F 350 4WD Pickup V8-351 5.8L VIN H EFI (1997)
Four Wheel Drive Indicator Lamp: Description and Operation
4x4 High Range
When the 4-wheel drive high range is engaged, the switch closes at first contact and the 4x4 HIGH RANGE lamp illuminates. When the low range is
engaged, the switch closes a second contact and the low range bulb illuminates at the same time as the 4x4 LOW RANGE lamp illuminates.
4x4 Low Range
The 4x4 low and high lamp circuit consists of two indicator lamps located on the instrument cluster and a switch located in the transfer case. One lamp
indicates when the vehicle is in the 4-wheel drive high range position (4H) and one lamp indicates when the vehicle is in the 4-wheel drive position
(4L).
