Original Automotive Electrical Circuit System Tester – 0V-70V Diagnostic Tool for Cars & Trucks
The Original Automotive Electrical Circuit System Tester is a powerful and reliable tool designed to diagnose electrical systems in cars and trucks, supporting a wide 0V-70V range. Featuring a TFT color display (160x128 DPI) and a 10-meter extension cable, this tester simplifies voltage checks, resistance testing, and short circuit detection for both professionals and DIY enthusiasts. Whether you’re troubleshooting sensors, activating components, or testing trailer lights, this device delivers fast, accurate results every time.

Key Features & Functions:  
Voltage & Polarity Testing: Quickly identifies DC/AC voltage (0-65V) and positive/negative polarity.  

Resistance Continuity Testing: Displays resistance values (0-200KΩ) on the LCD screen.  

AC Circuit Signal Testing: Efficiently troubleshoots sensor circuit issues.  

Component Activation: Activates parts in-hand, in-vehicle, or with ground connection.  

Trailer Light & Connection Testing: 10M cable enables testing for cars and trucks.  

Bad Ground & Short Circuit Detection: Easily checks ground contacts and locates shorts.

Specifications:  
Display: TFT Color (160x128 DPI)  

DC Voltage Range: 0-65V (±1 digit)  

Resistance Range: 0-200KΩ  

Frequency Response: 0Hz-10kHz (tone pass-through)  

Power Supply: 12V or 24V via vehicle battery  

Operating Temperature: 0 to 60°C (32 to 140°F)  

Storage Temperature: -40 to 70°C (-40 to 185°F)  

Dimensions: 165mm (L) x 40mm (W) x 27mm (H)  

Weight: 1.2kg  

Packing Size: 28.5 x 18 x 8.5 cm

Circuit Breaker Protection:  
Rating Current: 1-10A  

100% Current: No trip  

150% Current: Trips in 1 hour  

200% Current: Trips in 3-30 seconds  

300% Current: Trips in 0.5-4.0 seconds

Why Choose This Tester?
Built for versatility, the Original Automotive Electrical Circuit System Tester offers a compact design (165mm x 40mm x 27mm) and a robust feature set, making it ideal for testing electrical systems in vehicles of all sizes. Its clear TFT display, wide voltage range, and long extension cable ensure precise diagnostics—from bad ground checks to trailer light testing. With built-in circuit breaker protection, it’s a safe and durable choice for automotive troubleshooting.

Perfect For: Car and truck diagnostics, circuit testing, trailer light checks, short circuit locating, and automotive electrical repairs.