94 Chevy Silverado speedometer is jumping and then feels like it's downshifting from overdrive to 3rd and brake light comes on

10

Asked by Trenton Nov 06, 2019 at 09:26 PM about the 1994 Chevrolet C/K 1500 Silverado Stepside RWD

Question type: Maintenance & Repair

Just trying to just trying to figure out what could
this be speedometer starts jumping and then it
feels like it downshift from overdrive to 3rd and
then brake light comes on and then all the sudden
it goes back to overdrive brake light is off within a
couple seconds it really acts up when the truck is
warmed up and the temperature outside is hot or
very warm

1 Answer

10

I replace the speed sensor and the speed sensor connector I've done the knock sensor and that connector

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