Test with a multimeter

DIP switch

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Now: Slider ON: opposite pins

CircuVanta 6000 counts · auto range DCAUTO•)))HOLDFUSE− HOLD LIGHT OFFV⎓V~Ω•)))FmA⎓ mA400 mACOMVΩ Pins in one row 1 A Legs on the opposite row 2 B
Pin 1: Pins in one row (A) Pin 2: Legs on the opposite row (B)

Red probe Not connectedBlack probe Not connected

Hold the probe and drag it to the tip of a leg. Tapping works too: first pick the probe, then the leg.

Set the range to continuity.

Measure step by step

In a DIP switch each slider is an independent switch: in the ON position it joins two opposite pins. Measuring one slider is enough; with a multi-position switch you repeat the same measurement for every slider, on opposite pairs of pins. The sliders are for signal level, not for load current.

Disconnect the switch from the circuit before measuring; do not use the continuity range in a circuit under voltage.

  1. 1Slider ON: opposite legs
  2. 2Slider OFF: opposite legs
  3. 3Slider ON: contact resistance