speedometer

Switched from the stock square 225/55r16 to 265/35r18 (front) & 285/35r18 (rear) for my '03 . I'm assuming my Speedo is gonna be off after this, though I don't know by how much. I called the dealership but apparently they don't perform calibrations to vehicles this old. For those dealing with...

Hey y'all, I got my first SN95 about a month or so back and the speedometer doesn't work for it. Come to find out, the guy previous had put in an 01 GT manual transmission that has a magnetic speed sensor. I've since replaced the sensor, but that didn't change anything. I picked up a Dakota...

Ok, so my speedometer and odometer are not working. All other gauges work correctly. I'm sure this question has been asked several times, but I cannot find a solution to my problem. Here's what I've done so far. 1. Changed out the worm & drive gear inside instrument cluster. No change. 2...