1978 Mercury Marquis A/C Relays, Sensors & Switches
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- Four Seasons®A/C Clutch Cycle SwitchMercury Marquis with Dealer Installed A/C 1978, A/C Clutch Cycle Switch by Four Seasons®. Front. With 34" Capillary Tube. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile...Contains gaskets, o-rings, or seals to properly replace the productPrecision engineered$30.24
- Standard®HVAC Blower Control SwitchMercury Marquis with Factory Installed A/C 1978, HVAC Blower Control Switch by Standard®. Type: 4 Blade Male Terminal. Number Of Switch Positions: 4. Standard is to be the leading independent supplier to the automotive aftermarket,...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$27.49
- Four Seasons®A/C Compressor Wiring HarnessMercury Marquis with A6 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 operation. Backed by over...OE style connectorsMolded plastic construction$8.79
- Four Seasons®HVAC Harness ConnectorMercury Marquis without Automatic Temperature Control 1978, HVAC Harness Connector by Four Seasons®. With Gauge. Terminal Quantity: 1. Type: 1 Terminal. Products are engineered and tested to provide years of trouble free operation....Molded plastic constructionOE style connectors$2.57
- Four Seasons®Harness Connector AdapterMercury Marquis with A6 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 it once and fix it...Precision moldedOE style connectors$9.19 - $9.91
- Four Seasons®Lever Selector Blower SwitchMercury Marquis 1978, Lever Selector Blower Switch by Four Seasons®. With Rectangle Connector Shape. Type: 4 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...Premium parts you can rely onDesigned to keep your A/C system in top shape$24.49 - $38.48
- Standard®HVAC Blower Motor ConnectorMercury Marquis 1978, HVAC Blower Motor Connector by Standard®. Type: 5 Blade Female Terminal. Finish: Gray. Wire Quantity: 5. Harness Length: 4". With Butt Splices. Standard is to be the leading independent supplier to the automotive...Offering hundreds of high-quality pigtails and sockets for nearly every electrical jobUtilizing high grade materials to ensure peak conductivity and perfect connections$11.69
- Four Seasons®HVAC Blower Switch ConnectorMercury Marquis 1978, HVAC Blower Switch Connector by Four Seasons®. With Lever. Type: 5 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...OE style connectorsMolded plastic construction$13.24
- Dorman®HVAC Clutch Coil ConnectorMercury Marquis with Frigidaire A6 Compressor 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...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 ConnectorMercury Marquis 1978, HVAC Switch Connector by Dorman®. Location: To Blower Motor. Type: Blade Female Terminal. Wire Quantity: 5. Overall Length: 7". Improved wiring and highly durable insulation resist the corrosion, overheating and...Save time and expense by replacing the part, not the entire harnessBulb simply plugs into socket for ease of installation$7.55
- Standard®Handypack™ HVAC Blower Motor ConnectorMercury Marquis 1978, Handypack™ HVAC Blower Motor Connector by Standard®. Type: 5 Female Terminal. Finish: Gray. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality...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$8.64
- WVE®HVAC Blower Control SwitchMercury Marquis without Automatic Temperature Control 1978, HVAC Blower Control Switch by WVE®. With 4 Terminals. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$24.27
- WVE®HVAC Blower Motor ConnectorMercury Marquis without Automatic Temperature Control 1978, HVAC Blower Motor Connector by WVE®. With 5 Lead Wires. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$11.16
- 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
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1978 Mercury Marquis A/C Relays, Sensors Reviews
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Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata
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