Autel PowerScan PS100 Power Circuit Probe Kit, Automotive Circuit Tester, 12V 24V Electrical System Diagnostic Tool

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Versatile Vehicle Diagnostic Scanner

The Autel PowerScan PS100 is a revolutionary circuit tester that allows you to check circuitry in one single step. With its AVOmeter, test light, built-in flashlight, short circuit indicator, relay/component tester, continuity tester, and bad ground indicator, it is the ultimate tool for every technician.

NOTE: Not applicable to all models. Please check whether it is suitable for your vehicle model before purchasing.


The Autel PS100 Car Circuit System Diagnostic Tool can quickly and accurately diagnose the electrical system, and solve problems such as circuit short circuits, open circuits, etc., making it an essential circuit scanner for every technician.

Autel PowerScan PS100 Automotive Circuit Tester

Autel PS100 Circuit Tester Kit--- Do Everything For You

DC voltage range: 0-65V +1 digit; Resistance range : 0–200 KΩ; Frequency response of tone passage: 0Hz to 10Khz.

Performs multi-service including power injection, measurement, ground testing, polarity checks, continuity testing, and components activation

Easy to read AVOmeter allows you to read voltage, current, and resistance at the fingertip

Component activation with a flip of the power switch,

Instantly identifies positive, negative, and open circuits

Test bad ground contacts instantly, allowing you to follow and locate shorts fast without wasting fuses

Instantly checks the continuity of switches, relays, and diodes

Circuit breaker protected

Extra 20ft (extendable) cable provides excellent accessibility to test along the vehicle

Built-in Flashlight, work in the dark

Simple button design

Autel PowerScan PS100 Automotive Circuit Tester

More Useful Features, Give You Try

Autel PowerScan PS100 has rich functions, please check the following introduction:

  1. 4 modes to diagnose the electrical system: DC voltage, AC voltage, resistance, and diode.
  2. Voltage & Polarity Test: According to the LED light and sound after the probe tip touches the circuit, it can accurately judge the positive, negative, and open circuits.
  3. Continuity Test: While the tool is in Resistance mode, using the probe tip with chassis ground or the auxiliary ground lead, continuity can be tested on wires and components attached or disconnected from the vehicle’s electrical system.
  4. Signal Circuit Test: When the vehicle has a fault code, in order to quickly determine whether the fault is caused by a certain sensor circuit, you can use this tool to quickly draw a conclusion.
  5. Find Short Circuit: A short can manifest itself as a blown fuse or a tripped electrical protection device. Use the probe tip to activate and energize each fuse contact. The contacts that trip the circuit breaker are shorted.
  6. Find Bad Ground: Probe for suspected ground wires or touch probe tips. If the breaker has tripped, the circuit is most likely grounded.
  7. Activate Component in your hand/ in the vehicle/ W/Ground
  8. Test Trailer Lights and Connections: Check the function and orientation of connectors and trailer lights
  9. Red/Green Polarity Indicator: The red/green polarity LED illuminates when the probe tip voltage matches and is within ±0.8 volts of the battery voltage. It is additional information that may be of value to a technician.

Autel PowerScan PS100 Automotive Circuit Tester

Extra 20ft Extension Cable

20ft Extension Cable:

  • Autel PS100 itself has an extra-long cable, but considering the volume of 12V-24v vehicles such as ships and trucks, we have additionally equipped an extra 20FT extension cable for emergencies.
  • With the 20FT extension cable, you can freely test the condition of any vehicle circuit without moving the device because the cable is not long enough.

Autel PS100 Circuit Tester has two power supply methods:

  1. Vehicle battery power supply
  2. Cigarette lighter power supply

Quick Self-Test:

  • Before you test a circuit or component, be sure your tool is in good order by doing a quick self-test.
  • With the tool connected, perform a quick self-test. The power switch is a momentary rocker switch located on the tool's body. Flanking the switch are positive and negative markings. Press the Power Switch forward to activate the tip with a positive voltage. The Red LED should light and the LCD display will read the battery voltage. If the tone feature is turned on, a high-pitched tone will sound. Let go of the power switch and the LED will turn off and the high tone will cease. Press the Power Switch rearward to activate the tip with a negative voltage. The Green LED should light and the LCD display will read „0.0V‟ (ground). If the tone feature is turned on, a low-pitched tone will sound. Let go of the power switch and the LED will turn off and the low tone will cease. Your tool is working correctly and is now ready for use.

Autel PowerScan PS100 Automotive Circuit Tester

Test Tool Specifications:

DC voltage range

0-65V +1 digit

Resistance range

0 – 200 KΩ

Frequency response of the tone

0Hz to 10Khz

Circuit Breaker Rating current

1 – 10 Amp


TFT color display (160 x 128 dpi)

External Power

12.0 or 24.0 V power is provided via the vehicle battery

Package including

1* PowerScan PS100
1* 20ft. extension cable
1* Rugged blow molded case
1*Probe tip

1* Battery clips

1*Cigarette lighter adapter

1*User's Manual

The Autel PowerScan PS100 Power Circuit Probe Kit is a reliable and powerful automotive circuit tester that can diagnose issues in 12V and 24V electrical systems. This diagnostic tool features a multi-functional LCD display that provides easy-to-understand readings and clear diagnostic information. The kit includes a wide range of connectors and probes for testing various components, making it an ideal tool for professional mechanics as well as DIY enthusiasts.


Autel has developed this diagnostic scanner with a wide range of advanced features, including a built-in voltmeter, continuity tester, and short circuit tester. It can also test polarity and can detect open circuits. The scanner's features enable users to quickly and accurately diagnose electrical system issues in vehicles. The kit also includes a power switch that allows users to turn off power to the probe for safe and accurate testing of electrical circuits in vehicles.


The Autel PowerScan PS100 Power Circuit Probe Kit is user-friendly and simple to operate. You can easily switch between modes and select the appropriate test function with the touch of a button. This makes it easy for users to get accurate and reliable results quickly, which can save time and reduce diagnostic costs. The kit also comes with a durable carrying case for easy storage and transportation to and from the job site.