The rear fog was standard in '91 on the wagon, came on my '91 new. The switch panel is only different in the extra logo for the rear fog printed under the front fog icon.

The tail-lamp holder is different with the extra bulb on the driver's side, wiring different, switch different internally with the bulb-holder and circuit for the rear fog and indicator.

Your LED must be for something else, is not original.

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Gone to the dark side

- Jeff