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Old 11-10-2012, 12:27 PM   #9
rivenwolf
 
Drives: 2010 2SS RS M6 CGM
Join Date: Apr 2012
Location: Nashville Tn
Posts: 18
if the light only stays on for about a min and turns off then one of the 2 heater elements have gone bad. the resistance in the element will be off. GM diag makes you test all the wiring and module but If you go straight to the connecters for the elements and test you will find the problem. the back element just has just 2 pins. the bottom element you need to test pins 3 and 4. the seat will need to be room temp and usally see between .5 and 2 ohms on each element.
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