Rthrush

Before you start throwing money at your slides, do one thing first. Go to the solenoid and make sure the connections are tight. For some...

I am sure that a 2500 will not safely pull this 377FL. Your payload is way under capacity for the safe hauling this would require. Here...

Check your solenoid you either have a connection loose or you need to replace it because it's not reversing polarity.

Just replaced the exact same cylinder on mine. The aluminum cylinders are non serviceable. I was able to get a Lippert brand replacement...