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Dorman 645-681 Turn Signal Light Connector
Dorman 645-681 Turn Signal Light Connector
Dorman 645-681 is a turn signal light connector pigtail for electrical repair and accessory installation work. It is built for a clean installed appearance and uses weatherproof terminals plus a locking tab for a secure quick-disconnect connection.
Key Features
- Turn signal light connector pigtail for electrical connector repair
- 17.5 in. wiring harness length for routing and replacement needs
- 20-gauge wire for light-duty automotive electrical circuits
- Clavija and pin terminal design for a direct connector repair
- Weatherproof terminals help protect the connection at the harness end
- Locking tab supports a reliable quick-disconnect connection
Detailed Description
This Dorman 645-681 connector is a practical replacement for damaged, corroded, or broken turn signal wiring ends. It is also used on select headlight connector applications, including Chevrolet Cobalt, Chevrolet HHR, Pontiac G5, and other GM vehicles listed below. The 6-way female connector with leads supports clean electrical repair work where the original connector housing or terminals have failed. This part cross-references Standard Ignition S-1647 for the same application.
Compatible With 2005-2010 Chevrolet Cobalt, 2006-2010 Chevrolet HHR, and 2007-2009 Pontiac G5, this connector also applies to multiple Chevrolet, GMC, Pontiac, Buick, and Oldsmobile models from 1997-2010. The Dorman 645-681 part number is commonly searched for GM connector repair, turn signal connector replacement, and pigtail wiring repair.
What It Is Used For
- Repairing a melted, cracked, or loose turn signal connector
- Restoring intermittent lighting caused by damaged terminals
- Replacing a corroded connector at the harness end
- Fixing poor electrical contact in a 6-way female connector
- Addressing wiring damage during headlight or signal service
Installation Notes and Tips
Match the connector style, terminal layout, and wire gauge to the original harness before installation. Verify the vehicle application by year, make, and model, especially on Chevrolet Cobalt, Chevrolet HHR, and Pontiac G5 listings. Use proper automotive electrical repair practices when splicing or terminating the harness to maintain a secure connection and weather resistance.
Quality Assurance
Dorman manufactures replacement electrical components for direct-fit repair applications. The 645-681 connector is built with weatherproof terminals and a locking tab to support dependable service in automotive lighting and electrical repairs.
This part fits 92 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Chevrolet | Cobalt | N/A | Black; 6 Way; Female w/Leads | |
| 2010 | Chevrolet | HHR | N/A | Black; 6 Way; Female w/Leads | |
| 2009 | Chevrolet | Cobalt | N/A | Black; 6 Way; Female w/Leads | |
| 2009 | Chevrolet | HHR | N/A | Black; 6 Way; Female w/Leads | |
| 2009 | Pontiac | G5 | N/A | Black; 6 Way; Female w/Leads | |
| 2008 | Chevrolet | Cobalt | N/A | Black; 6 Way; Female w/Leads | |
| 2008 | Chevrolet | HHR | N/A | Black; 6 Way; Female w/Leads | |
| 2008 | Pontiac | G5 | N/A | Black; 6 Way; Female w/Leads | |
| 2007 | Chevrolet | Cobalt | N/A | Black; 6 Way; Female w/Leads | |
| 2007 | Chevrolet | HHR | N/A | Black; 6 Way; Female w/Leads | |
| 2007 | Pontiac | G5 | N/A | Black; 6 Way; Female w/Leads | |
| 2006 | Chevrolet | Cobalt | N/A | Black; 6 Way; Female w/Leads | |
| 2006 | Chevrolet | HHR | N/A | Black; 6 Way; Female w/Leads | |
| 2005 | Chevrolet | Classic | N/A | ||
| 2005 | Chevrolet | Cobalt | N/A | Black; 6 Way; Female w/Leads | |
| 2005 | Pontiac | Grand Am | N/A | ||
| 2005 | Pontiac | Montana | Base | N/A | |
| 2004 | Chevrolet | Classic | N/A | ||
| 2004 | Oldsmobile | Alero | N/A | ||
| 2004 | Oldsmobile | Silhouette | N/A | ||
| 2004 | Pontiac | Grand Am | N/A | ||
| 2004 | Pontiac | Montana | N/A | ||
| 2003 | Chevrolet | Malibu | N/A | ||
| 2003 | Oldsmobile | Alero | N/A | ||
| 2003 | Oldsmobile | Silhouette | N/A | ||
| 2003 | Pontiac | Grand Am | N/A | ||
| 2003 | Pontiac | Montana | N/A | ||
| 2002 | Chevrolet | Avalanche 2500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | Chevrolet | Malibu | N/A | ||
| 2002 | Chevrolet | Silverado 1500 HD | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | Chevrolet | Silverado 2500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | Chevrolet | Silverado 2500 HD | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | Chevrolet | Silverado 3500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | Chevrolet | Suburban 1500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | Chevrolet | Suburban 2500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | GMC | Sierra 1500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | GMC | Sierra 1500 HD | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | GMC | Sierra 2500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | GMC | Sierra 2500 HD | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | GMC | Sierra 3500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | GMC | Yukon | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | GMC | Yukon XL 1500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | GMC | Yukon XL 2500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2002 | Oldsmobile | Alero | N/A | ||
| 2002 | Oldsmobile | Silhouette | N/A | ||
| 2002 | Pontiac | Grand Am | N/A | ||
| 2002 | Pontiac | Montana | N/A | ||
| 2001 | Chevrolet | Malibu | N/A | ||
| 2001 | Chevrolet | Silverado 1500 HD | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | Chevrolet | Silverado 2500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | Chevrolet | Silverado 2500 HD | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | Chevrolet | Silverado 3500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | Chevrolet | Suburban 1500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | Chevrolet | Suburban 2500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | Chevrolet | Tahoe | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | GMC | Sierra 1500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | GMC | Sierra 2500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | GMC | Sierra 2500 HD | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | GMC | Sierra 3500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | GMC | Yukon | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | GMC | Yukon XL 1500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | GMC | Yukon XL 2500 | N/A | Black; Inline to Headlight Connector; 6 Way; Female w/Leads | |
| 2001 | Oldsmobile | Alero | N/A | ||
| 2001 | Oldsmobile | Silhouette | N/A | ||
| 2001 | Pontiac | Grand Am | N/A | ||
| 2001 | Pontiac | Montana | N/A | ||
| 2000 | Chevrolet | Malibu | N/A | ||
| 2000 | Oldsmobile | Alero | N/A | ||
| 2000 | Oldsmobile | Silhouette | N/A | ||
| 2000 | Pontiac | Grand Am | N/A | ||
| 2000 | Pontiac | Montana | N/A | ||
| 1999 | Chevrolet | Malibu | N/A | ||
| 1999 | Oldsmobile | Alero | N/A | ||
| 1999 | Oldsmobile | Cutlass | N/A | ||
| 1999 | Oldsmobile | Silhouette | N/A | ||
| 1999 | Pontiac | Grand Am | N/A | ||
| 1999 | Pontiac | Montana | N/A | ||
| 1999 | Pontiac | Trans Sport | N/A | ||
| 1998 | Buick | Skylark | N/A | ||
| 1998 | Chevrolet | Malibu | N/A | ||
| 1998 | Oldsmobile | Achieva | N/A | ||
| 1998 | Oldsmobile | Cutlass | N/A | ||
| 1998 | Oldsmobile | Silhouette | N/A | ||
| 1998 | Pontiac | Grand Am | N/A | ||
| 1998 | Pontiac | Trans Sport | N/A | ||
| 1997 | Buick | Skylark | N/A | ||
| 1997 | Chevrolet | Malibu | N/A | ||
| 1997 | Oldsmobile | Achieva | N/A | ||
| 1997 | Oldsmobile | Cutlass | N/A | ||
| 1997 | Oldsmobile | Silhouette | N/A | ||
| 1997 | Pontiac | Grand Am | N/A | ||
| 1997 | Pontiac | Trans Sport | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.