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Electrical Troubleshooting


DotFuse System
Describes the systems controlled by each fuse (from 1975 Owners Manual).

DotRelay System
Describes the relays on late model Spits

DotWiring Diagrams
Links to download some excellent wiring diagrams by Tom O'Malley

DotIgnition Troubleshooting & Resources
Items I have found regarding ignition systems

DotGauge Problems
This page lists problems with your gauges and possible fixes.

DotFront lights
Information about the front lights on early Spits

DotTesting 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 Generator.

DotWiring Colors (outside link)
Yes, British wiring gets a hard knock but the colors are not just random.

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