12V Universal Car Relay Tester | 4-Pin & 5-Pin Automotive Relay Diagnostic Tool
Find Faulty Relays in Seconds!
✔ Tests 4-pin & 5-pin relays
✔ Works with any 12V battery
✔ Easy one-button operation
✔ Essential diagnostic tool for every garage
✔ Save time and avoid unnecessary parts replacement
Perfect for mechanics, auto electricians, workshops, and DIY vehicle repairs.
Brand New – Available for Collection or Delivery
Description
Quickly diagnose faulty automotive relays with this 12V Universal Car Relay Tester. Designed for mechanics, auto electricians, garages, and DIY car enthusiasts, this compact tool allows you to test both 4-pin and 5-pin relays in seconds.
Simply connect the tester to a 12V battery using the included crocodile clips, insert the relay, and press the test button. The LED display instantly indicates relay condition and wiring status, helping you identify faulty relays without guesswork.
A must-have tool for troubleshooting electrical problems in cars, vans, motorcycles, trucks, boats, and other 12V systems.
Key Features
✅ Tests both 4-pin and 5-pin relays
✅ Fast and accurate relay diagnosis
✅ Simple one-button operation
✅ LED status indication
✅ Universal 12V compatibility
✅ Battery clip connectors included
✅ Portable and lightweight design
✅ Suitable for professional and DIY use
Package Includes
1 × Universal Relay Tester
1 × Red Battery Clamp
1 × Black Battery Clamp
User Manual
Specifications
Feature
Details
Product Type-Relay Tester
Voltage-12V DC
Relay Types-4-Pin & 5-Pin
Operation-One-Button Test
Display-LED Status Indicators
Connection-Battery Clamp Leads
Compatibility-Automotive Relays
Colour-Red / Black
Application-Vehicle Electrical Diagnostics
Suitable For
Cars
SUVs
Vans
Trucks
Motorcycles
Boats
Agricultural Equipment
Caravans
12V Electrical Systems
Common Uses
Diagnose:
Starter relays
Fuel pump relays
Cooling fan relays
Horn relays
Lighting relays
Air conditioning relays
Power accessory relays