2005 mercury sable

Left rear brake light not working, all other lights working corectly.

1 thought on “2005 mercury sable”

  1. My first thought would be replace the light bulb. Try swapping it with the other side and see if the issue follows the bulb…. get a new bulb. Check for power and ground at the plug and trace backward if it is not there and correct the wiring.

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