A weak wiper relay causes roughly 30% of windshield failures and can strand drivers during heavy rain.
Choose a relay that fits your vehicle, handles surge currents, and resists corrosion for reliable performance.
This guide compares five top relays, their pin layouts, and amperage ratings for GM, Ford, and universal swaps.
Read on to pick the right relay with confidence.
| GM Genuine Parts 13500114 Multi-Purpose Relay |
| Professional Grade | Voltage: 12 V (GM OE multi-purpose automotive relay standard) | Pin Count / Connector: Multi-purpose relay (standard automotive plug-in — compatible with multi-pin sockets) | Application: Automotive (vehicle electrical systems / relay replacement) | VIEW LATEST PRICE | Read Our Analysis |
| Automotive 12V 30A 5-Pin Wiper Motor Relay |
| Universal Replacement | Voltage: 12 V DC | Pin Count / Connector: 5‑pin, plug‑in | Application: Windshield wiper motor (automotive) | VIEW LATEST PRICE | Read Our Analysis |
| Windshield Wiper Motor Relay for Chevrolet Vehicles |
| Best for GM Vehicles | Voltage: 12 V | Pin Count / Connector: 5‑pin | Application: Windshield wiper motor (Chevrolet and GM vehicles) | VIEW LATEST PRICE | Read Our Analysis |
| Wells WVE Windshield Wiper Motor Relay (Ford) |
| Ford-Compatible Pick | Voltage: 12 V (automotive wiper relay for Ford applications) | Pin Count / Connector: Plug‑in automotive relay (fits vehicle connector) | Application: Windshield wiper motor (Ford vehicles) | VIEW LATEST PRICE | Read Our Analysis |
| Jeseny 2-Pack 5-Pin 12V 30A Automotive Relays |
| Budget Backup Pack | Voltage: 12 V | Pin Count / Connector: 5‑pin / 5‑plug | Application: Automotive circuits including motors (e.g., wipers) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
GM Genuine Parts 13500114 Multi-Purpose Relay
Should you want a reliable, factory-grade relay that fits GM vehicles without guesswork, the GM Genuine Parts 13500114 multi-purpose relay is a smart choice for professional technicians and hands-on car owners alike. You’ll find it made to GM OE specification so it matches fit, form, and function. You can trust its quality, reliability, and durability because it’s built like the original. You’ll appreciate that it’s designed with the professional in mind, yet simple enough for DIY swaps. Whenever you replace a wiper motor relay, this part reduces frustration, helps restore proper operation, and keeps your vehicle performing as intended.
- Voltage:12 V (GM OE multi-purpose automotive relay standard)
- Pin Count / Connector:Multi-purpose relay (standard automotive plug-in — compatible with multi-pin sockets)
- Application:Automotive (vehicle electrical systems / relay replacement)
- Current Capacity (switching capability):Built to GM OE relay current needs (automotive high-current switching; OE equivalent)
- Replacement / Direct-Fit Intent:GM‑recommended replacement for factory component (direct OE fit)
- Durable / Weather-Resistant Construction:Built to GM OE quality and durability standards
- Additional Feature:GM OE specification build
- Additional Feature:Professional-grade reliability
- Additional Feature:Direct factory replacement
Automotive 12V 30A 5-Pin Wiper Motor Relay
Provided you want a reliable, easy-to-install relay that handles heavy wiper loads, the Automotive 12V 30A 5-Pin Wiper Motor Relay is a strong choice for DIYers and mechanics alike. You’ll like its 12V coil and 30A rating, which lets it switch up to 360 watts for most windshield wiper motors. The plug-in 5-pin design makes installation fast, and the sturdy coil and contacts resist wear so your wipers stay responsive. It fits many vehicles as a replacement for common models, comes from Alikkash, and weighs just over an ounce, so it’s a compact, dependable fix.
- Voltage:12 V DC
- Pin Count / Connector:5‑pin, plug‑in
- Application:Windshield wiper motor (automotive)
- Current Capacity (switching capability):30 A (rated)
- Replacement / Direct-Fit Intent:Replacement for listed wiper relay models (direct plug-in)
- Durable / Weather-Resistant Construction:High‑quality coil and contacts for reliable high‑current operation
- Additional Feature:High-sensitivity coil
- Additional Feature:360-watt rating
- Additional Feature:Compact plug-in form
Windshield Wiper Motor Relay for Chevrolet Vehicles
Should you drive a Chevrolet, GMC, Buick, or Cadillac from the initial 2000s and want a dependable, easy replacement for a worn wiper relay, this 1R1059 12V 35A 5-pin relay is a smart pick you can count on. You’ll get two relays, compatible with AR172, RAA1241, and 12077866. It replaces many OEM numbers, so chances are it fits your ASTRO, COLORADO, IMPALA, or SAVANA. Before you buy, verify the OEM part number and match your model year to the listed ranges. Installation is simple, and the relay restores reliable wiper operation fast.
- Voltage:12 V
- Pin Count / Connector:5‑pin
- Application:Windshield wiper motor (Chevrolet and GM vehicles)
- Current Capacity (switching capability):35 A (rated)
- Replacement / Direct-Fit Intent:Replaces multiple OEM part numbers (direct replacement for listed GM models)
- Durable / Weather-Resistant Construction:Automotive‑grade relay designed for vehicle environments
- Additional Feature:Includes two relays
- Additional Feature:Wide OEM cross-reference list
- Additional Feature:Broad GM model coverage
Wells WVE Windshield Wiper Motor Relay (Ford)
Should you drive a Ford truck or SUV from the late 1990s to the mid 2000s and want a reliable, no-fuss replacement, the Wells WVE windshield wiper motor relay is a solid choice for keeping your view clear in bad weather. You’ll get a genuine Wells WVE part that fits models like Excursion, Expedition, Voyager, Ranger Sport Trac, F-150, and F-250 from 1995 to 2007. It’s a direct replacement, so you won’t wrestle with modifications. The package includes original packaging and hardware, and you should confirm fitment on Amazon. You can trust the fit and function for safe driving.
- Voltage:12 V (automotive wiper relay for Ford applications)
- Pin Count / Connector:Plug‑in automotive relay (fits vehicle connector)
- Application:Windshield wiper motor (Ford vehicles)
- Current Capacity (switching capability):Designed for wiper motor current loads (OEM replacement specification)
- Replacement / Direct-Fit Intent:Direct replacement for specified Ford models (confirm fitment)
- Durable / Weather-Resistant Construction:Genuine Wells WVE part built for automotive use (includes hardware/packaging)
- Additional Feature:Includes installation hardware
- Additional Feature:Genuine Wells WVE part
- Additional Feature:Ford-specific fitment list
Jeseny 2-Pack 5-Pin 12V 30A Automotive Relays
Should you need a tough, reliable relay for big electrical loads, the Jeseny 2-pack 5-pin 12V 30A relays are a smart pick for DIYers and pros who want fast, no-fuss fixes. You’ll like the small, sealed nylon housing that keeps moisture out and reduces short circuits. The brass pins have double plating, so they resist corrosion and breakage while fitting common five‑pin sockets. They handle headlights, fuel pumps, fans, and other motor accessories under harsh temperatures. Installation is simple, with basic wiring and no special tools. You’ll feel confident swapping worn relays and restoring proper operation quickly.
- Voltage:12 V
- Pin Count / Connector:5‑pin / 5‑plug
- Application:Automotive circuits including motors (e.g., wipers)
- Current Capacity (switching capability):30 A (rated)
- Replacement / Direct-Fit Intent:Intended as replacement/repair relay for automotive systems
- Durable / Weather-Resistant Construction:Sealed, waterproof nylon housing with plated brass pins
- Additional Feature:Waterproof sealed base
- Additional Feature:Nylon insulated housing
- Additional Feature:Brass double-plated pins
Factors to Consider When Choosing Wiper Motor Relays
At the point you pick a wiper motor relay, check the voltage and current rating initially so the relay can handle the motor without overheating. Also make sure the pin configuration matches your socket, and consider fitment and OEM match so installation is hassle free. Don’t forget environmental durability and mounting options, because a relay that resists moisture, vibration, and fits securely will last longer and keep your wipers reliable.
Voltage And Current Rating
Even provided you’re not a mechanic, you can pick the right relay through focusing on voltage and current ratings from the start, because those numbers tell you whether the part will live happily under your hood or fail the moment you need it most. Start by matching coil voltage to your vehicle system 12 V for most cars and 24 V for heavy gear. Next check continuous and peak switching current. Wiper motors draw 20 to 40 A and can spike higher at start or stall, so pick a relay with higher carry and surge specs. Also confirm contact voltage rating equals or exceeds system voltage to avoid arcing. Factor in hot under hood temps and derating, and allow a safety margin for longer life.
Pin Configuration Compatibility
Because a wrong pin fit can leave your wipers silent at the worst time, start checking pin count and layout prior to buying a relay. You should confirm 4‑pin or 5‑pin matches your wiring so power, ground, switch feed, and intermittent or park functions connect correctly. Next, verify terminal numbering like 30, 85, 86, 87, 87a against your wiring diagram so coil, common, normally open, and normally closed contacts wire properly. Also check plug or blade spacing and shape to avoid loose contacts or needing adapters. For intermittent or multi speed systems, make sure extra pins for park or speed selection exist instead of a simple on off relay. Finally, compare the old relay stamping and diagram to the new unit before installing.
Environmental Durability
Should your wipers fail in a storm, you want a relay that keeps working and won’t leave you stranded, so choose parts built to handle water, heat, cold, vibration, and heavy use. Pick relays with sealed or waterproof housings rated IP67 or higher so water can’t reach contacts during heavy rain or washdowns. Also check wide temperature specs like −40°C to +85°C so coils and contacts stay stable in cold starts and hot engine bays. Favor corrosion resistant terminals and plated contacts such as gold or nickel to cut contact resistance and prevent galvanic wear. Make sure vibration and shock tolerance follow automotive standards like IEC 60068 so pins stay tight. Finally confirm duty cycle and thermal endurance so relays won’t overheat or weld under prolonged loads.
Fitment And OEM Match
Once you pick a relay that can survive rain and rough roads, the next question is whether it will actually fit and work like the original part. You want a relay with the same pin count and socket layout so it plugs in without splicing. Check 4 pin versus 5 pin and compare the socket pattern to your connector. At the same time, match voltage and current ratings, usually 12 V and 30 to 35 A, so the relay won’t be under rated. Look at OEM part numbers or equivalent references printed on the original relay to find an exact match. Confirm physical dimensions and mounting style fit the space and keep factory mounting points. Finally, make sure the relay function like intermittent, park, or wash wipe matches your wiper control.
Installation And Mounting
At the moment you select a relay, consider about how and where you’ll mount it so it works reliably for years to come. You should initially confirm the relay’s mounting type matches your vehicle’s existing setup so you won’t need to make adapters. Next, check dimensions and pin orientation to guarantee the relay fits the space and plugs in without bending wires. Also verify hardware needs like screw size, bracket holes, and torque so the relay stays tight under vibration. Reflect on environmental sealing and place the relay in a dry, ventilated spot or use a sealed housing when it faces water, salt, or engine heat. Finally, leave clearance for connector access so you can service or replace it easily.
