Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009
JOIN GEARS TO SAVE 5%
Shop All Brands Shop All Vehicles

  2. Auto Parts
  3. Lighting and Electrical
  4. Relays
  5. Horn Relay
  6. ACDelco D1749C

ACDelco D1749C Multi Purpose Relay

ACDelco D1749C Multi Purpose Relay

ACDelco
Brand:ACDelco
Part Number: D1749C
UPC: 00021625991771
Weight: 0.88 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco D1749C Multi Purpose Relay for your vehicle. Buy now and secure your purchase online!

An ACDelco Professional, premium aftermarket Horn Relay is a high quality replacement for many vehicles on the road today. It operates your vehicle's horn. This premium aftermarket replacement horn relay is manufactured to meet your expectations for fit, form, and function. WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Through our GM Original Equipment and Professional, premium aftermarket product lines, we provide ignition system and switch products for all models of GM vehicles on the road today. With ACDelco Ignition System and Switch products you can rest assured that your vehicle is receiving high quality parts engineered for long lasting performance, durability, and dependability.

ACDelco offers a full line of Professional, premium aftermarket Ignition System and Switch products for all makes of GM vehicles on the road today. Professional distributor caps and rotors, ignition coils, ignition modules, sensors, relays, switches, and voltage regulators are all designed to replace your worn equipment while providing precise fit, form, and function for your vehicle. ACDelco Professional, premium aftermarket Ignition System and Switch products deliver the high quality you expect from ACDelco while providing the durability and dependability that your vehicle needs.

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
  • Having your service technician regularly inspect your ignition system can help you stay away from conditions that may result in poor performance or reduced fuel economy.

Specifications:

Amperage Rating:
20 Ampere
Connector Gender:
Male
Connector Quantity:
3
Continuous Duty:
No
Cover Material:
Metal
Mounting Bracket Included:
Yes
Mounting Hardware Included:
No
Mounting Type:
Bolt
Terminal Gender:
Male
Terminal Quantity:
3
Terminal Type:
Blade
Voltage:
12 Volts (Direct Current)

Manufacturer Warranty:

24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.

Select a vehicle to narrow ACDelco D1749C Multi Purpose Relay fitment info!

Last Updated: 02/25/2022

Years Vehicle Per Vehicle Fit NotesFitment Notes

1968

 

1967

 

1966

 

1965

 

1968

 

1967

 

1966

 

1965

 
Buick Electra

7.0L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Electra



7.0L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1967

 

1966

 

1967

 

1966

 
Buick Electra

7.0L V8 Gas
1
 
Horn Relay
Professional
 

Buick Electra



7.0L V8 Gas Horn Relay
Professional

1 Per Vehicle

1966

 

1966

 
Buick Electra

6.6L V8 Gas
1
 
Horn Relay
Professional
 

Buick Electra



6.6L V8 Gas Horn Relay
Professional

1 Per Vehicle

1966

 

1965

 

1966

 

1965

 
Buick Electra

6.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Electra



6.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1967

 

1967

 
Buick Gran Sport

5.6L V8 Gas OHV,
6.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Gran Sport



5.6L V8 Gas OHV,
6.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1966

 

1965

 

1966

 

1965

 
Buick Gran Sport

6.6L V8 Gas
1
 
Horn Relay
Professional
 

Buick Gran Sport



6.6L V8 Gas Horn Relay
Professional

1 Per Vehicle

1968

 

1968

 
Buick GS 350

5.7L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick GS 350



5.7L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1968

 

1968

 
Buick GS 400

6.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick GS 400



6.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1968

 

1968

 
Buick LeSabre

5.7L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick LeSabre



5.7L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1967

 

1966

 

1967

 

1966

 
Buick LeSabre

5.6L V8 Gas,
5.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick LeSabre



5.6L V8 Gas,
5.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1965

 

1965

 
Buick LeSabre

4.9L V8 Gas,
4.9L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick LeSabre



4.9L V8 Gas,
4.9L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1968

 

1967

 

1966

 

1965

 

1968

 

1967

 

1966

 

1965

 
Buick Riviera

7.0L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Riviera



7.0L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1966

 

1965

 

1966

 

1965

 
Buick Riviera

7.0L V8 Gas
1
 
Horn Relay
Professional
 

Buick Riviera



7.0L V8 Gas Horn Relay
Professional

1 Per Vehicle

1965

 

1965

 
Buick Riviera

6.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Riviera



6.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1968

 

1968

 
Buick Skylark

4.1L L6 Gas OHV,
5.7L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Skylark



4.1L L6 Gas OHV,
5.7L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1968

 

1967

 

1968

 

1967

 
Buick Skylark

6.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Skylark



6.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1967

 

1966

 

1967

 

1966

 
Buick Skylark

5.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Skylark



5.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1967

 

1966

 

1965

 

1967

 

1966

 

1965

 
Buick Skylark

3.7L V6 Gas OHV,
4.9L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Skylark



3.7L V6 Gas OHV,
4.9L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1966

 

1965

 

1966

 

1965

 
Buick Skylark

6.6L V8 Gas
1
 
Horn Relay
Professional
 

Buick Skylark



6.6L V8 Gas Horn Relay
Professional

1 Per Vehicle

1968

 

1968

 
Buick Special

4.1L L6 Gas OHV,
5.7L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Special



4.1L L6 Gas OHV,
5.7L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1967

 

1966

 

1967

 

1966

 
Buick Special

5.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Special



5.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1967

 

1966

 

1965

 

1967

 

1966

 

1965

 
Buick Special

3.7L V6 Gas OHV,
4.9L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Special



3.7L V6 Gas OHV,
4.9L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1968

 

1968

 
Buick Sportwagon

5.7L V8 Gas OHV,
6.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Sportwagon



5.7L V8 Gas OHV,
6.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1967

 

1966

 

1967

 

1966

 
Buick Sportwagon

5.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Sportwagon



5.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1965

 

1965

 
Buick Sportwagon

4.9L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Sportwagon



4.9L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1968

 

1967

 

1966

 

1965

 

1968

 

1967

 

1966

 

1965

 
Buick Wildcat

7.0L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Wildcat



7.0L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1967

 

1966

 

1965

 

1967

 

1966

 

1965

 
Buick Wildcat

7.0L V8 Gas
1
 
Horn Relay
Professional
 

Buick Wildcat



7.0L V8 Gas Horn Relay
Professional

1 Per Vehicle

1966

 

1965

 

1966

 

1965

 
Buick Wildcat

6.6L V8 Gas,
6.6L V8 Gas OHV
1
 
Horn Relay
Professional
 

Buick Wildcat



6.6L V8 Gas,
6.6L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1973

 

1973

 
Chevrolet Chevelle

4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Tailgate Relay
Professional
 

Chevrolet Chevelle



4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV Tailgate Relay
Professional

1 Per Vehicle

1973

 

1973

 
Chevrolet Chevelle

4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Trunk Lid Release Relay
Professional
 

Chevrolet Chevelle



4.1L L6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV Trunk Lid Release Relay
Professional

1 Per Vehicle

1975

 

1974

 

1973

 

1975

 

1974

 

1973

 
Chevrolet El Camino

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Tailgate Relay
Professional
 

Chevrolet El Camino



4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV Tailgate Relay
Professional

1 Per Vehicle

1973

 

1973

 
Chevrolet El Camino

5.0L V8 Gas OHV
1
 
Tailgate Relay
Professional
 

Chevrolet El Camino



5.0L V8 Gas OHV Tailgate Relay
Professional

1 Per Vehicle

1975

 

1974

 

1975

 

1974

 
Chevrolet Laguna

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Tailgate Relay
Professional
 

Chevrolet Laguna



5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV Tailgate Relay
Professional

1 Per Vehicle

1974

 

1974

 
Chevrolet Laguna

7.4L V8 Gas
1
 
Tailgate Relay
Professional
 

Chevrolet Laguna



7.4L V8 Gas Tailgate Relay
Professional

1 Per Vehicle

1975

 

1974

 

1973

 

1975

 

1974

 

1973

 
Chevrolet Malibu

4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
Tailgate Relay
Professional
 

Chevrolet Malibu



4.1L L6 Gas OHV,
5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.4L V8 Gas OHV Tailgate Relay
Professional

1 Per Vehicle

1973

 

1973

 
Chevrolet Malibu

5.0L V8 Gas OHV
1
 
Tailgate Relay
Professional
 

Chevrolet Malibu



5.0L V8 Gas OHV Tailgate Relay
Professional

1 Per Vehicle

1966

 

1966

 
Pontiac Tempest

3.8L L6 Gas SOHC,
5.3L V8 Gas OHV
1
 
Horn Relay
Professional
 

Pontiac Tempest



3.8L L6 Gas SOHC,
5.3L V8 Gas OHV Horn Relay
Professional

1 Per Vehicle

1965

 

1965

 
Pontiac Tempest

3.5L L6 Gas OHV,
3.8L L6 Gas SOHC,
5.3L V8 Gas OHV
1
 
Horn Relay
Professional
w/ U.S. Emissions
 

Pontiac Tempest



3.5L L6 Gas OHV,
3.8L L6 Gas SOHC,
5.3L V8 Gas OHV Horn Relay
Professional
w/ U.S. Emissions

1 Per Vehicle