wanted horn relay

Hey fabo member's I'm looking for a horn relay for my 73 duster having a hard time finding one up here in Canada i,ve seen them on eBay but i don't have an account or pay pal so if some has one or can tell me where i can get one please let me know I've also talked to nat mopar he said he would look back never got back so i thought I'd shake the bush's here thank's