Hi im new and need some help!!!

DARYLDIXON

Member
Joined
May 2, 2019
Location
BUNNELL FLORIDA
TDI
2013 JETTA TDI 2.0L SEDAN
i have a sweet 2013 jetta tdi with 34k.
my 3rd brake light doesnt work, i took out the light after trying the emergency flashes thing and it didnt light then either, so i hooked up a 9vlt battery and it lights right up.
the connector looks real good no corrosion etc and snaps firmly into place.
any ideas on whats wrong?
could i run a wire straight to my rear brake light? i dont have a probe or meter so i dont know what color the brake light wiring is. where does the 3rd light wire into? could it be unplugged somewhere?:confused::confused::confused:
 

mr.loops

Veteran Member
Joined
Nov 24, 2010
Location
Kelowna
TDI
2002 jetta, 2003 Bora 1.8T
If I understand this correctly, when you press the brake pedal your main brake lights work but not the third brake light.
Then if you put 9 bolts directly to the 3rd brake light it lights up. If this is correct, then it sounds like a wiring issue - an open or a voltage drop in the circuit.

Without a DVOM to properly test the circuit all you really can do is visually inspect the wiring, or hope a wiggle test produces something




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