Mountaineer 2WD V8-4.6L VIN 8 (2006)
J9-J12
Normal Operation - All Vehicles
When the brake pedal is applied, the stoplamp switch routes voltage to the smart junction box (SJB) through circuit CCB08 (VT/WH). The voltage is
then routed out of the SJB to the high mounted stoplamp through circuit CCB08 (VT/WH).
Normal Operation - Explorer
When the SJB detects the brake pedal applied, the SJB provides voltage to the LH and RH rear stoplamps through circuit CLS18 (GY/BN) and circuit
CLS19 (VT/OG) respectively.
Normal Operation - Mountaineer
When the SJB detects the brake pedal applied, the SJB provides voltage to the LH and RH rear stoplamps through circuit CLS44 (VT/BN).
Possible Causes
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Circuit CCB08 (VT/WH) short to voltage
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Circuit CLS18 (GY/BN) short to voltage
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Circuit CLS19 (VT/OG) short to voltage
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Circuit CLS44 (VT/BN) short to voltage
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Stoplamp switch
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Brake shift interlock actuator
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Trailer brake control module
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SJB