12/24V Car Relay Tester 4 & 5 Pin Diagnostic Tool
12/24V Car Relay Tester 4 & 5 Pin Diagnostic Tool in truck cab
An automotive electrical relay testing tool shown in a car engine bay, with a hand plugging a small connector into the red-and-black device. The image includes the text 'WIDE APPLICATION' and six smaller labeled photos demonstrating use for vehicle electrical systems, relay testing, automotive repair, different relay types, 4-5 prong testing, and portability.
12/24V Car Relay Tester 4 & 5 Pin Diagnostic Tool
A pair of battery clamps with red and black handles connected to a red and black cable, shown on a plain white background.
A mechanic in a dark blue uniform uses a red and black diagnostic tool on a car engine bay with the hood open, set against a studio background with a yellow graphic accent and a BB Overstock Parts' logo in the top left.
12/24V Car Relay Tester 4 & 5 Pin Diagnostic Tool
12/24V Car Relay Tester 4 & 5 Pin Diagnostic Tool in truck cab
An automotive electrical relay testing tool shown in a car engine bay, with a hand plugging a small connector into the red-and-black device. The image includes the text 'WIDE APPLICATION' and six smaller labeled photos demonstrating use for vehicle electrical systems, relay testing, automotive repair, different relay types, 4-5 prong testing, and portability.
12/24V Car Relay Tester 4 & 5 Pin Diagnostic Tool
A pair of battery clamps with red and black handles connected to a red and black cable, shown on a plain white background.
A mechanic in a dark blue uniform uses a red and black diagnostic tool on a car engine bay with the hood open, set against a studio background with a yellow graphic accent and a BB Overstock Parts' logo in the top left.

12/24V Car Relay Tester 4 & 5 Pin Diagnostic Tool

Regular price $19.00
Sale price $19.00 Regular price $36.00
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12/24V Car Relay Tester 4 & 5 Pin Diagnostic Tool

12/24V Car Relay Tester 4 & 5 Pin Diagnostic Tool

Regular price $19.00
Sale price $19.00 Regular price $36.00
Unit price
Product description
Shipping & Return

Quickly diagnose coil and contact issues in standard 4-pin and 5-pin automotive relays with this high-precision 12V/24V Car Relay Tester. Engineered for automotive technicians, fleet mechanics, and DIY enthusiasts, this diagnostic tool accurately tests relay pin configuration, contact closing/opening actions, and overall switch functionality in seconds.

Key Features & Benefits:

  • Versatile Diagnostic Capability: Designed to test both 4-pin and 5-pin automotive relays across 12V and 24V vehicle electrical systems.
  • Automatic Health Check: Evaluates relay contacts, opening/closing cycles, and terminal performance to identify faulty coils or burned-out contacts.
  • Clear LED Indicators: Features intuitive visual pass/fail status lights for fast, hassle-free troubleshooting.
  • Heavy-Duty Alligator Clips: Secure color-coded battery clamps ensure stable power connections directly from the vehicle battery.
  • Compact & Portable Design: Lightweight handheld construction fits easily into any tool chest, glove compartment, or mobile service bag.

Product Specifications:

  • Model / MPN: CNB-707
  • Voltage Compatibility: 12V / 24V DC
  • Supported Pin Configurations: 4-Pin, 5-Pin
  • Power Source: Vehicle Battery Powered (No internal batteries required)
  • Color: Red / Black

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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.

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