Describes the systems controlled by each
fuse (from 1975 Owners Manual).
Describes the relays on late model Spits
Links to download some excellent wiring
diagrams by Tom O'Malley
Troubleshooting & Resources
Items I have found regarding ignition
This page lists problems with your gauges and
Information about the front lights on early
Voltage Regulators (outside link)
Testing of the standard Lucas Control Box or
Voltage Regulator installed on all Triumph
Spitfires (and many other models) that have a DC
Wiring Colors (outside link)
Yes, British wiring gets a hard knock but the colors are not just random.