Buying guide
Powered Automotive Circuit Probes
Our pick
Power Probe PP3CSRED
Choose the Power Probe PP3CSRED standalone package when you need voltage indication and switched battery power or ground for a documented automotive test, provided the 12 to 24 V supply and 20 ft attached lead suit the job. Choose the PP319FTCRED package if you need its separate extension and lighter adapter.1
Why this one
- The standalone package supplies the Power Probe 3, its standard cable, probe tip, battery clips and instructions. Check these contents against the connections your test requires.1

The alternatives
Other contenders
The PP319FTCRED package includes a separate 20 ft extension and cigarette-lighter adapter. Its standard attached lead is still 20 ft; the extension is a separate cable.1
Buying advice
- Confirm the permitted test procedure and component supply before switching battery power or ground to the tip. The stated 8 A thermal breaker with manual reset describes overload protection, not an 8 A current-measurement function.1
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2 products
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Models in this comparison
Every specification for these products
| Specification | Power Probe PP3CSRED | Power Probe PP319FTCRED |
|---|---|---|
| Operating Supply | 12-24 volt sources1 | 12-24 volt sources1 |
| Power and Ground Output | supply Battery Voltage, and ground1 | supply Battery Voltage, and ground1 |
| Attached Lead Length | 20 ft1 | 20 ft1 |
| Included Package | • Power Probe 3 with standard 20 ft (6 m) • Power Cable • 3 in (8 cm) Probe Tip • Battery Clip Set • Instruction Manual/CD PP3CS CONTENTS1 | • Power Probe 3 with standard 20 ft (6 m) • Power Cable • 3 in (8 cm) Probe Tip • Battery Clip Set • Cigarette Lighter Adapter • 20 ft (6 m) Power Cable Extension • Instruction Manual PP319 CONTENTS1 |
| Voltage Measurement Range | DC 0 to +70V +1 Digit1 | DC 0 to +70V +1 Digit1 |
| Separate Supplied Extension | Not published | 20 ft1 |
| Overload Protection | 8 amp thermal response – Manual reset1 | 8 amp thermal response – Manual reset1 |
| Display | Digital Display2 | Digital Display2 |
How they compare
Scroll the table to see every product and specification.
| Specification | Our pickPower Probe PP3CSRED | Power Probe PP319FTCRED |
|---|---|---|
| Operating Supply | 12-24 volt sources1 | 12-24 volt sources1 |
| Power and Ground Output | supply Battery Voltage, and ground1 | supply Battery Voltage, and ground1 |
| Attached Lead Length | 20 ft1 | 20 ft1 |
| Included Package | • Power Probe 3 with standard 20 ft (6 m) • Power Cable • 3 in (8 cm) Probe Tip • Battery Clip Set • Instruction Manual/CD PP3CS CONTENTS1 | • Power Probe 3 with standard 20 ft (6 m) • Power Cable • 3 in (8 cm) Probe Tip • Battery Clip Set • Cigarette Lighter Adapter • 20 ft (6 m) Power Cable Extension • Instruction Manual PP319 CONTENTS1 |
| Voltage Measurement Range | DC 0 to +70V +1 Digit1 | DC 0 to +70V +1 Digit1 |
| Separate Supplied Extension | Not published | 20 ft1 |
| Overload Protection | 8 amp thermal response – Manual reset1 | 8 amp thermal response – Manual reset1 |
| Display | Digital Display2 | Digital Display2 |
