1993 Chevrolet Silverado Speedometer

CHEVROLET SILVERADO
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JIM3
  • MEMBER
  • 2 POSTS
93 chevy truck full size speed metter dont work, have change speed sensor on transmisson, went to junk yard tried 4 diff inst clusters nothing still dont work dont think all 4 would be bad. is there a fuse or a relay anywere. please help i cant afford to take to shop----- i am 67 years old sure cant afford a speeding ticket sure will thank you if anyone can help i love my old truck just cant aford another truck or car my onlt way to get to town and doctor. thanks verry much jim3
Feb 22, 2007 at 11:48 PM
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CHEVY22
  • ✓Experienced Mechanic
  • 1,375 POSTS
there is a vss buffer on the left side of the dash that controls the speedo function here is the diag from gm


https://images.2carpros.com/forum/automotive_pictures/59481_vss_buffer_1.jpg

thanks jim oh and leave some feedback if you were happy with your help , we all donate our time here helping others free of charge
Feb 25, 2007 at 10:44 AM
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CHEVY22
  • ✓Experienced Mechanic
  • 1,375 POSTS
i know its small try and save the image to your hard drive and expand it in your picture software , and if you find the buffer is faulty i will give you the part number , gm parts guys must be the same all over the us
Feb 26, 2007 at 1:54 AM

Suggested Repair

Check the vehicle speed sensor (VSS) buffer on the left side of the dash, which controls speedometer function. Follow the GM diagnostic procedure, and replace the buffer if it tests faulty.

Conversation Summary

The owner of a 1993 full-size Chevrolet truck says the speedometer still does not work after replacing the transmission speed sensor and trying four used instrument clusters. The expert identifies a VSS buffer on the left side of the dash as controlling speedometer function, points to GM diagnostics, and offers a part number if the buffer is faulty.

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