New Automotive Electronic Relay Car Relay Tester -4/5Pin 12V Car Diagnostic Tool For Sale

Automotive Relay Tester - 12V 4-Pin/5-Pin Car Diagnostic Tool with Alligator ClipsSpecifications & Compatibility

• Voltage Range: 11V-15V (suitable for standard 12V car systems)
• Relay Type: Supports 4-pin and 5-pin automotive relays
• Coil Resistance Requirement: >20 ohm
• Dimensions:
  • Tester: 4.33in/110mm (L) × 2.24in/57mm (W) × 1.06in/27mm (H)
  • Alligator Clips: 2.95in/75mm (L) × 1.18in/30mm (W)
  • Wire Length: 89cm/35in

Core Components & Design

• Dual-Purpose Interface: Accommodates both 4-pin and 5-pin relays, with a switch to toggle between modes.
• LED Indicator: Lights up and emits a click sound when a relay is functioning normally, providing instant visual/audio response.
• Insulated Alligator Clips: Red (positive) and black (negative) clips with strong bite force, ensuring secure connection to the car battery.
• Durable Wiring: Thick red/black wires resist wear and tear, suitable for repeated use in engine bays.

Usage Method

1. Connect Power: Attach the red alligator clip to the car battery’s positive terminal and the black clip to the negative terminal.
2. Insert Relay: Place the relay into the corresponding 4-pin or 5-pin slot (switch the toggle as needed).
3. Test: Press the “TEST” button. A lit LED and audible click indicate the relay is working; no response means the relay is faulty.

Features & Benefits

• Quick Fault Diagnosis: Identifies bad relays in seconds, eliminating guesswork in car electrical repairs (e.g., AC, lighting, or starter system issues).
• User-Friendly Operation: No technical expertise required – ideal for both professional mechanics and DIY car enthusiasts.
• Cost-Effective: Prevents unnecessary relay replacements by verifying functionality before repairs.

Applicable Scenarios

• Auto Repair Shops: Streamlines relay testing for efficient troubleshooting of electrical systems.
• Personal Vehicle Maintenance: Enables DIYers to diagnose issues like non-functional headlights, AC compressors, or starter relays.
• Car Electronics Debugging: Essential for verifying relay integrity in custom wiring or restoration projects.

This relay tester is a must-have tool for anyone working on car electrical systems, offering speed, simplicity, and reliability in diagnosing relay faults.