11 best automotive replacement defogger relays

Automotive replacement defogger relays are electrical components used in vehicles to control the rear window defogger or defroster system. These relays play a crucial role in ensuring that the defogger functions correctly, which is essential for maintaining visibility through the rear window, particularly in cold or humid conditions. Here are some key points related to automotive replacement defogger relays:

  1. Purpose: The rear window defogger is designed to remove moisture, frost, or condensation that may accumulate on the rear window, impairing visibility. Defogger relays are responsible for activating and deactivating the defogger grid or heating elements on the rear window.

  2. Electrical Control: Defogger relays are typically electromechanical or solid-state electrical devices. They are part of the vehicle's electrical system and are activated by a switch on the dashboard or integrated into the HVAC (heating, ventilation, and air conditioning) controls.

  3. Function: When the driver or passenger activates the defogger switch, the defogger relay closes an electrical circuit, allowing current to flow to the rear window's heating elements. These elements heat up and gradually remove moisture, frost, or condensation from the rear window, improving visibility.

  4. Safety and Visibility: Proper functioning of the rear window defogger is crucial for safety, as it ensures the driver's ability to see through the rear window. In cold or humid conditions, a malfunctioning defogger can lead to reduced visibility, increasing the risk of accidents.

  5. Replacement: Over time, defogger relays may wear out or fail due to electrical issues.When this happens, it's necessary to replace the relay to restore the defogger system's functionality. Replacement defogger relays are available from automotive parts suppliers and can often be installed by a qualified mechanic or DIY enthusiast.

  6. Compatibility: When purchasing a replacement defogger relay, it's important to ensure compatibility with your vehicle's make and model. Different vehicles may use different relay designs and wiring configurations, so selecting the correct replacement part is essential.

  7. Testing: If you suspect a problem with your rear window defogger, it's a good idea to have it diagnosed by a professional mechanic. They can test the relay, switch, and heating elements to identify the source of the issue and recommend the appropriate repairs or replacements.

In summary, automotive replacement defogger relays are vital components of a vehicle's rear window defogger system, helping to maintain visibility by removing moisture, frost, or condensation from the rear window. Regular maintenance and prompt replacement of faulty relays are essential for safe and comfortable driving, especially in adverse weather conditions.

Below you can find our editor's choice of the best automotive replacement defogger relays on the market
  

Srliya Notepad kraft paper material Big Ben Red strap retro notepad is suitable for students to write in school study notes mathematics writing as a data folder magazine writing rule work business

Product description

Descriptions:

Material: the big notebook: white paper; the small notebook: kraft paper

Product Thickness: 160 Sheets

Product Weight: 0.4kg for large notebook; 0.25kg for small notebook

Size: large book 130*180mm; small book 100*140mm

Package included:

1*Notebook





  • [Product introduction] 160 blank pages, very suitable for writing, drawing and pasting photos or articles. Soft but durable, easy to write, the product comfort is very good, it is worth buying ,please rest assured to buy.
  • [Product meaning] Kraft paper can perfectly save your writing and drawing to help you read easily in the future, and it can also be used as a gift for friends and family you want to give to your friends and family. It will bring you a different effect. And because your use brings different meanings, the value is extraordinary.
  • [Product use] The product is convenient to use, refillable, easy to take out or insert paper, so that all memory can be recorded immediately anytime and anywhere, very convenient, time-saving and labor-saving, and can bring you convenience and comfort to a large extent. It feels handy to get up.
  • [Product design] The product design is very reasonable. The product has 10 colors, which provides you with options. You can choose the color you like. To a large extent, you can give you a choice. The design is not only exquisite but also very The appropriate life makes you happy both physically and mentally.
  • [Product Usage] It is very suitable for daily use. The graphic design makes it easier to take notes and to read more effectively. I wish you a happy handwriting. Very suitable for travel notebooks, business notebooks, juvenile diaries, back to school gifts, suitable for travel or outdoor adventure, and easy to store.

User questions & answers

Question: Would this fit on 2002 chevy suburban
Answer: I thought it would take standard batteries, but it does not. I am on vacation at the moment so can't look to see exactly what it takes, but it wasn't standard so we ended up just using it via the power supply. Sorry I can't be more helpful, if no one else answers this by the 28th, I'll be back home then!
Question: Will this fit a 2001 Chevy Silverado
Answer: yes, it was so great that my kids loved it so much. I have recommended it to my friends.
Question: Are these dimmable when using the dimmer adjustment for the instrument cluster
Answer: 18650 Battery Lithium-ion in an external power pack
Question: Are these white
Answer: It produces lots of bubbles but i am wonderding how many bubbles you need for you wedding.

The Best Writing on Mathematics 2020 (The Best Writing on Mathematics, 13)

Princeton University Press

Based on 6 reviews Check latest price

Permatex 09117 Complete Rear Window Defogger Repair Kit, Single Unit

Permatex

Based on 617 reviews Check latest price

Product description

The Permatex Complete Rear Window Defogger Repair Kit contains everything required for making professional-quality repairs in just minutes. State-of-the-art components and easy-to-follow instructions with photographs are included. Provides a low-cost, high-quality repair for damaged rear window defogger grids and tabs.

  • Everything required for making professional-quality repairs in just minutes
  • State-of-the-art components and easy-to-follow instructions with photographs
  • Provides a low-cost, high-quality repair for damaged rear window defogger grids and tabs
  • Premium repair kit for professionals and 'Do-It-Yourself'ers

User questions & answers

Question: How many defroster lines can be repaired with this kit
Answer: Some Asian place I am sure.
Question: If I clean my rear windows will this paint wash out
Answer: Yes, it recommends a 5 to 1 ratio of 5 parts water 1 part bubble solution , but we had best results at about 3 to 1 ratio with brand we bought. You just have to play around with it.
Question: The amazon "will it fit your car?" test does not allow toyota, but the q&a says it works on all cars. wazzup
Answer: Yes it is portable and rechargeable. The battery is built in. Not sure if replaceable. Great Machine that makes lots of bubbles.
Question: Can i use this for a cadillac escalade esv
Answer: It goes inside the down reservoir

Product features

Permatex Complete Rear Window Defogger Repair Kit

Complete kit contains everything required for making professional-quality repairs in just minutes. State-of-the-art components and easy-to-follow instructions with photographs. Provides a low-cost, high-quality repair for damaged rear window defogger grids and tabs. Quick Grid is the result of a joint research project with the General Motors Research Center.

Automobile Suggested Applications: Rear window defogger grids and tabs.

Airtex 1R1085 Rear Window Defogger Relay

Airtex

Based on 11 reviews Check latest price

Product description

Airtex Rear Window Defogger Relay is engineered and tested to meet or exceed OE specifications in form, fit, and function. This Relay features a new design and technology which enhances its performance, longevity and output.

  • Engineered and tested
  • Meets or exceed OE specifications in form, fit, and function
  • Features a new design and technology
  • Enhances performance, longevity and output

User questions & answers

Question: i have a 2005 trailblazer where is the rear window defroster relay located
Answer: This master works great in my 2003,Z71 with single piston rear calipers. You should enter your vehicle into the amazon "my garage" it should tell you if it is a fit for your vehicle.
Question: Where is this rear window defogger relay located on my 2004 Monte Carlo
Answer: Yes. This unit has the low brake fluid sensor. If your vehicle is not equipped with the wiring for that unit I don't think it will matter if you don't plug something into the connection. My vehicle calls for this Master Cylinder and the sensor is connect to the ABS...this master worked fine. I called the GM parts line and gave them my Vehicle ID# and this was the unit it calls for.
Question: I have an '04 saturn ion base model. my rear defogger button lights up when pushed, but doesn't defrost the rear window. will new relay correct
Answer: Yes it does fit with vac boost just pay attention to the mounting some have a different shape bolt pattern

ACDelco 16191952 Rear Window Defogger Relay

Based on 1 reviews Check latest price

Product description



OE Service Sensors/Relays/Switches



ACDelco offers a full line of Original Equipment Service Ignition System and Switch products that are ideal replacements for the worn equipment in your GM vehicle. With complete GM coverage and the peace of mind that comes with all ACDelco products it only makes sense to keep your GM vehicle all GM.



Let ACDelco help you optimize your GM vehicle's performance with our high-quality Original Equipment Service Sensors, Relays and Switches. Full range of switch products -- door lock, turn signal, ignition, trunk, windshield wiper, multi-function and many more. Thoroughly tested for trouble-free operation and performance

Standard Motor Products RY-721 Defogger Relay

Standard Motor Products

Based on 6 reviews Check latest price

Product description

Intermotor HVAC Blower Motor Relay by Standard. Without Bracket. Type: 4 Blade Male Terminal. Genuine Intermotor Quality.

  • Country Of Origin : United States
  • The Package Height Of The Product Is 2.437 Inches
  • The Package Length Of The Product Is 9.51 Inches
  • The Package Width Of The Product Is 6.439 Inches

Fochutech Car Heater Portable Heating Quickly Defrosts Defogger 12V 150W Auto Cooling Fan 3-Outlet Winter 2 in1 Van Cool Windscreen Window Demister (Red)

Based on 1 reviews Check latest price

Product description

Size:17x11x4cm/6.69x4.33x1.57",cable length 120cm/47.24"

Color:Red,Black

Materials:ABS

Product Performance:Warm and cold

Power:150W

Fixed:put on the non-slip mat,or double-sided adhesive fixed.

180 degree rotating bracket,rotating design,freely adjustable,convenient and practical.

Usage:put the plug directly into the cigarette lighter.



Plastic material,the process of heating warm not hot.

3 major outlet,fixed direction of the wind,let the warm directly and completely.

Support plane rotate 300 degree,follow control,convenient and comfortable.

Auto defrost fog,multi-functional automatic heating,overheating protection.



Package:

1x Automotive heater

  • Used as an automobile demister to clear fog and frost
  • 2 In 1 Car Fan,To work as vehicle heater or fan
  • Plug it into your vehicle's cigarette socket
  • A 180°rotary holder is designed for free adjustment
  • Can quickly be heated within one minute

Portable Car Heater Defroster 12V car Heater Cooling Fan Window Demister 30 Seconds Fast Heating Quickly Defrosts Defogger Windscreen De-Icer - Silver

Beacon Pet

Based on 5 reviews Check latest price

Product description

Features:

100% Brand New and High Quality

Plug-in and Power On

Portable with 360 degree rotary holder

Durable cable

Heating and breezy cooling with fan and heater option

Defroster and defogger

Ideal for long trips or camping

Can be mounted with adhesive

Built-in fuse, automatic power failure protection



Use:

1.It can be fixed on the anti-skid pad or fixed with double-sided adhesive.

2.Just plug it into your cigarette lighter socket.

3.Switch for choosing either fan or heater mode, dual use

4.It can help you solve the problem that there is fog and frost on your car windshield blocking your view



Parameters:

Material: Plastic

Power: 12V ,150W

Length of cable: 150cm

Color: Silver



Package Included:

1 x Portable Car Heater

1 x 3M Tape

  • 2 in 1 Heating and Cooling Functions: This Car fan heater can blow natural wind and warm air, designed to quickly clean the frost, fog, mist on your vehicle's windshield. Very useful in winter.
  • Fast Heating&High Effective: Offering a high powered fan, which can quickly heat the air without having to wait for your engine to warm up. This saves time and energy by using your cars alternator to keep the heater powered instead of gas!
  • Safe&Durable: This portable car heater is made from ABS and polymer heat-resistant hard plastic, the practical and handled heater features automatic heating, overheating protection, and user-friendly design which is energy-saving with low consumption.
  • Easy to Use: Just plug it into your vehicle's cigarette socket and turn it on.360° rotary holder is designed for free adjustment, which is very convenient and practical.

Portable Auto Car Heater Heating Defroster 12V 150W Electric Fan Heater Heating Windshield Defogger

Product description

100% brand new and high quality

Features:

- Quickly heats your vehicle.

- No need to wait for engine to warm.

- This 12v car heaters defroster quickly heats the air in your car without having to wait for your engine to warm up,Purifying Air.

- It uses your car's cigarette lighter socket and allows you to defrost / demist your windows quickly and efficiently so you can get on the road and get to your destination.

- If you're delayed in a traffic incident you can also stay warm without running the engine.

- Can also be used as a fan only to cool you down in the summer months.

- Just plug it into your vehicle's cigarette socket and turn it on.



specification:

Name: Car heaters

Type:A:Heating,B:Heating + Purifying Air

Color: black/red

Material: plastic

Power: 150(W)

Voltage: DC 12V

Size:9.5*7.5*13cm



Note:

Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.

Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!



Package includes:

1xCar heaters

  • Quickly heats your vehicle.
  • No need to wait for engine to warm.
  • This 12v car heaters defroster quickly heats the air in your car without having to wait for your engine to warm up,Purifying Air.
  • It uses your car's cigarette lighter socket and allows you to defrost / demist your windows quickly and efficiently so you can get on the road and get to your destination.
  • Can also be used as a fan only to cool you down in the summer months. Just plug it into your vehicle's cigarette socket and turn it on.

Anti Fog Spray for Glasses, 20ml Anti Fog Treatment Lens Cleaner Anti-fogging Spray Long Lasting Defogger for Windows, Mirrors, Eyewear Lenses, Glasses, Swim Goggles, Ski Masks, Binoculars

Product description

1.Durable and Practical: The anti-fog effect brought by the anti-fog sprayis durable, and the anti-fog spray will form a nano anti-fog coating on the surface of the swimming goggles.

2.Safe and Useful: The anti-fog spray is safe and healthy, which is made of safe raw materials that are harmless to the human body.

3.Easy to Carry: The anti-fog spray is lightweight and portable, which is easy to carry.

4.How to Use: Spray the lens with a small amount of the anti-fog spray, and then wipe the lens with microfiber or cotton cloth. In order to get the best use effect, the anti-fog spray must be used every 3 to 5 days or every time when the lens is cleaned.

5.Wide Application: The anti-fog spray is suitable for swimming goggles, auto glass, telescope, binoculars, etc.

Specifications:

Capacity: 20mL

Instructions:

1. Clean the inside of the lens before applying the anti-fog spray.

2. Put 1-2 drops of the anti-fog spray on the inner side of the lens and apply it evenly with a sponge tip.

3. After natural drying in the shade, rinse the lens with clean water and shake it for drying.

4. Apply the anti-fog spray to the goggles before swimming, and wait for the lenses of the goggles to dry for preventing fogging.

Packing List: 

1*Anti-Fog Spray

Note: 

The anti-fogging time of the anti-fogging agent is relative, so we  require you to apply the anti-fog spray to the goggles before swimming.

  • DISCOVER INSTANT CLARITY – Get this magical little solution bottle that will keep your bathroom mirrors, eyeglasses, swim goggles, sport goggles, snorkeling masks, Windshields, Binoculars, Hockey Shields, and endless other surface types fog free and ready to go!
  • ❤Durable and Practical: The anti-fog effect brought by the anti-fog sprayis durable, and the anti-fog spray will form a nano anti-fog coating on the surface of the swimming goggles.
  • QUICK AND EASY WET OR DRY APPLICATION – We aren’t like those other guys that make you wait 25 minutes to wipe. No way. We deliver instant results. Spray once, rub, rinse – and your surface is protected and will stay fog-free.
  • SAFE FOR NON AR-COATED LENSES – This unique formula will deliver you the clarity you seek. Prescription, Transition or Polarized lenses? We’ve got you covered for all Non AR-Coated lenses.
  • ★How to Use: Spray the lens with a small amount of the anti-fog spray, and then wipe the lens with microfiber or cotton cloth. In order to get the best use effect, the anti-fog spray must be used every 3 to 5 days or every time when the lens is cleaned.

OMRON G8HL-H71 12 VOLT DC SPST LOW PROFILE ISO AUTOMOTIVE RELAY (SINGLE)

Based on 9 reviews Check latest price

Product description

Omron G8hl-h71 12 Volt Dc Spst Low Profile Micro Iso Automotive Relay, 12VDC SPST Relay contacts, 20 amps/NO, Fully automated assembly, Environment-friendly and light weight, Made in USA

  • Spst Low Profile Micro Iso Automotive Relay
  • 20 amps/NO
  • Fully automated assembly,
  • Environment-friendly and light weight,
  • Made in USA

Latest Reviews

View all