Hyper flash issue

[cdahlen]

I got led turn signals on my 11 expi. Also installed the resistors so they dont hyperflash. Have been working up untill last week. They flash the normal rate if the parking/headlights are off, but hyprrflash when i turn park/headlights on. What should i be looking at or for? Thanks

 

[JamaicaJoe]

Bad grounding of the headlight wiring loom. Find where ground returns to the frame.

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[cdahlen]

Thanks. Any clue where i should start looking?