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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 4L60-E/4L65-E (Service & Replacement) >> Diagnostic Information and Procedures >> Tow/Haul Switch/Indicator Always On or Inoperative >> Test Description

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 2. This step tests for a faulty tow/haul switch.
  2. 3. This step tests for voltage input from the BCM to the tow/haul switch.
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