Dorman 645-578 | Neutral Safety Switch Connector

Part Number

645-578

4 Wire Multipurpose Connector

Fits: Buick Century, Buick LeSabre, Buick Park Avenue, Buick Rainier, Buick Regal, Buick Riviera, Buick Skylark, Cadillac Escalade, Cadillac Escalade ESV, Cadillac Escalade EXT, Cadillac Seville, Chevrolet Astro, Chevrolet Avalanche 1500, Chevrolet Avalanche 2500, Chevrolet B7, Chevrolet Beretta, Chevrolet Blazer, Chevrolet C1500, Chevrolet C1500 Suburban, Chevrolet C2500, Chevrolet C2500 Suburban, Chevrolet C3500, Chevrolet C3500HD, Chevrolet C4500 Kodiak, Chevrolet C5500 Kodiak, Chevrolet C6500 Kodiak, Chevrolet C7500 Kodiak, Chevrolet C8500, Chevrolet Cavalier, Chevrolet Colorado, Chevrolet Corsica, Chevrolet Corvette, Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Impala, Chevrolet K1500, Chevrolet K1500 Suburban, Chevrolet K2500, Chevrolet K2500 Suburban, Chevrolet K3500, Chevrolet LLV, Chevrolet Lumina, Chevrolet Malibu, Chevrolet Monte Carlo, Chevrolet P30

$30.99

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Details

This neutral safety switch connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

BRAND: Dorman - TECHoice

FEATURES:

Neutral, Safety, Switch, Connector, Switches, Connectors
Ideal solution - this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
PIGTAIL OR SOCKET
Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
General Motors 2006-95
4 Wire Multipurpose Connector
Direct replacement - this neutral safety switch connector matches the appearance and function of the factory hardware on specified applications
Durable construction - this part is made from quality materials to ensure reliable performance and long service life

SPECIFICS:

Package Contents	1 Harness - 3 Butt Connectors
Terminal Gender	Female
Terminal Material	Tin Plate (Tin Brass)
Terminal Type	Blade
Wire Gauge Measurement	18
Wire Quantity	4
Wiring Harness Length	16.14

DOWNLOADS:

INTERCHANGE:

ACDELCO: PT1626
WELLS: 272
AIRTEX: 1P1052
ECHLIN: EC184
STANDARD MOTOR PRODUCTS: S-795
General Motors: 88987185
BWD: PT5684

APPLICATIONS:

2002-2004 GMC Envoy - Position: N/A

4 Wire

1996-1996 Oldsmobile Cutlass Ciera - Position: N/A

4 Wire

1996-2000 Chevrolet K2500 - Position: N/A

4 Wire

1996-1996 Chevrolet Corsica - Position: N/A

4 Wire

2002-2004 GMC Envoy XL - Position: N/A

4 Wire

1995-2002 Chevrolet Monte Carlo - Position: N/A

4 Wire

1995-2005 Pontiac Sunfire - Position: N/A

4 Wire

1996-1999 Oldsmobile 88 - Position: N/A

4 Wire

2002-2003 Chevrolet Avalanche 1500 - Position: N/A

4 Wire

2003-2004 Chevrolet Express 1500 - Position: N/A

4 Wire

1999-2004 Workhorse P42 - Position: N/A

4 Way Female w/Leads

2001-2004 Chevrolet Silverado 2500 - Position: N/A

4 Wire

1996-1999 Chevrolet K2500 Suburban - Position: N/A

4 Wire

1996-2002 Chevrolet C3500HD - Position: N/A

4 Wire

1996-2000 GMC C2500 - Position: N/A

4 Wire

1999-2002 Pontiac Montana - Position: N/A

4 Wire

1995-2004 Chevrolet Blazer - Position: N/A

4 Wire

1997-1998 Pontiac Trans Sport - Position: N/A

4 Wire

2002-2004 Workhorse FasTrack FT1801 - Position: N/A

4 Way Female w/Leads

2001-2003 Chevrolet Corvette - Position: N/A

4 Wire

1999-1999 Pontiac Grand Prix

4 Wire

2001-2003 GMC Sierra 1500 HD - Position: N/A

4 Wire

1996-1999 Chevrolet C1500 - Position: N/A

4 Wire

2001-2003 Chevrolet Silverado 1500 - Position: N/A

4 Wire

2003-2006 GMC C8500 Topkick - Position: N/A

4 Wire

1995-2005 Chevrolet Cavalier - Position: N/A

4 Wire

2003-2004 GMC C5500 Topkick - Position: N/A

4 Wire

1995-1995 Chevrolet LLV - Position: N/A

4 Wire

1996-2002 Buick Century - Position: N/A

4 Wire

2000-2002 Chevrolet Impala - Position: N/A

4 Wire

1996-1999 Chevrolet K1500 - Position: N/A

4 Wire

1997-1999 Oldsmobile Cutlass - Position: N/A

4 Wire

1999-2000 Cadillac Escalade - Position: N/A

4 Wire

1995-1996 Oldsmobile Cutlass Supreme - Position: N/A

4 Wire

2004-2004 Chevrolet Colorado - Position: N/A

4 Wire

2000-2001 Workhorse FasTrack FT1800 - Position: N/A

4 Way Female w/Leads

2001-2004 Chevrolet Silverado 3500 - Position: N/A

4 Wire

2003-2004 Chevrolet Express 2500 - Position: N/A

4 Wire

2000-2004 Workhorse P30 - Position: N/A

4 Way Female w/Leads

2003-2003 Cadillac Escalade ESV - Position: N/A

4 Wire

1996-2004 Oldsmobile Bravada - Position: N/A

4 Wire

1997-2002 Chevrolet Venture - Position: N/A

4 Wire

1996-1999 GMC C1500 - Position: N/A

4 Wire

2002-2004 Workhorse FasTrack FT1461 - Position: N/A

4 Way Female w/Leads

2002-2003 Workhorse FasTrack FT1802 - Position: N/A

4 Way Female w/Leads

2003-2004 GMC Savana 3500 - Position: N/A

4 Wire

2000-2001 Workhorse FasTrack FT1600 - Position: N/A

4 Way Female w/Leads

2002-2004 Chevrolet Avalanche 2500 - Position: N/A

4 Wire

2000-2002 Pontiac Grand Prix - Position: N/A

4 Wire

2001-2006 Chevrolet C6500 Kodiak - Position: N/A

4 Wire

1996-2004 GMC Safari - Position: N/A

4 Wire

1996-1999 GMC K2500 Suburban - Position: N/A

4 Wire

1997-2003 Chevrolet Malibu - Position: N/A

4 Wire

1996-2000 Chevrolet C3500 - Position: N/A

4 Wire

1996-1998 Oldsmobile Achieva - Position: N/A

4 Wire

2001-2004 GMC Sierra 2500 HD - Position: N/A

4 Wire

2004-2005 Chevrolet T7500 - Position: N/A

4 Wire

1996-1999 Buick Riviera - Position: N/A

4 Wire

2004-2004 Workhorse W42 - Position: N/A

4 Way Female w/Leads

1998-1999 Cadillac Seville - Position: N/A

4 Wire

2001-2003 Chevrolet Silverado 1500 HD - Position: N/A

4 Wire

1996-1999 GMC K1500 Suburban - Position: N/A

4 Wire

2002-2004 Workhorse FasTrack FT1061 - Position: N/A

4 Way Female w/Leads

2002-2003 Cadillac Escalade EXT - Position: N/A

4 Wire

1996-2000 Chevrolet K3500 - Position: N/A

4 Wire

1996-1998 Buick Park Avenue - Position: N/A

4 Wire

2003-2004 Chevrolet SSR - Position: N/A

4 Wire

1996-1998 Buick Skylark - Position: N/A

4 Wire

1996-1999 Chevrolet K1500 Suburban - Position: N/A

4 Wire

2000-2001 Workhorse FasTrack FT1260 - Position: N/A

4 Way Female w/Leads

1997-2002 Oldsmobile Silhouette - Position: N/A

4 Wire

1996-1999 GMC C2500 Suburban - Position: N/A

4 Wire

1995-2001 Chevrolet Lumina - Position: N/A

4 Wire

1996-1999 GMC K1500 - Position: N/A

4 Wire

2001-2004 GMC Sierra 2500 - Position: N/A

4 Wire

1996-2000 GMC K3500 - Position: N/A

4 Wire

2004-2004 Workhorse W24 - Position: N/A

4 Way Female w/Leads

2004-2005 GMC T7500 - Position: N/A

4 Wire

2001-2006 Chevrolet C7500 Kodiak - Position: N/A

4 Wire

1996-2002 GMC C3500HD - Position: N/A

4 Wire

2002-2004 Workhorse FasTrack FT1601 - Position: N/A

4 Way Female w/Leads

2000-2002 GMC B7 - Position: N/A

4 Wire

1995-2004 Chevrolet S10 - Position: N/A

4 Wire

1996-2003 GMC Yukon - Position: N/A

4 Wire

1996-1999 GMC C1500 Suburban - Position: N/A

4 Wire

2001-2006 GMC C6500 Topkick - Position: N/A

4 Wire

1998-2002 Oldsmobile Intrigue - Position: N/A

4 Wire

2004-2005 GMC T6500 - Position: N/A

4 Wire

1999-2004 Workhorse P32 - Position: N/A

4 Way Female w/Leads

1996-1999 Chevrolet P30 - Position: N/A

4 Wire

2003-2003 Hummer H2 - Position: N/A

4 Wire

2001-2004 Workhorse W22 - Position: N/A

4 Way Female w/Leads

2004-2004 GMC Canyon - Position: N/A

4 Wire

2003-2004 Workhorse R32 - Position: N/A

4 Way Female w/Leads

1996-2004 Chevrolet Astro - Position: N/A

4 Wire

2001-2003 Chevrolet Suburban 1500 - Position: N/A

4 Wire

2004-2004 Buick Rainier - Position: N/A

4 Wire

1999-2003 Oldsmobile Alero - Position: N/A

4 Wire

1996-1996 Chevrolet Beretta - Position: N/A

4 Wire

2004-2004 GMC Envoy XUV - Position: N/A

4 Wire

2002-2004 Chevrolet Trailblazer EXT - Position: N/A

4 Wire

1996-1999 Chevrolet C2500 Suburban - Position: N/A

4 Wire

1995-2001 GMC Jimmy - Position: N/A

4 Wire

1995-2002 Buick Regal - Position: N/A

4 Wire

2001-2004 Chevrolet Silverado 2500 HD - Position: N/A

4 Wire

1996-2003 Pontiac Grand Am - Position: N/A

4 Wire

2002-2004 Workhorse FasTrack FT1261 - Position: N/A

4 Way Female w/Leads

2003-2004 Chevrolet C5500 Kodiak - Position: N/A

4 Wire

2001-2006 GMC C7500 Topkick - Position: N/A

4 Wire

1995-2004 GMC Sonoma - Position: N/A

4 Wire

2003-2004 GMC Savana 2500 - Position: N/A

4 Wire

1996-2000 GMC C3500 - Position: N/A

4 Wire

2002-2004 Chevrolet Trailblazer - Position: N/A

4 Wire

2001-2004 Workhorse W20 - Position: N/A

4 Way Female w/Leads

2001-2004 Chevrolet Suburban 2500 - Position: N/A

4 Wire

2001-2003 GMC Sierra 1500 - Position: N/A

4 Wire

1996-2000 GMC K2500 - Position: N/A

4 Wire

2001-2004 GMC Sierra 3500 - Position: N/A

4 Wire

2003-2004 GMC C4500 Topkick - Position: N/A

4 Wire

2003-2004 GMC Savana 1500 - Position: N/A

4 Wire

1996-2003 Chevrolet Tahoe - Position: N/A

4 Wire

2004-2005 Chevrolet T6500 - Position: N/A

4 Wire

1996-1999 GMC P3500 - Position: N/A

4 Wire

2001-2004 GMC Yukon XL 2500 - Position: N/A

4 Wire

1996-1996 Oldsmobile 98 - Position: N/A

4 Wire

2001-2003 GMC Yukon XL 1500 - Position: N/A

4 Wire

1997-1999 Buick LeSabre - Position: N/A

4 Wire

2003-2003 Chevrolet C8500 - Position: N/A

4 Wire

1996-2000 Chevrolet C2500 - Position: N/A

4 Wire

2000-2002 Chevrolet B7 - Position: N/A

4 Wire

2002-2003 Cadillac Escalade - Position: N/A

4 Wire

2003-2004 Chevrolet C4500 Kodiak - Position: N/A

4 Wire

2000-2002 Workhorse FasTrack FT1460 - Position: N/A

4 Way Female w/Leads

1996-1999 Chevrolet C1500 Suburban - Position: N/A

4 Wire

2002-2003 Workhorse FasTrack FT931 - Position: N/A

4 Way Female w/Leads

1996-1999 Pontiac Bonneville - Position: N/A

4 Wire

1995-1998 Pontiac Grand Prix - Position: N/A

4 Wire

2003-2004 Chevrolet Express 3500 - Position: N/A

4 Wire

Product Questions (3)

Customer Questions

Can I use Dorman parts to replace OEM parts?

Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.

How do I install Dorman shift linkage bushing?

To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.

Where is Dorman manufactured?

Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.