2 Blue wires in glow plug harness?

Runner

Member
Joined
Apr 8, 2016
Location
Port Orchard, WA
TDI
2005 Passat Wagon 2.0 TDI
I have a 2005 passat 2.0 TDI (B5.5) Automatic
I was looking at my Glow plugs today and saw 2 wires one thicker blue wire and one smaller blue with black stripe. they do not go to anything I can see but are clearly in the glow plug harness. any idea what these are? maybe for the manual coolant glow plugs? thanks.
 
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