What does it mean when my 4×4 lights flash on my Ford?
What does it mean when my 4x4 lights flash on my Ford? The 4X4 indicator lamps may flash on some vehicles. This may be due to oxidation buildup and/or premature wear on the sense plate of the shift motor which can send incorrect signals to the 4X4 controller. Terminals on the transfer case connector may also develop a resistive film, leading to faulty signals to the 4X4 controller. What does it mean when the 4x4 indicator light is on? When all of this is working properly, the 4x4 indicator lamp will illuminate seconds after the switch is hit, and you’ll...