Took about 30 hours+ to do. If I were to have done it more simply, you hook up to the built-in (4) police power signals (pos/neg/sync/pattern) then cut the wires in the passenger side. But I didn’t want to. I could go back to using those if I want because I left them intact.
Enhancing Your Ford Police Interceptor Utility with Whelen Ions and OEM Mirror Covers
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