76 argosy no rear tail lights, help
So close to finish. Rear lights previously worked, took off rear taillight lip to repair cracks, reinstalled, painted rv, restored rear bath. Last pm went to hook up trailer and no rear lights at all on lip, yes has clearance lights. Where should I start tracing? Are there fuses or a main ground that would be easy to start with. My main concern is I remodeled the rear bath and did some drilling for new pop rivets for the original molding. Any suggestions would be greatly appreciated. Iím not an electrician so this is difficult to understand.