First off, welcome to winnieowners!
Second, you should add a signature to your user profile. It usually includes the year, make and model of your coach, but can include other information. A signature is appended to each post. To create/edit a signature, click on the "User CP" link in the orange bar at the top, then click on "Edit Signature."
The wiring diagrams for your coach are available at this link
. Look for the "Chassis Wiring Installation" diagram set. The battery solenoids are located inside the "chassis electrical box." The box is located inside the compartment in front of the stairs.