Draper 24706 12V Glow Plug Tester

This glow plug tester enables quick fault finding and diagnosis of glow plugs without removing them from the engine. It provides a real‑world analysis by powering the plugs directly. The unit features six LEDs that indicate the status of the glow plugs and whether the vehicle battery has enough charge to power them. It is powered by a 12V car battery and designed to test the glow plugs in situ, with long leads for convenient reach. Probes and leads are specified for practical use, and the device has a compact form factor with a modest weight for portable handling.

Features

• Six LEDs show glow plug and battery status
• Test without removing glow plugs from engine
• Powered by a 12V car battery
• Probe length: 140mm, diameter 5mm
• Positive/negative leads: 1,350mm
• Test lead: 450mm; compact size and weight

Technical details

Dimensions: 140 x 90 x 35mm. Weight: 257g. Includes test probe and power leads with the specified lengths for practical use.