Clicking Noise From Flasher When Turn Signals are Off on GMC Sierra 3500

Problem Description and Possible Solution

A clicking noise may be noted from the turn signal flasher after the turn signals are switched off.  This is commonly cause by a faulty turn signal switch which will require replacement.

Problem Data
RepairPal Verified
Average mileage: (–)
7 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007
7 people reported this problem