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ACDelco U978 Emergency Vehicle Lamp Relay
for 2005 (please select make/model)

ACDelco U978 Emergency Vehicle Lamp Relay - 2005 Image 1

ACDelco U978 Emergency Vehicle Lamp Relay - 2005 Image 2

ACDelco U978 Emergency Vehicle Lamp Relay - 2005 Image 3

ACDelco U978 Emergency Vehicle Lamp Relay - 2005


Brand:	ACDelco
Part Number:	U978
UPC:	00707773134870
Weight:	0.81 lbs
Condition:	New

Availability:	0 in Stock
	OUT OF STOCK

Product Information

Description:

SWITCH S (B)

ACDelco Professional Emergency Vehicle Light Relay is a high quality aftermarket replacement component for one or more of the following vehicle systems: starting and charging. This premium aftermarket motor is manufactured to meet or exceed your expectations for fit, form, and function. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

Manufactured to meet expectations for fit, form, and function
Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco

Specifications:

Connector Gender:

Female

Connector Quantity:

4

Cover Material:

Metal

Mounting Bracket Included:

Yes

Mounting Hardware Included:

No

Mounting Type:

Bracket

Programming Required:

No

Terminal Gender:

Male

Terminal Quantity:

4

Terminal Type:

Ring

Voltage:

12 VDC

Wire Quantity:

0

Country of Origin:

US

Select a vehicle to narrow ACDelco U978 Emergency Vehicle Lamp Relay fitment info!

Last Updated: 03/13/2024

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

1995

1994

1993

1992

1991

1990

1989

1988

1987

1986

1985

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

1995

1994

1993

1992

1991

1990

1989

1988

1987

1986

1985

Chevrolet Astro

4.3L V6 Gas OHV

1

Professional
200 Amp

Chevrolet Astro

4.3L V6 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

1995

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

1995

Chevrolet Blazer

4.3L V6 Gas OHV

1

Professional
200 Amp

Chevrolet Blazer

4.3L V6 Gas OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

Chevrolet Express 1500

4.3L V6 Gas OHV

1

Professional
200 Amp

Chevrolet Express 1500

4.3L V6 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2009

2008

2007

2006

2005

2004

2003

Chevrolet Express 1500

5.3L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Express 1500

5.3L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2009

2008

2007

2006

2005

2004

2003

Chevrolet Express 2500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Express 2500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

Chevrolet Express 2500

4.3L V6 Gas OHV

1

Professional
200 Amp

Chevrolet Express 2500

4.3L V6 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2003

2005

2004

2003

Chevrolet Express 2500

5.3L V8 Gas OHV,
6.0L V8 CNG OHV

1

Professional
200 Amp

Chevrolet Express 2500

5.3L V8 Gas OHV,
6.0L V8 CNG OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2009

2008

2007

2006

2005

2004

2003

Chevrolet Express 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Express 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2003

2005

2004

2003

Chevrolet Express 3500

6.0L V8 CNG OHV

1

Professional
200 Amp

Chevrolet Express 3500

6.0L V8 CNG OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2010

2009

2008

2007

2006

2005

2004

2003

2002

Chevrolet Silverado 1500

5.3L V8 Flex OHV

1

Professional
200 Amp

Chevrolet Silverado 1500

5.3L V8 Flex OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

Chevrolet Silverado 1500

4.3L V6 Gas OHV

1

Professional
200 Amp

Chevrolet Silverado 1500

4.3L V6 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2009

2008

2007

2006

2005

2004

2003

Chevrolet Silverado 1500

6.0L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Silverado 1500

6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

Chevrolet Silverado 1500

4.8L V8 Gas OHV,
5.3L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Silverado 1500

4.8L V8 Gas OHV,
5.3L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2006

2005

2004

Chevrolet Silverado 1500

5.3L V8 FULL HYBRID EV-Gas FHEV OHV

1

Professional
200 Amp

Chevrolet Silverado 1500

5.3L V8 FULL HYBRID EV-Gas FHEV OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2006

2005

Chevrolet Silverado 1500 HD

6.0L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Silverado 1500 HD

6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

1

Professional
200 Amp

Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2003

2002

2001

2006

2005

2004

2003

2002

2001

Chevrolet Silverado 2500 HD

8.1L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Silverado 2500 HD

8.1L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2003

2002

2005

2004

2003

2002

Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV

1

Professional
200 Amp

Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2003

2002

2001

2006

2005

2004

2003

2002

2001

Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Silverado 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2005

2004

Chevrolet Silverado 3500

6.0L V8 CNG OHV

1

Professional
200 Amp

Chevrolet Silverado 3500

6.0L V8 CNG OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2010

2009

2008

2007

2006

2005

2004

2003

2002

Chevrolet Suburban 1500

5.3L V8 Flex OHV

1

Professional
200 Amp

Chevrolet Suburban 1500

5.3L V8 Flex OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

Chevrolet Suburban 1500

5.3L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Suburban 1500

5.3L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

Chevrolet Suburban 2500

6.0L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Suburban 2500

6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2003

2002

2001

2006

2005

2004

2003

2002

2001

Chevrolet Suburban 2500

8.1L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Suburban 2500

8.1L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2010

2009

2008

2007

2006

2005

2004

2003

2002

Chevrolet Tahoe

5.3L V8 Flex OHV

1

Professional
200 Amp

Chevrolet Tahoe

5.3L V8 Flex OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

Chevrolet Tahoe

4.8L V8 Gas OHV,
5.3L V8 Gas OHV

1

Professional
200 Amp

Chevrolet Tahoe

4.8L V8 Gas OHV,
5.3L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

1995

1994

1993

1992

1991

1990

1989

1988

1987

1986

1985

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

1995

1994

1993

1992

1991

1990

1989

1988

1987

1986

1985

GMC Safari

4.3L V6 Gas OHV

1

Professional
200 Amp

GMC Safari

4.3L V6 Gas OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

GMC Savana 1500

4.3L V6 Gas OHV

1

Professional
200 Amp

GMC Savana 1500

4.3L V6 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2009

2008

2007

2006

2005

2004

2003

GMC Savana 1500

5.3L V8 Gas OHV

1

Professional
200 Amp

GMC Savana 1500

5.3L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2009

2008

2007

2006

2005

2004

2003

GMC Savana 2500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV

1

Professional
200 Amp

GMC Savana 2500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

GMC Savana 2500

4.3L V6 Gas OHV

1

Professional
200 Amp

GMC Savana 2500

4.3L V6 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2003

2005

2004

2003

GMC Savana 2500

5.3L V8 Gas OHV,
6.0L V8 CNG OHV

1

Professional
200 Amp

GMC Savana 2500

5.3L V8 Gas OHV,
6.0L V8 CNG OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2009

2008

2007

2006

2005

2004

2003

GMC Savana 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV

1

Professional
200 Amp

GMC Savana 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2003

2005

2004

2003

GMC Savana 3500

6.0L V8 CNG OHV

1

Professional
200 Amp

GMC Savana 3500

6.0L V8 CNG OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2010

2009

2008

2007

2006

2005

2004

2003

2002

GMC Sierra 1500

5.3L V8 Flex OHV

1

Professional
200 Amp

GMC Sierra 1500

5.3L V8 Flex OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

GMC Sierra 1500

4.3L V6 Gas OHV

1

Professional
200 Amp

GMC Sierra 1500

4.3L V6 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2002

2001

2009

2008

2007

2006

2005

2004

2003

2002

2001

GMC Sierra 1500

6.0L V8 Gas OHV

1

Professional
200 Amp

GMC Sierra 1500

6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

GMC Sierra 1500

4.8L V8 Gas OHV,
5.3L V8 Gas OHV

1

Professional
200 Amp

GMC Sierra 1500

4.8L V8 Gas OHV,
5.3L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2006

2005

GMC Sierra 1500

5.3L V8 FULL HYBRID EV-Gas FHEV OHV

1

Professional
200 Amp

GMC Sierra 1500

5.3L V8 FULL HYBRID EV-Gas FHEV OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2006

2005

GMC Sierra 1500 HD

6.0L V8 Gas OHV

1

Professional
200 Amp

GMC Sierra 1500 HD

6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo

1

Professional
200 Amp

GMC Sierra 2500 HD

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2003

2002

2001

2006

2005

2004

2003

2002

2001

GMC Sierra 2500 HD

8.1L V8 Gas OHV

1

Professional
200 Amp

GMC Sierra 2500 HD

8.1L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2003

2002

2005

2004

2003

2002

GMC Sierra 2500 HD

6.0L V8 CNG OHV

1

Professional
200 Amp

GMC Sierra 2500 HD

6.0L V8 CNG OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2003

2002

2001

2006

2005

2004

2003

2002

2001

GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV

1

Professional
200 Amp

GMC Sierra 3500

6.0L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2005

2004

2005

2004

GMC Sierra 3500

6.0L V8 CNG OHV

1

Professional
200 Amp

GMC Sierra 3500

6.0L V8 CNG OHV Professional
200 Amp

1 Per Vehicle

2008

2007

2006

2005

2008

2007

2006

2005

GMC W3500 Forward

5.2L L4 Diesel Turbo

1

Professional
200 Amp

GMC W3500 Forward

5.2L L4 Diesel Turbo Professional
200 Amp

1 Per Vehicle

2008

2007

2006

2005

2004

2008

2007

2006

2005

2004

GMC W3500 Forward

6.0L V8 Gas OHV

1

Professional
200 Amp

GMC W3500 Forward

6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2010

2009

2008

2007

2006

2005

2004

2003

2002

GMC Yukon

5.3L V8 Flex OHV

1

Professional
200 Amp

GMC Yukon

5.3L V8 Flex OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

GMC Yukon

4.8L V8 Gas OHV,
5.3L V8 Gas OHV

1

Professional
200 Amp

GMC Yukon

4.8L V8 Gas OHV,
5.3L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2003

2002

2001

2006

2005

2004

2003

2002

2001

GMC Yukon

6.0L V8 Gas OHV

1

Professional
200 Amp

GMC Yukon

6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2010

2009

2008

2007

2006

2005

2004

2003

2002

2010

2009

2008

2007

2006

2005

2004

2003

2002

GMC Yukon XL 1500

5.3L V8 Flex OHV

1

Professional
200 Amp

GMC Yukon XL 1500

5.3L V8 Flex OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2002

2001

2009

2008

2007

2006

2005

2004

2003

2002

2001

GMC Yukon XL 1500

6.0L V8 Gas OHV

1

Professional
200 Amp

GMC Yukon XL 1500

6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

GMC Yukon XL 1500

5.3L V8 Gas OHV

1

Professional
200 Amp

GMC Yukon XL 1500

5.3L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2009

2008

2007

2006

2005

2004

GMC Yukon XL 2500

6.0L V8 Gas OHV

1

Professional
200 Amp

GMC Yukon XL 2500

6.0L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

2006

2005

2004

2006

2005

2004

GMC Yukon XL 2500

8.1L V8 Gas OHV

1

Professional
200 Amp

GMC Yukon XL 2500

8.1L V8 Gas OHV Professional
200 Amp

1 Per Vehicle

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