speedometer

I recently completed a Cummins diesel conversion on my truck, and something odd has been happening with my speedometer. When I’m driving on the highway and keeping pace with traffic, the speedometer shows about 10 mph higher than I think I’m actually going. It’s frustrating because I rely on...

Hello, hope everyone is doing well. I am in the process of getting a custom made gauge face for my truck, I would like to increase the speed from 120 to 160 mph, question is, can the speedometer be programmed / adjusted to read correctly and accommodate the increased speed? And if yes, I would...

A couple days ago my wire harness caught on fire but it only burnt the wires going to the two big plugs on the driver side of the motor. I butt spliced them all together just to get home. Now my speedometer, oil pressure and overdrive don’t work(overdrive I know it’s too working because the...

On way home yesterday abs and break lite came on. Speedometer went to zero. Have PacBreak and Ats commander which didn't work. I finally got an engine light which gave me a P0500 and P0501 (vehicle speed not detected). Would explain why no lock up as Ats commander is set for 32 mph and no lockup...

I buoght a smarty junior tuner and an edge cts monitor. My plan is to set the smarty junior to the lowest setting and use the CTS to watch temps etc. My question is that, according to my understanding, both the CTS and smarty junior are capable of adjusting the speedometer for 35" tires. Should...

My buddy has a 99 LB single cab 4wd, rearwheel ABS. We just swapped the clutch and had the NV4500 rebuilt. Installation went well and we got it all back together without a problem. After 2 days, the ABS/brake light came on and stayed while driving, and the speedometer is jumping around above...