Supplies a positive or negative voltage or ground at probe tip. You can check polarity; test continuity or power up components like cooling fans, fuel pumps, wiper motors, relays and lamps prior to fitting. Makes tracking short circuits, voltage, continuity, and bad earths easy.
Powered by the vehicles own 6-12 volt DC power supply and fitted with sensitive trip device to prevent circuit damage.
Computer safe and complete with 4.5m of cable.
Gunson 77023 - Auto Probe 6-24 volt.
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