OTC 3631 Heavy Duty Logic Probe Tester
Multi-functional design allows testing range of 3–26 volts.
Features:
- Bright red and green LEDs interpret voltage signals such as ground, power, and frequency.
- Tests fuel injectors, solenoids, presence of serial data, and tach reference signals.
- Output tests on MAF, Cam, Crank, Hall Effect VRS sensors and more.
- High impedance input compatible with computer circuits and sensors.
- Air bag safe.
- 12′, heavy-duty, twin clip, red coil cord lead.
- Checks 6-,12-, and 24-volt systems.
- Ergonomic, slim designed clear handle.
- Positive contact molded strain relief.
- Heavy-duty stainless steel probe with insulated shaft.
Specifications:
- Dimensions | 2.2 × 13.6 × 2
- Weight | 0.65 lb








