2004 Mercury Grand Marquis A/C Relays, Sensors & Switches
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Original (OEM)A/C & Heating PartsYour vehicle's A/C system is responsible for cooling your vehicle's cabin as well as defrosting your windshield in the winter while your heating system helps keep you warm in cold months. The heating system is a part of the engine... - gpd®HVAC Pressure TransducerMercury Grand Marquis 2004, HVAC Pressure Transducer by gpd®. 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$57.36
- Motorcraft®HVAC Heater Control SwitchMercury Grand Marquis 2004, HVAC Heater Control Switch by Motorcraft®. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products meet stringent Ford Motor Company...Direct OEM replacement for proper fitRecommended by Ford Motor Company$27.54 - $35.06
- Four Seasons®HVAC System SwitchMercury Grand Marquis 2004, HVAC System Switch by Four Seasons®. Electric. With Round Connector Shape. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$47.04
- Motorcraft®HVAC Blower Motor ConnectorMercury Grand Marquis 2004, HVAC Blower Motor Connector by Motorcraft®. Front. With 2 Leads. Finish: Black/Purple. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft...Direct OEM replacement for proper fitRecommended by Ford Motor Company$26.48
- Four Seasons®A/C Clutch Cycle SwitchMercury Grand Marquis 2004, A/C Clutch Cycle Switch by Four Seasons®. With Round Connector Shape. Finish: Yellow. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$11.30
- Four Seasons®HVAC Blower Control SwitchMercury Grand Marquis with Manual A/C 2004, HVAC Blower Control Switch by Four Seasons®. Front. With Rectangle Connector Shape. Type: 4 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by...Vehicle specific applicationsZinc coated to resist corrosion$15.66
- Standard®HVAC Blower Control SwitchMercury Grand Marquis 2004, HVAC Blower Control Switch by Standard®. Front. 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$19.09
- UAC®A/C Clutch Cycle SwitchMercury Grand Marquis 2004, A/C Clutch Cycle 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...Helps maintain a desired temperature inside your carMade of durable materials$11.21
- Motorcraft®Cabin Air Temperature SensorMercury Grand Marquis 2004, Cabin Air Temperature Sensor by Motorcraft®. 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...Direct OEM replacementMeets strict Ford Motor Company standards$33.89 - $106.24
- Motorcraft®HVAC Blower Control SwitchMercury Grand Marquis 2004, HVAC Blower Control Switch by Motorcraft®. Front. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products meet stringent Ford Motor...Direct OEM replacement for proper fitRecommended by Ford Motor Company$21.45
- Dorman®HVAC Blower Motor Resistor ConnectorMercury Grand Marquis 2004, HVAC Blower Motor Resistor Connector by Dorman®. Type: Blade Female Terminal. Dorman’s Blower Motor Resistor promptly returns your vehicle’s heating and cooling system to its original peak performance....Simply plugs into the blower motor resistor for ease of installationUniquely available in a kit that includes the blower motor resistor, an essential component of most repairs$10.58 - $24.35
- Santech®A/C Low Pressure SwitchMercury Grand Marquis 2004, A/C Low Pressure Switch by Santech®. Cycling. Make your beloved vehicle perform reliably, efficiently, and smoothly again with this top-grade A/C component from Santech. Designed to fit, form, and function...Premium parts you can rely onDesigned to keep your A/C system in top shape$9.35
- Motorcraft®A/C Compressor Clutch ConnectorMercury Grand Marquis 2004, A/C Compressor Clutch Connector by Motorcraft®. With 2 Leads. Type: Female Terminal. Finish: Black. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle,...Direct OEM replacement for proper fitRecommended by Ford Motor Company$50.12
- Four Seasons®HVAC Blower Motor Resistor Harness ConnectorMercury Grand Marquis without Automatic Temperature Control 2004, HVAC Blower Motor Resistor Harness Connector by Four Seasons®. High Temperature. Type: 4 Terminals. Products are engineered and tested to provide years of trouble free...Molded plastic constructionOE style connectors$12.04
- Dorman®HVAC Pressure SwitchMercury Grand Marquis 2004, HVAC Pressure Switch by Dorman®. Designed utilizing the latest technology, this product by Dorman features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Comes with clamps and fittings (where applicable)Tough rubber and steel construction$56.42
- Standard®HVAC Blower Motor ConnectorMercury Grand Marquis 2004, HVAC Blower Motor Connector by Standard®. Type: 2 Blade Female/Male Terminal. Finish: Black/White. Wire Quantity: 2. Harness Length: 6 1/2". Standard is to be the leading independent supplier to the...Premium parts you can rely onDesigned to keep your A/C system in top shape$62.71
- Santech®HVAC Pressure SwitchMercury Grand Marquis 2004, HVAC Pressure Switch by Santech®. High Pressure Cut-Off. With 3 Pin Connector. Make your beloved vehicle perform reliably, efficiently, and smoothly again with this top-grade A/C component from Santech....Premium parts you can rely onDesigned to keep your A/C system in top shape$34.05
- UAC®HVAC System RelayMercury Grand Marquis 2004, HVAC System Relay 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...Helps maintain a desired temperature inside your carMade of durable materials$4.08
- Motorcraft®A/C Clutch Cycle SwitchMercury Grand Marquis 2004, A/C Clutch Cycle Switch by Motorcraft®. Low Pressure. Location: On Accumulator. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products...Direct OEM replacement for proper fitRecommended by Ford Motor Company$31.62
- Motorcraft®Ambient Air Temperature Sensor ConnectorMercury Grand Marquis 2004, Ambient Air Temperature Sensor Connector by Motorcraft®. With 2 Leads. Type: Male Round terminal. Finish: Black. Gauge: 16. Looking to maintain the top condition of your electrical system? Motorcraft are...Direct OEM replacementMeets strict Ford Motor Company standards$29.75
- Motorcraft®HVAC Cut-Off SwitchMercury Grand Marquis 2004, HVAC Cut-Off Switch by Motorcraft®. Motorcraft HVAC cut-off switches are designed for maximum performance and durability. This top-grade product is expertly made in compliance with stringent industry...Direct OEM replacement for proper fitRecommended by Ford Motor Company$20.17 - $103.06
- Motorcraft®HVAC Temperature Control Switch ConnectorMercury Grand Marquis 2004, HVAC Temperature Control Switch Connector by Motorcraft®. With 3 Leads. Type: Male Terminal. Finish: Natural. With In-Ash Receptacle. Motorcraft is the way to restore the performance of your vehicle. Designed...Direct OEM replacement for proper fitRecommended by Ford Motor Company$48.62
- Four Seasons®HVAC Blower Relay Harness ConnectorMercury Grand Marquis 2004, HVAC Blower Relay Harness Connector by Four Seasons®. Front or Rear. Low Speed. Without Shroud. Type: 5 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over...OE Style ConnectorsMolded Plastic Construction$11.97
- Four Seasons®HVAC Heater Blend Door Actuator ConnectorMercury Grand Marquis 2004, HVAC Heater Blend Door Actuator Connector by Four Seasons®. Type: 8 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience,...Molded plastic constructionOE style connectors$53.50
- gpd®A/C Clutch Cycle SwitchMercury Grand Marquis 2004, A/C Clutch Cycle Switch by gpd®. Location: Accumulator Mounted. Finish: Yellow. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$11.91
- gpd®HVAC Blower Control SwitchMercury Grand Marquis 2004, HVAC Blower Control Switch by gpd®. 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...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$11.38
- gpd®HVAC Blower Motor Resistor HarnessMercury Grand Marquis 2004, HVAC Blower Motor Resistor Harness by gpd®. Always make sure electrical components are free of debri and moisture before installing. This top-grade product is expertly made in compliance with stringent...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$14.73
- ACDelco®Gold™ HVAC Blower Motor RelayMercury Grand Marquis 2004, Gold™ HVAC Blower Motor Relay by ACDelco®. Front or Rear. Low Speed. Without Shroud. Type: 5 Blade Male Terminal. Material: Plastic. Designed utilizing the latest technology, this product by ACDelco...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$12.22
- Dorman®Ambient Air Temperature SensorMercury Grand Marquis 2004, Ambient Air Temperature Sensor by Dorman®. With Round Connector Shape. Type: 2 Bullet Terminal. Threaded. Tired of guessing how hot or cold it is outside your vehicle? Restore reliable, accurate outside...Wire connectors included for ease of replacementDirect replacement for a proper fit$25.31
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