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'69C-10 · 03-29-2018, 02:17 PM

So my '71 C10 has a heavy truck cluster in it with the Tandem Lock Light. Yesterday that light came on and has remained on since. Out of curiosity any ideas as to what would be causing that light to come on?

03-29-2018, 02:17 PM	#1
'69C-10 Registered User Join Date: Nov 2012 Location: Freeport, IL Posts: 73	Tandem Lock Light So my '71 C10 has a heavy truck cluster in it with the Tandem Lock Light. Yesterday that light came on and has remained on since. Out of curiosity any ideas as to what would be causing that light to come on? __________________ '67 C-10 SWB '18 Sierra Denali '18 Volvo XC90