No communication

1998 CHEVROLET BLAZER
6 CYL • 4WD • AUTOMATIC
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SPETE1957
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  • 4 POSTS
I have no communication with the vehicles ECM I have even changed it out I have also checked all the fuses still I have no communication Help
Jan 6, 2011 at 6:48 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
If the ECM is good, check wiring to and from it. Chece to make sure the wiring harness is in good condition and not corroded.
Jan 11, 2011 at 2:56 PM
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SPETE1957
  • MEMBER
  • 4 POSTS
Thank you so very much it turned out to be the cigarette lighter fuse It did not burn at the top like most fuses it burned at the side near the pin at the bottom the DLC and that circuit share the same darn fuse :)
Jan 11, 2011 at 4:03 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Glad you got it fixed. Let us know if you have questions in the future.
Jan 11, 2011 at 4:50 PM
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