1978 GMC Suburban Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Wiring & Cables
- Replacement Gauges
- Power + Heated Seats
- Cruise Control
- Horns
- Door Lock Actuators + Switches
- Window Motors + Switches
- Alternators
- Starters
- Batteries
- Voltage Regulators
- A/C Relays, Sensors
- Fuel Sensors & Switches
- Cooling System Switches, Sensors & Relays
- Oxygen Sensors
- Engine Sensors, Relays, Switches & Connectors
- Solenoids, Sensors, Switches, Control Units
- Relays, Cables & Connectors
- Steering Valves, Relays & Sensors
- Mass Air Flow Sensors
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Original Engine Management®Headlight SwitchGMC Suburban 1978, Headlight Switch by Original Engine Management®. Connector Type: 7 Blade Male Terminals. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense...Made to deliver trouble-free operation for years aheadManufactured with cutting-edge technology$17.26 - United Motor Products®Side Marker Light SocketGMC Suburban 1978, Side Marker Light Socket by United Motor Products®. Finish: Cream and White. Size: 1". Shape: Straight. Wire Quantity: 2. 180 Degrees. Looking to maintain the top condition of your electrical system? We are ready to...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$2.49
- WVE®Headlight RelayGMC C15 Suburban / C25 Suburban 1978, Headlight Relay by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality....Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$8.82
- Dorman®Conduct-Tite™ Headlight ConnectorGMC Suburban 1978, Conduct-Tite™ Headlight Connector by Dorman®. With 3 Wires. With insulation that’s as secure as it is durable, Dorman’s Pigtail Headlight Connector prevents the corrosion, overheating, and melting that commonly...Direct replacement for ease of installationSave time and expense by replacing only the connector, not the entire harness$1.98
- ACDelco®Professional™ Headlight ConnectorGMC Suburban 1978, Professional™ Headlight Connector by ACDelco®. Finish: Gray. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium replacement...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.55Save: $0.98 (15%)$5.57
- WVE®Accessory Power Receptacle ConnectorGMC Suburban 1978, Accessory Power Receptacle Connector by WVE®. Black Connector. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$4.35
- WVE®Horn RelayGMC C15 Suburban / C25 Suburban 1978, Horn Relay by WVE®. Plastic Relay. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$8.82
- ACDelco®Professional™ Headlight Dimmer Switch ConnectorGMC Suburban 1978, Professional™ Headlight Dimmer Switch Connector by ACDelco®. Finish: Black. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.74 - $32.90Save: 15%$6.58 - $27.96
- ACDelco®Professional™ Headlight Switch ConnectorGMC Suburban 1978, Professional™ Headlight Switch Connector by ACDelco®. Finish: Black.$32.90Save: $4.94 (15%)$27.96
- ACDelco®Professional™ Tail Light SocketGMC Suburban 1978, Professional™ Tail Light Socket by ACDelco®. With Recessed Insert. Finish: White. Length: 39.8mm. Socket Type: Straight. Looking to maintain the top condition of your electrical system? We are ready to help you!...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.50Save: $2.17 (15%)$12.33
- Dorman®Conduct-Tite™ High Temperature Headlight Standard SocketGMC Suburban With High Temperature Socket 1978, Conduct-Tite™ High Temperature Headlight Standard Socket by Dorman®. Length: 7" with Wire (1" Without Wire). Make better electrical repairs and accessory installations with this pigtail...Professional appearance - this electrical pigtail is designed for a clean, professional look when installedConvenient solution - this pigtail connector allows the circuit to be quickly disconnected for service or occasional use$8.87
- Dorman®TECHoice™ Headlight Switch Light SocketGMC Suburban 1978, TECHoice™ Headlight Switch Light Socket by Dorman®. Engagement of the four-wheel drive system is crucial during slick weather conditions. Dorman provides you with the security of knowing that your switch will...Easy installation; just plug it in to the mating componentDirect replacement matches original design$8.62
- Standard®Back Up Light SocketGMC C15 Suburban 1978, Back Up Light Socket by Standard®. Straight. Finish: Black/Green. Harness Length: 17". Wire Quantity: 2. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest...Offering hundreds of high-quality pigtails and sockets for nearly every electrical jobUtilizing high grade materials to ensure peak conductivity and perfect connections$7.69
- Standard®Brake Light RelayGMC Suburban 1978, Brake Light Relay by Standard®. Finish: Silver. Voltage: 12 V. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...High quality composite housings protect against harsh temperatures and severe under hood conditionsFeaturing brass or copper contacts where specified for extended wear$58.11
- Standard®Emergency Vehicle Lamp RelayGMC Suburban 1978, Emergency Vehicle Lamp Relay by Standard®. Amperage: 200 Amp. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...Standard starter solenoids contain heavy-duty copper contacts that reduce the effect of arcing and extend solenoid lifeStandard starter solenoids have more pure copper windings than found on most vehicles to create a stronger magnetic field$125.49
- Standard®Emergency Vehicle Light RelayGMC Suburban 1978, Emergency Vehicle Light Relay by Standard®. Amperage: 75 Amp. Looking to maintain the top condition of your electrical system? They are ready to help you! Just choose from their immense selection of premium...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$47.06
- Standard®Flasher ConnectorGMC Suburban 1978, Flasher Connector by Standard®. Finish: Red. Harness Length: 18". Wire Quantity: 2. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive...Offering hundreds of high-quality pigtails and sockets for nearly every electrical jobUtilizing high grade materials to ensure peak conductivity and perfect connections$23.54
- Standard®Handypack™ Dimmer Switch ConnectorGMC C15 Suburban / C25 Suburban / K15 Suburban / K25... 1978, Handypack™ Dimmer Switch Connector by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...Premium parts you can rely onDesigned to restore functionality$3.37 - $15.11
- Standard®Hazard Warning RelayGMC Suburban 1978, Hazard Warning Relay by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity...Premium parts you can rely onDesigned to restore functionality$20.37
- Standard®Headlight Dimmer Switch ConnectorGMC Suburban 1978, Headlight Dimmer Switch Connector by Standard®. Finish: Black. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...Offering hundreds of high-quality pigtails and sockets for nearly every electrical jobUtilizing high grade materials to ensure peak conductivity and perfect connections$3.73 - $22.78
- Standard®Headlight Wiring HarnessGMC Suburban 1978, Headlight Wiring Harness by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Premium parts you can rely onDesigned to restore functionality$24.39
- Standard®Tru-Tech™ Emergency Vehicle Lamp RelayGMC Suburban 1978, Tru-Tech™ Emergency Vehicle Lamp Relay by Standard®. With 4 Threaded Studs. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive...Standard T-Series solenoids feature copper windings for a strong magnetic field to ensure reliable operationHigh quality terminal studs eliminate stripping and provide full power delivery to ensure that all Standard T-Series starter solenoids perform like the original$17.31
- Standard®Turn Signal Switch ConnectorGMC Suburban 1978, Turn Signal Switch Connector by Standard®. Finish: Black. Harness Length: 8". Wire Quantity: 10. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality...Premium parts you can rely onDesigned to restore functionality$84.95
- WVE®Headlight Switch ConnectorGMC Suburban 1978, Headlight Switch Connector by WVE®. L Shaped. Black Connector. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$16.68
- Diode Dynamics®Inline ResistorGMC C25 Suburban / K25 Suburban 1978, Inline Resistor by Diode Dynamics®. Quantity: 2 Pieces. This is a pair of inline resistors, designed for use with 194, 168, or 921 size bulb applications. Each resistor draws 5 watts of power, the...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$10.00
- United Motor Products®Combination Switch ConnectorGMC Suburban 1978, Combination Switch Connector by United Motor Products®. 3 Terminals Female. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$3.13
- Standard®Electrical ConnectorGMC Suburban 1978, Electrical Connector by Standard®. For over 100 years, professional technicians have trusted Standard® to replace the failed OE part. Standard® manufacturers the highest-quality, best-performing parts for all import...Each part has high-quality direct replacement electrical connector that eliminates the need for a harness, replacing only the damaged connector, for a cost effective repair solutionThe terminals are manufactured with high grade materials such as copper alloy, brass, and phosphor bronze$52.01 - $76.19
- United Motor Products®Headlight ConnectorGMC Suburban 1978, Headlight Connector by United Motor Products®. Finish: Gray. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium replacement...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$3.81
- ACDelco®Professional™ Instrument Panel Lamp SocketGMC Suburban 1978, Professional™ Instrument Panel Lamp Socket by ACDelco®. Twist-In Type. Finish: Black. 1/2" Hole. With Bracket. 66 Amp Max. Looking to maintain the top condition of your electrical system? We are ready to help you!...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.68Save: $1.00 (15%)$5.68
- ACDelco®Professional™ Instrument Panel Light SocketGMC Suburban 1978, Professional™ Instrument Panel Light Socket by ACDelco®. 5/8" Hole. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.78Save: $1.31 (15%)$7.47
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1978 GMC Suburban Electrical Reviews
2 reviews
Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata
1978 GMC Suburban Models
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