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GMC Workshop Service and Repair Manuals

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Transmission Mount, A/T > < Tow/Haul Switch <--> [Transmission Mode Switch, A/T]|Locations|Page 4289

Safari Van 2WD V6-4.3L VIN X (2003)

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Steps 1 - 9

Test Description 

The numbers below refer to the step numbers on the diagnostic table.
2. This step tests for a faulty tow/haul switch.
3. This step tests for voltage input from the BCM to the tow/haul switch.

 

Transmission Mount, A/T > < Tow/Haul Switch <--> [Transmission Mode Switch, A/T]|Locations|Page 4289