no voltage at the data link connector

2007 CHEVROLET SILVERADO
90,000 MILES
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DONSRIC
  • MEMBER
  • 1 POST
The truck did not pass emissions test. Stated the problem as no voltage at the data link connector (computer connection)
Feb 11, 2012 at 3:55 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
What liter engine is this?
Feb 11, 2012 at 3:59 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
Check the red/white wire to the fuse block for power.
Feb 11, 2012 at 4:00 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
The Red and wire goes to the ECM BATT fuse no.13 10amp
Feb 11, 2012 at 4:06 PM
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