Thanks guys! John I sometimes use a piece of dark colored thread to hold the wires in place (a dab of white glue on the back side to hold the thread together) and I also use masking tape painted in various colors to replicate duct tape that you sometimes see on race cars to hold the wires in place.
This is a fairly recent build with an AMT body and a heavily modified Revell chassis and lots of pieces from the parts box. Scratch built wing, cage and so on. MM paints and Slixx decals.