Hi

Can anyone on here describe how to wire the towbar electrics on the towbar i have just fitted?
I have bought a 'Ryder straight bypass relay' but i do not understand the instruction sheet at all. Here are some of the things i am wondering about:

• do i have to cut existing wires?
• the sheet talks about a power source from the battery - not sure about this?
• does it wire into the rear lights?

The guy who i bought the bar from said it was easy - is this the case?
I could really do with a step by step guide that an idiot can understand!

Many thanks