Clicking Noise From Flasher When Turn Signals are Off on GMC Yukon Denali

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.

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Average mileage: 179,462 (126,000–260,000)
8 model years affected: 1999, 2000, 2001, 2002, more2003, 2004, 2005, 2006
11 people reported this problem
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Viewing 1 - 3 of 3 problem details
2000 GMC Yukon Denali 126,000 mi,
The turn signal SOUND or NOISE is constantly will not stop. It is constantly on even though the turn signal is not in either left or right position.
1999 GMC Yukon Denali 190,000 mi,
Replaced turn signal switch
2001 GMC Yukon Denali 165,000 mi,
non- Denali, but same issue. turn signal clicking noise is constant, even though the turn signals are not on