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Old 12-12-2004, 01:00 AM   #1
spender
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Join Date: Sep 2004
Location: Las Cruces, New Mexico
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ECM B fuse blows '87 GMC 1-T p/u 454

ECMB fuse blew and had the truck towed 50 miles home. How do I determine if it is fuel pump wiring or failure, or is it a list of other possible causes?

It's a 1-ton crew cab dually with a 7.4 L (454). I will check for frayed or melted wires in the morning. Any suggestions are appreciated. I am in Las Cruces, NM.
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