Over the years I have collected many service manuals and workshop manuals. Here are some downloadable workshop manuals, parts books and wiring diagrams. Most of these are PDF copies of the original factory publications.
TR2 TR3 TR3A
TR2, TR3, TR3A factory service manual An american 1976 reprint of the drivers instruction book and the official service manuals
TR3 Owner Manual the original glove box manual
TR2 TR3 TR4 TR4A colour wiring diagram
TR4
TR6
TR6 Repair Operation manual I have extracted the TR6 wiring diagrams to a separate smaller file
TR7 TR8
TR7 Service manual otherwise known as the Repair Operation Manual.
TR7 TR8 Rover 3500 Fuel Injection manual for the 1980 model year covering EMISSION AND EVAPORATIVE LOSS CONTROL EQUIPMENT AND MAINTENANCE INFORMATION
TR8 Owners manual - The in car glovebox manual.
Stag
Stag Workshop Repair Operation Manual I have extracted the Triumph Stag wiring diagrams to a separate smaller file - Here is colour wiring diagram.
Dolomite Sprint
Triumph Dolomite Sprint Repair Operation Manual.
Herald GT6 Vitesse Spitfire
GT6 Vitesse Workshop manual Vitesse Mk2
Vitesse Mk2 Parts manual you can view or download the manual below
Standard Vanguard I & II and "Renown" models
Here is a copy of a service instruction manual for the Standard Vanguard I & II and Triumph "Renown" models

Herald 1200, 12/50, Vitesse and Spitfire workshop manual Covers Vitesse 1600 and early Spitfires only (Mk1 and Mk2 1147cc).