- Joined
- Dec 16, 2016
- Messages
- 1,040
- Reaction score
- 867
- Points
- 113
- Location
- Denver
- Vehicle Year
- 2009
- Make / Model
- Ford Ranger FX4
- Engine Type
- 4.0 V6
- Transmission
- Automatic
- 2WD / 4WD
- 4WD
You will need to put a probe on that circuit 12 to see if there is actually power there when you want high beams. My guess, as Cam has already stated, is that the multifunction switch is bad.