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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 226 (Testing Wiring Systems For Intermittent & Poor Connections) >> Testing for Continuity >> With a DMM

With a DMM

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  1. Set the rotary dial of the DMM to the ohms position.
  2. Disconnect the power feed (i.e. fuse, control module) from the suspect circuit.
  3. Disconnect the load.
  4. Press the MIN MAX button on the DMM.
  5. Connect one lead of the DMM to one end of the circuit to be tested.
  6. Connect the other lead of the DMM to the other end of the circuit.
  7. If the DMM displays low or no resistance and a tone is heard, the circuit has good continuity.
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