I really don't know how long  i can go on a full tank. My expected use is cooking only unless it gets cold and I need my furnace. I have an onboard 38 gal tank.

Thanks for all the great advise. I will make sure I am full before parking on site. 

First time spending the winter in Florida. What do others do when they run out of propane? How do I get my propane tank filled when needed? I will be in Zephyrhills Fl.

Any help will be appreciated.

Try these guys

www.heavydutypros.com

Cummins ISC 8.3L Exhaust Manifold Kit, Dual Port Turbo, 3937477, 3943841

Cummins ISC 8.3L Exhaust Manifold Kit, Dual Port Turbo (heavydutypros.com)

I just received 2 new Penguin II 15k A/C H/P and a 10 button ccc2 thermostat to replace my old 13.5K units.  Ordered from Camperid.

If the PTC fittings are metal, there is a brand (camozzi) bodies are all metal.

The plastic PTC fittings (Legris) work just as well.  

Do a google search for Camozzi Air Fittings.  You will need to know tube size and thread pitch.  You picture seems to show the fitting is screwed in to the block

By the way, the ring that is missing is pushed in to remove the plastic tube

I would suggest you take a hard look at the headlight dimmer switch. To simplify the headlight circuit, headlight switch feeds power to dimmer that feed lightbulbs, hi or low depending on the setting. Since your hi beams are ok, I think maybe the dimmer switch may be failing. 

I replaced mine on my 2003 Diplomat. I replaced mine with Silicone hose. The metal you are referring to between the rubber on mine has a muffler clamp welded to a strap supporting it and after jiggling it around during hose replacement it started leaking at the clamp from the rust. The rest of the metal pipe was fine but there were pin holes in the metal pipe where the clamp was attached. I had to send the metal pipes to a fab shop to duplicate, (no part number or drawing that I could find) I replaced with custom fabricated Stainless Steel pipes. The rubber hoses I took off were hard and cracked. In the end I replaced all the coolant hoses with silicone. If yo use silicone, remember they require a specific style clamp made for soft hose. 

My 2003 DIPLOMAT  8.3 TOOK MAIN BELT TENSIONER # 5259022. 

MAIN SERPENTINE BELT; DAYCO # 3289235

AC BELT; GATES # XL 11A1170