1978 GMC Suburban A/C Relays, Sensors & Switches
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Standard®HVAC Blower Control SwitchGMC Suburban with A/C and Auxiliary Heater 1978, HVAC Blower Control Switch by Standard®. Rear. Type: 4 Blade Male Terminal. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality...Standard switches are designed using copper alloy conductors to ensure superior electrical conductivity with low resistive lossesStandard parts are 100% tested to verify both mechanical and electrical switching performance$33.84 - Four Seasons®System Mounted Low Cut-Out Pressure SwitchGMC Suburban 1978, System Mounted Low Cut-Out Pressure Switch by Four Seasons®. With Round Connector Shape. Location: To Compressor. Type: 2 Terminals. Finish: Black/Green. Products are engineered and tested to provide years of trouble...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$25.65
- Standard®HVAC Blower Motor ConnectorGMC Suburban 1978, HVAC Blower Motor Connector by Standard®. Type: 4 Blade Female Terminal. Finish: Black. Wire Quantity: 4. Harness Length: 6 1/2". Standard is to be the leading independent supplier to the automotive aftermarket,...Offering hundreds of high-quality pigtails and sockets for nearly every electrical jobUtilizing high grade materials to ensure peak conductivity and perfect connections$19.19
- UAC®HVAC Pressure SwitchGMC Suburban 1978, HVAC Pressure Switch by UAC®. UAC’s line of electrical components includes the Switches and Relays that are necessary for the proper function of an A/C System. They are produced at top tier facilities with strong...Helps maintain a desired temperature inside your carMade of durable materials$7.04 - $13.47
- Four Seasons®HVAC Blower Control SwitchGMC Suburban 1978, HVAC Blower Control Switch by Four Seasons®. Front or Rear. With Rectangle Connector Shape. Type: 4 Terminals. With Gauge. Products are engineered and tested to provide years of trouble free operation. Backed by over...Premium parts you can rely onDesigned to keep your A/C system in top shape$43.52
- Four Seasons®A/C Clutch Cycle SwitchGMC Suburban 1978, A/C Clutch Cycle Switch by Four Seasons®. Finish: Black. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right...Premium parts you can rely onDesigned to keep your A/C system in top shape$11.74 - $22.61
- Four Seasons®HVAC Pressure SwitchGMC Suburban 1978, HVAC Pressure Switch by Four Seasons®. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right...Premium parts you can rely onDesigned to keep your A/C system in top shape$19.20 - $29.87
- gpd®A/C Compressor Cut-Out SwitchGMC Suburban 1978, A/C Compressor Cut-Out Switch by gpd®. Low Pressure. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$14.25
- Four Seasons®A/C Compressor Cut-Out SwitchGMC Suburban 1978, A/C Compressor Cut-Out Switch by Four Seasons®. High Pressure Compressor Mounted. Without Connector. Type: 2 Terminals. Finish: Blue. Products are engineered and tested to provide years of trouble free operation....Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$15.77
- Four Seasons®A/C Compressor Cut-Out Switch Harness ConnectorGMC Suburban 1978, A/C Compressor Cut-Out Switch Harness Connector by Four Seasons®. With Round Connector Shape. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years...OE style connectorsMolded plastic construction$6.67 - $13.93
- Four Seasons®Harness Connector AdapterGMC Suburban with A6 Compressor / with R4 Compressor 1978, Harness Connector Adapter by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix...Precision moldedOE style connectors$9.19 - $9.91
- gpd®A/C Clutch Cycle SwitchGMC Suburban 1978, A/C Clutch Cycle Switch by gpd®. Location: Accumulator Mounted. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$9.13
- gpd®HVAC Blower RelayGMC Suburban 1978, HVAC Blower Relay by gpd®. Finish: Silver. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$14.19
- Four Seasons®A/C Compressor Wiring HarnessGMC Suburban with A6 Compressor / with R4 Compressor 1978, A/C Compressor Wiring Harness by Four Seasons®. With 2 Spade Rectangle Connector. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free...OE style connectorsMolded plastic construction$7.70
- Four Seasons®HVAC Blower Relay Harness ConnectorGMC Suburban 1978, HVAC Blower Relay Harness Connector by Four Seasons®. With 3 Hole Mounting Bracket. Type: 5 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile...OE style connectorsMolded plastic construction$14.95
- Dorman®HVAC Clutch Coil ConnectorGMC Suburban 1978, HVAC Clutch Coil Connector by Dorman®. Non-Weatherpack Style. Type: Blade Female Terminal. Wire Quantity: 2. Overall Length: 7". Non-Weatherpack Style. Dorman offers a comprehensive line of A/C Clutch Coil Connectors...Direct replacement A/C Clutch Coil Connectors available (where applicable) to ensure a proper fitVehicle try-on testing has been conducted on this part to ensure a trouble-free performance$8.31
- Dorman®HVAC Switch ConnectorGMC Suburban 1978, HVAC Switch Connector by Dorman®. Type: Spade Female Terminal. Wire Quantity: 2. Overall Length: 5". Improved wiring and highly durable insulation resist the corrosion, overheating and melting that commonly afflict...Save time and expense by replacing the part, not the entire harnessBulb simply plugs into socket for ease of installation$8.74
- Standard®A/C Selector SwitchGMC Suburban with A/C 1978, A/C Selector Switch by Standard®. With Rotary. Type: 4 Blade Male Terminal. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...Standard switches are designed using copper alloy conductors to ensure superior electrical conductivity with low resistive lossesStandard parts are 100% tested to verify both mechanical and electrical switching performance$32.67
- Standard®Handypack™ HVAC Blower Motor ConnectorGMC Suburban 1978, Handypack™ HVAC Blower Motor Connector by Standard®. Type: 4 Female Terminal. Finish: Black. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...The handypack™ program is the most complete wiring center with 17 assortments available. Featuring application and non-application electrical products, handypack™ has the products and tools needed to get your electrical job done right.Pigtail and Socket Assembly$17.49
- WVE®HVAC Blower Control SwitchGMC Suburban without A/C 1978, HVAC Blower Control Switch by WVE®. Front. 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$24.14
- WVE®HVAC Blower Motor Resistor ConnectorGMC Suburban 1978, HVAC Blower Motor Resistor Connector by WVE®. With 4 Terminals. 4 Wire Harness. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$8.28
- WVE®A/C Compressor Cut-Out SwitchGMC C15 Suburban 1978, A/C Compressor Cut-Out Switch by WVE®. Low Pressure. Finish: Black. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$7.65
- United Motor Products®HVAC Blower Control Switch ConnectorGMC Suburban 1978, HVAC Blower Control Switch Connector by United Motor Products®. Black. With 4 Female Terminals. Keep your pride and joy operating as it should with this top-notch part from United Motors Products. It’s made using...Excellent replacement for your worn out factory partWill help make your vehicle running as good as new$14.33
- Supercool®Cycling Pressure SwitchCycling Pressure Switch by Supercool®. With 12mm Switch Port. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Connector/Terminal Type: SpadeAutomotive Switch Use: Clutch Cycling$13.65
- Holley®A/C Compressor Plug-PigtailA/C Compressor Plug-Pigtail by Holley®. R4 Compressor Type. 8mm Pin Connector. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your...Made with precision and quality in mindBuilt to last$21.95
- Keep It Clean®A/C Automatic Fan Activation Relay KitA/C Automatic Fan Activation Relay Kit by Keep It Clean®. Keep It Cleans universal automatic AC fan activation relay kit allows your vehicle a simple method of activating your fan when your air conditioner is turned on. This kit...Allows Vehicle a Simple Method of Activating Fan when Air Conditioner Is Turned OnIncreases the Efficiency of Fan By Delivering More Current to the Fan Motor$85.45
- Vintage Air®Female Binary SwitchFemale Binary Switch by Vintage Air®. 1 Piece. Replacement female thread binary switch only. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$28.26
- Vintage Air®Male Binary Switch with O-RingMale Binary Switch with O-Ring by Vintage Air®. 1 Piece. Replacement male thread binary switch with O-ring, (3/8"- 24 male thread). Air Conditioning Switch, Binary, Male Threads, Vintage Air Standard Driers. Designed utilizing the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.92
- FJC®R-134a Cycling Pressure SwitchGMC Suburban 1978, R-134a Cycling Pressure Switch by FJC®. Are you shivering behind the wheel in the winter, or sweating in traffic in the summer? Do you detect the sweet smell of antifreeze in the cabin or see green liquid on the...Premium parts you can rely onDesigned to keep your A/C system in top shape$7.89
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1978 GMC Suburban A/C Relays, Sensors Reviews
1 review
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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