99 T&C gauges and displays blink
 

I have a 99 T&c with 154k on it. The issue is gauges and display blink periodically. The van also at any speed seems to skip a beat and makes a quick "thrump" sound for just a quick second. I dont think the engne misses it seems to be drive train. any help is appreciated!

i got a 97 doing the same thing any replies? im not seeing any answers thanks good luck