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Old 01-03-2011, 02:54 PM   #3
emolineaux
 
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Join Date: Jan 2008
Location: Aberdeen,nc/columbus,nj
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Quote:
Originally Posted by BonzoHansen View Post
Does the fan trigger via ECM or fan switch in this car?
well its got a coolant temp sensor for the gauge and also has a temp switch in the drivers head, i believe it the switch sends info to the ecm which it than turns fans on.

switch and sensor are only a few months old(changed everthing out when i did waterpump job.)

ive been reading up on this and a bunch of people are having same issue. which could be a bad ecm.

i have to bring my tester home tomorrow to see if i might have a broken wire somewhere.
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07 Silverado 1500 5.3
01 Z28 6 speed
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