Just noticed the other day that my 4x4 light slowly lights up when not in 4x4. Can throw it into 4x4 and it will start glowing brighter and when I take it out it goes right out but after 5-10 minutes it starts to come on again. Anyone know what could be causing it and how to fix? Thanks!

 

The mode switch on the TC provides a ground to the lamp circuit. Either the switch is border line defective or one of the wires to the switch has chafed to ground or there is corrosion in the connector creating a path to ground. Example the wires going to the mode switch and remove/examine the connector.