idosubaru Posted February 23, 2022 Share Posted February 23, 2022 Rear tail lights work when parking lights are turned on. No tail lights when headlights are turned on. The parking lights and headlights use a different fuse and relay. I swapped relay with no change and all fuses are good. oddly the wiring diagram just shows two wires from the headlight switch - one to ground and one to MB-14 “tail and illumination relay”. Seems odd it doesn’t trace it all the way to the light fixtures. Tried a different relay in tail relay in the engine fuse box and it made no difference. gonna buy new bulbs and relay any suggestions? Link to comment Share on other sites More sharing options...
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