You can add a tachometer to your 2003 Itasca Spirit's Ford E-450 chassis by installing an aftermarket tach that connects to the ignition coil negative terminal or ECM. Autometer and VDO make excellent options that mount in a 2-1/16" gauge pod.
A speedometer that jams at 60 km/h on a 1999 Ford F53 is typically caused by a failed stepper motor in the instrument cluster. Since the odometer and cruise control work normally, the speed sensor is functioning properly and the issue is isolated to the gauge itself.
5 Star X4 tuner improves V10 throttle response and transmission shift points noticeably. Fuel economy gains are modest. Best program for RVs is Tow mode. Worth it if you want better drivability.
142K miles on Cummins ISM 500 with Allison MH4000 is moderate mileage. These powertrains are designed for 500K+ miles. Focus on maintenance history and condition, not just mileage.
Open Roads disabled Loves app integration but physical card still works at pump. Swipe your card normally - only app-based transactions are blocked. Contact Open Roads for explanation.
Speedometer stopping at 39 mph with working cruise indicates a stepper motor failure in the cluster. The motor can be replaced for $15-30 with soldering, or send cluster for professional rebuild.
The Walker 21470 big truck muffler can provide modest performance gains and deeper sound on a 2003 Ford F53 chassis. Installation is straightforward but requires proper exhaust system modifications and professional welding for best results.
Minor pinion seal sweating on Dana Super 70 is normal - no drips means no problem. Axle tube weld sweat is also common. Check level annually and only repair if active dripping occurs.
Your 2013 Tiffin Allegro's erratic odometer readings typically indicate a failing speedometer/display unit or corrupted memory. While replacement costs $900-1200, you can document actual mileage for resale and explore warranty coverage or alternative solutions.