The Install Doctor has gathered common radio wiring information for the most popular automakers and placed this information into quick reference documents. Each document shows a diagram of the automakers radio wire harness connector and lists what each wire is with its typical wire color. In Adobe Acrobat Reader Format NOTE: You may see a blank white Adobe Acrobat Reader page displayed after clicking on a document. This is a standard screen Acrobat Reader displays while the entire document is loading. The blank white page will be replaced with the information you requested when the document is fully downloaded. Most documents are under 250 kbytes and should load within a few seconds.