Navigator 4WD V8-5.4L (2010)
No
REPAIR circuit CAT23 (GN/YE) for an open. TEST the system for normal operation.
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AD8 CHECK FOR VOLTAGE AT THE TRAILER TOW CONNECTOR (BATTERY CHARGE ALWAYS ON)
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Ignition OFF.
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Measure the voltage between the trailer tow connector pin 5, circuit CAT14 (OG), component side and ground.
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Is any voltage present?
Yes
GO to AD9.
No
The vehicle is operating correctly. SEND the trailer to an authorized camper/trailer repair facility.
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AD9 CHECK THE TRAILER BATTERY CHARGE VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
-
Disconnect: Trailer Battery Charge Relay.
-
Measure the voltage between the trailer tow connector pin 5, circuit CAT14 (OG), component side and ground.
-
Is any voltage present?
Yes
REPAIR circuit CAT14 (OG) for a short to voltage. TEST the system for normal operation.
No
GO to AD10.
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AD10 CHECK FOR VOLTAGE TO THE TRAILER BATTERY CHARGE RELAY COIL (BATTERY CHARGE ALWAYS ON)
-
Measure the voltage between the trailer battery charge relay pin 1, circuit CAT23 (GN/YE), BJB face side and ground.
