Ecm 1 fuse blowing

Asked by Aug 10, 2016 at 10:30 AM about the 1999 Chevrolet Blazer 2 Door LS 4WD

Question type: Car Customization

As soon  as I turn the key on my 1999 s10 blazer
the ecm 1 fuse blows what could cause this? Plugs
cap rotor wires and crankshaft sensor have all
been replace.

1 Answer

10,655

Begin by checking the OBDII connector also know as the J1962 port, make sure all wires and pins are Ok, make sure pin 16 is not grounding out.

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