Explorer Sport Trac 2WD V6-4.0L (2009)
-
Is any voltage present?
Yes
REPAIR the circuit. TEST the system for normal operation.
No
GO to AC10.
-------------------------------------------------
AC10 CHECK THE TRAILER BATTERY CHARGE RELAY (ALWAYS ON)
-
Measure the voltage between the trailer battery charge relay pin 86, circuit CBP12 (GN/WH), BJB face side and ground.
-
Is any voltage present?
Yes
GO to AC11.
No
INSTALL a new trailer battery charge relay. TEST the system for normal operation.
-------------------------------------------------
AC11 CHECK CIRCUIT CBP12 (GN/WH) FOR A SHORT TO VOLTAGE
-
Disconnect: SJB C2280e.
-
Measure the voltage between the trailer battery charge relay pin 86, circuit CBP12 (GN/WH), harness side and ground.
