Newbe

[Jeff A]

2008 tahoe ltz left turn signal will blink fast then return to normal. Checked bulbs, sockets, wire harness. All normal. Need help. When blinking fast backup bulb lights.

 

[HiHoeSilver]

2008 tahoe ltz left turn signal will blink fast then return to normal. Checked bulbs, sockets, wire harness. All normal. Need help. When blinking fast backup bulb lights.

What kind of bulb do you have in it?

 

[Rocket Man]

Sounds like it’s an led bulb?

 

[adriver]

If its a 2008 that's a NNBS model and you should be posting in the 2007-2014 section. When that happened on my 2002 it was because a taillight bulb was out, and they are on the same circuit.