Speedo eratic over 65 mph
Posted: Sat Nov 02, 2024 11:52 am
Hey everyone,
I have a 88 gmc g20 rally stx with a 305. The issue i have is the speedo is decent between 0 and 65 but after 65 it just pegs all the way past 85 and bounces around. I am.wondering if this is most likely a gage issue or the cable? I was thinking if it's a cable I would see issues through the speed range? I really appreciate any help you can provide.
I have a 88 gmc g20 rally stx with a 305. The issue i have is the speedo is decent between 0 and 65 but after 65 it just pegs all the way past 85 and bounces around. I am.wondering if this is most likely a gage issue or the cable? I was thinking if it's a cable I would see issues through the speed range? I really appreciate any help you can provide.