Could someone please tell me why my reversing lights wont work on my ESRT. All the other lights work except those . Ive checked the fuses under the bonnet and theyre all ok.

 

Check the gearbox switch, with ignition turned on to pos 2 bridge the two connections on the loom plug that goes to the switch, if they now light look at replacing the switch, if they don't check bulbs are ok.
At one of the terminals at the connector you will have a live with ignition on, so if no joy above check that.
tabetha

 

Ive checked the bulbs and theyre fine, where abouts is the gearbox switch located?

 

I'm not sure on your car, but think it's on the side facing the n/s inner wing, it will be the only electrical connector going to the box anyway so can't go wrong.