2001 GMC SIERRA
325,000 MILES
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BOBBYKEMP
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  • 1 POST
ecm fuse keeps blowing out.where could there be a short at is it the ecm its self. thank bobby
Nov 25, 2012 at 9:50 AM
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HMAC300
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there are two ecm fuses and both lead to the pcm. it cold be the pcm but check your wireing first as it could be a wire rubbing against the frame or such. one is an orange wire and the other is red wire.
Nov 25, 2012 at 2:30 PM