Originally Posted by cmipilot
Picking up a 1975 27' that's been sitting for 15 years. Belonged to my dad before he passed away. Put a new battery in it and the interior lights work. Bad news, I have no running lights anywhere and no wiring diagrams. I recall working on it with my dad back in the 90's but never had any issues with running lights. A place to start? Need to get on the road with it. Vehicle end checks ok.
Examine everything on the coach.
Exterior gaskets, especially the sewer vent pipe cover gaskets that only last 2 to 3 years.
Also check the following.
The Dura-Torque Axle