Wiring a ceiling fan with light is definitely a DIY job that anyone comfortable doing basic electrical work can tackle. Once you understand the ceiling fan wiring colors, and even if you’ve never attempted to wire a ceiling fan, the steps involved are very straightforward and accessible to even the most casual DIY handyman. Ceiling Fan Red Wire Connection. Samuel, the red wire from the ceiling fan fixture box is typically connected to the blue wire of the ceiling fan which is for the light fixture of the ceiling fan. Typically the red wire is controlled by a separate wall switch. Wiring diagrams for ceiling fans may be found using the links below.