The most effective way to do this is to determine by visual inspection which wires are associated with the level indicators. By disconnecting one of the wires at a time you can confirm that you are swapping the correct set of wires.
That said, attached is a diagram from an older-style level indicating system. The colors listed may or may not match what you have on your coach.
2008 Holiday Rambler Admiral 30PDD (Ford F53 chassis)
2009 Honda Fit Sport