Test C: No Power In Acc Position
WARNING: This page is about a different car, the 2002 Lincoln Blackwood. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition switch to RUN position. Turn radio on. If radio operates correctly, replace ignition switch. See IGNITION SWITCH under REMOVAL & INSTALLATION. If radio does not operate correctly, perform TEST E: NO POWER IN RUN POSITION .