What does the speedometer show on a Cheverolet suburban?
What does the speedometer show on a Cheverolet suburban? Speedometer shows 100 mph while going 20 and low speeds when on hiway, etc. (2000, Cheverolet Suburban, 1500, Ltd.) Panel lights flickered, all gauges were rapidly fluctuating, then they all stopped, then came back on, then stopped, etc. for just a few miles (to get home). Once home, Suburban wouldn't even start until the panel was disconnected. What was the problem with my GM speedometer? Speedometer started to act erratically then failed completely. Searched the internet and discovered this was a common problem on certain GM vehicles. Removed instrument cluster (10...