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2015
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Explorer Limited, 3.5L Eng VIN 8, AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Description & Operation (Except Diesel & Hybrid)
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Powertrain Control Hardware
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Power and Ground Signals
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Signal Return (SIGRTN)
Signal Return (SIGRTN)
The SIGRTN is a dedicated return path for VREF applied components.