Common heater damper door indexing problem.
Our 2000 back up shop truck hot is cold and cold is hot on the controls.
Expensive to fix and usually requires a trip to the dealer
It is built into the liquid line that runs along the passenger side fender.
Start out by checking that the blower has both power and ground and if so then next check the a/c - heater controller...........
I would put on new fuel filters and use some fuel conditioner.
Sounds like the switch broke (the one that directs the air valve) or disconnected somewhere along the shaft.
A 1997 Dodge with a Cummins diesel does not have an oxygen sensor.A 1997 Dodge with a Cummins diesel does not have an oxygen sensor.
No.No.
dodge Cummings diesel
How to check for leaks on vacuum hoses for a dodge diesel
A 2000 Dodge Ram diesel does not have an oxygen sensor.
correct antifreeze for 2006 dodge ram diesel truck
There wasn't a 1998 Dodge Ram 1500 diesel.
Dodge diesel trucks are available anywhere Dodge trucks are sold, via authorized dealerships. Online sites made up of Dodge enthusiasts, such as Ram Trucks, offer sale of used Dodge Diesel Trucks as well.