F 150 4WD V8-4.6L VIN 8 (2010)
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For DATC with navigation, measure the voltage between the HVAC module C228a-13, circuit SBP15 (WH/RD), harness side and ground.
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For DATC without navigation, measure the voltage between the HVAC module C2901a-26, circuit SBP15 (WH/RD), harness side and ground.
