Edge AWD V6-3.5L (2009)
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AA3 CHECK FOR VOLTAGE TO THE PARKING LAMP RELAY COIL
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Measure the voltage between the trailer tow parking lamp relay pin 1, circuit CLS30 (VT/WH), BJB face side and ground.
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Is the voltage greater than 10 volts?
Yes
GO to AA4.
No
REPAIR circuit CLS30 (VT/WH) for an open. TEST the system for normal operation.
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AA4 CHECK THE BJB
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Place the headlamp switch in the OFF position.
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Measure the voltage between the trailer tow parking lamp relay pin 5, BJB face side and ground.
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Is the voltage greater than 10 volts?
Yes
GO to AA5.
No
VERIFY the BJB fuse 9 (20A) is OK. If OK, INSTALL a new BJB. TEST the system for normal operation.
If not OK, REFER to the Wiring Diagrams to identify the possible causes of the circuit short.