2003 chevy blazer 4.3?

Doug Foor

New member
ok well the truck wants to start when turning over i checked for spark and it is orange and also orange at the coil so i dont know how to test the coil with a multimeter , or the resistance that it needs to be so if someone can give me good details or what you think, it would be appreciated. also no symptoms up to this point of not starting it ran just fine, also i have fuel
i haven tested the ecm yet it is all factory
 
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