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After running the wire did the screen turn on too? At first it sounds like a blown fuse. I'd check your fuses anyway, if they are smoke colored or straight black or have the small part where the two prongs connect broken then there's your culprit.
After running the wire did the screen turn on too? At first it sounds like a blown fuse. I'd check your fuses anyway, if they are smoke colored or straight black or have the small part where the two prongs connect broken then there's your culprit.