'03 No back up lights

[deaner70]

Any ideas where to start? I have nothing at the lights or the plug on back. Cannot seem to tell where to check on transmission plugs? I cannot see a switch anywhere.

Thanks for for the help

 

[Bob4x4]

With the auto trans the back up switcth is part of the trans range sensor.It is on the left side of the trans just above the pan

 

[PWong]

According 04 wiring diagram:
Fuse 38, then WT/GY wire (into sensor), then Range Sensor, then WT/LG wire (out from sensor) and then to light bulb.

 

[deaner70]

Thanks. I'll start tracing