cluster

Hi everyone first off thanks for the invite to the site. So i work at a Dodge Dealership and im in sales and the technicians are stumped so i figured i would reach out to everyone here... 2 years ago my Horn stopped working. Heard it could be the TIPM, also was told the horn just went bad...

My dash lights work as well as my speedo and tach but I not the mileage (led readout). I have tried resetting the TIPM by disconnecting the battery and attaching the battery cable together for 25 minutes or so and nothing. I adjusted the interior lights up and down but the led is not...