2PC New Automotive Electronic Relay Car Relay Tester Universal 12V LED Indicator

This 12V automotive relay tester is a practical diagnostic tool for testing vehicle relays. It supports both 4PIN and 5PIN relays. Simply connect the clamps to the 12V battery, plug in the relay and press the test button. The LED indicator shows whether the relay works normally. Great for auto repair technicians, garage use and car DIY troubleshooting.

✅ Universal 4Pin & 5Pin Relay TestCompatible with most common 12V automotive 4-pin and 5-pin relays.

✅ Clear LED IndicatorLight prompt to judge if relay is good or faulty at a glance.

✅ Simple OperationConnect battery clips, insert relay, press test button, no complicated setup.

✅ 12V DC PoweredPowered by vehicle 12V battery directly, convenient for on-site testing.

✅ Heavy Duty Alligator ClipsRed and black insulated clamps, stable connection, durable wires.

✅ Compact Portable DesignLightweight, easy to carry in tool bag for roadside or garage repair.

• Working Voltage: 12V DC
• Compatible Relay: 4 Pin / 5 Pin automotive relays
• Indicator: LED light
• Cable: Long red-black test wire with insulated alligator clips
• Application: Cars, trucks, SUVs, other 12V vehicles

2 × Automotive Relay Tester

2 × Pair Alligator Test Clips

2 × User Manual

⚠️ Only for 12V DC vehicle relays, do NOT use on 24V systems.

⚠️ Confirm positive and negative polarity before connecting.

⚠️ This tester only tests standard 4/5 pin electromagnetic relays.

⚠️ Keep away from water and high temperature.