitating a straightforward repair or replacement process.

Applications and Problem Resolution

Restores faulty or damaged turn signal switch connections
Eliminates intermittent turn signal operation caused by poor wiring contacts
Replaces corroded or worn terminals to improve electrical flow
Supports repair of wiring harnesses in Cadillac STS, Chevrolet Corvette, and Saturn SC models
Ensures compliance with factory wiring standards for turn signal circuits

Installation Notes and Tips

Verify vehicle compatibility with the Dorman 645-564 part number before installation
Use proper crimping tools to secure butt connectors for reliable connections
Inspect existing wiring for damage and replace as necessary to prevent future issues
Follow vehicle-specific wiring diagrams to ensure correct terminal connections
Test turn signal operation after installation to confirm functionality

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring dependable performance. The 645-564 Turn Signal Switch Connector is backed by Dorman's quality assurance processes. Please refer to Dorman's official warranty policy for specific coverage details.

This part fits 89 vehicles. Search below:

Year	Make	Model	Position
2013	Chevrolet	Corvette	N/A
2012	Chevrolet	Corvette	N/A
2011	Cadillac	STS	N/A
2011	Chevrolet	Corvette	N/A
2010	Cadillac	STS	N/A
2010	Chevrolet	Corvette	N/A
2009	Cadillac	STS	N/A
2009	Chevrolet	Corvette	N/A
2008	Cadillac	STS	N/A
2008	Chevrolet	Corvette	N/A
2007	Cadillac	STS	N/A
2007	Chevrolet	Corvette	N/A
2006	Cadillac	STS	N/A
2006	Chevrolet	Corvette	N/A
2005	Cadillac	STS	N/A
2002	Saturn	SC1	N/A
2002	Saturn	SC2	N/A
2002	Saturn	SL	N/A
2002	Saturn	SL1	N/A
2002	Saturn	SL2	N/A
2001	Saturn	SC1	N/A
2001	Saturn	SC2	N/A
2001	Saturn	SL	N/A
2001	Saturn	SL1	N/A
2001	Saturn	SL2	N/A
2001	Saturn	SW2	N/A
2000	Saturn	SC1	N/A
2000	Saturn	SC2	N/A
2000	Saturn	SL	N/A
2000	Saturn	SL1	N/A
2000	Saturn	SL2	N/A
2000	Saturn	SW2	N/A
1999	Saturn	SC1	N/A
1999	Saturn	SC2	N/A
1999	Saturn	SL	N/A
1999	Saturn	SL1	N/A
1999	Saturn	SL2	N/A
1999	Saturn	SW1	N/A
1999	Saturn	SW2	N/A
1998	Saturn	SC1	N/A
1998	Saturn	SC2	N/A
1998	Saturn	SL	N/A
1998	Saturn	SL1	N/A
1998	Saturn	SL2	N/A
1998	Saturn	SW1	N/A
1998	Saturn	SW2	N/A
1997	Saturn	SC1	N/A
1997	Saturn	SC2	N/A
1997	Saturn	SL	N/A
1997	Saturn	SL1	N/A
1997	Saturn	SL2	N/A
1997	Saturn	SW1	N/A
1997	Saturn	SW2	N/A
1996	Saturn	SC1	N/A
1996	Saturn	SC2	N/A
1996	Saturn	SL	N/A
1996	Saturn	SL1	N/A
1996	Saturn	SL2	N/A
1996	Saturn	SW1	N/A
1996	Saturn	SW2	N/A
1995	Saturn	SC1	N/A
1995	Saturn	SC2	N/A
1995	Saturn	SL	N/A
1995	Saturn	SL1	N/A
1995	Saturn	SL2	N/A
1995	Saturn	SW1	N/A
1995	Saturn	SW2	N/A
1994	Saturn	SC1	N/A
1994	Saturn	SC2	N/A
1994	Saturn	SL	N/A
1994	Saturn	SL1	N/A
1994	Saturn	SL2	N/A
1994	Saturn	SW1	N/A
1994	Saturn	SW2	N/A
1993	Saturn	SC1	N/A
1993	Saturn	SC2	N/A
1993	Saturn	SL	N/A
1993	Saturn	SL1	N/A
1993	Saturn	SL2	N/A
1993	Saturn	SW1	N/A
1993	Saturn	SW2	N/A
1992	Saturn	SC	N/A
1992	Saturn	SL	N/A
1992	Saturn	SL1	N/A
1992	Saturn	SL2	N/A
1991	Saturn	SC	N/A
1991	Saturn	SL	N/A
1991	Saturn	SL1	N/A
1991	Saturn	SL2	N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

121017621P1523891PT5942S-1065

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.