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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> Electrical >> Starter >> Starters >> Diagnostic System Check - Engine Electrical >> Scan Tool Does Not Power Up >> Test Description
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Test Description

The number below refers to the step number on the diagnostic table.

  1. 4  - If the battery positive voltage and ground circuits of the DLC are functioning properly. The malfunction must be due to the scan tool.

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