Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB - View Single Post

RZNT4R · 11-11-2018, 05:16 PM

That third brake light is probably led, you could have a busted diode and current feeding back from the parking lamp circuit through the 4th light and back up the brake lamp circuit.

11-11-2018, 05:16 PM	#16
RZNT4R Professional Mechanic Join Date: Apr 2010 Drives: 2017 86 6MT Oceanic Location: Quebec, Canada Posts: 789 Thanks: 17 Thanked 634 Times in 371 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	That third brake light is probably led, you could have a busted diode and current feeding back from the parking lamp circuit through the 4th light and back up the brake lamp circuit.