Off hand I can't remember. I just remember when replacing the radio in my '83 TD, I saw a relay in that area and when you use the turn signals or hazards, you here the clicking sound from there.
1994 MB E320 Coupe (199,500 mi)
1992 MB 190E 2.6 (173,000 mi)
1983 Porsche 911SC (148,000 mi)
2004 Volvo V70 2.5T (198,000 mi)
President of CT/Westchester Section