Chevrolet Q&A

Ask Your Question

2003 Chevrolet Express 3500 Question: how can I trouble shoot the coil pack and the electric going to the coil pack.

 

Question

amoose46, Southaven, MS, November 17, 2012, 12:05
 Rookie

Meaning how could I check the wiring harness.

2 Answers
Flag This
  • Answer #1

    November 17, 2012, 12:05
    Profile_thumbnail
     Master

    check for spark

    Flag This
  • Reply

    amoose46, November 17, 2012, 15:10
     Rookie

    I have no spark I want to know how to check it back to a fuse

    Reply
    Flag This
  • Medium-star Best Answer
    November 17, 2012, 16:45
    Profile_thumbnail
     Master

    No fire at all on any cylinder? If only one cyl. misfire, swap that coil with another one to see if misfire follows coil.

    Reply
    Flag This