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Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1672
Experience:  GM Grand Master Technician 2007. 14 year experience.
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2002 gmc 2500 is blowing the ecmb fuse with the fuel pump

Customer Question

2002 gmc 2500 is blowing the ecmb fuse with the fuel pump disconnected and the switch turned off
JA: Do all the fuses have the correct amperage for the circuits they're in?
Customer: yes
JA: Are you fixing your 2500 yourself? What have you tried so far?
Customer: disconnected fuel pump. fuse blows. removed every relay in fuse box... fuse blows.. removed all of the large blade fuses.. fuse blows
JA: Anything else you want the mechanic to know before I connect you?
Customer: the truck was left sitting with the ignition switch on for a week
Submitted: 4 months ago.
Category: GMC
Expert:  KALAMYKID replied 4 months ago.

What size engine do you have in your truck?