Tachometer Wiring Diagrams For 1979 Mgb. Tachometer wiring diagrams for 1979 mgb top electrical wiring. The plastic former shown in the diagram holds the pulse lead in place and prevents the wire chafing against the case and shorting out.
Switch on the ignition. Common faults part numbers calibration and negative ground conversion. Diagramtachometer wiring diagrams for 1979 mgb 73 mgb tach wire to ignition switch mgb gt forum mg 73 mgb tach wire to ignition switch mgb gt forum mg experience forums the mg experience this is a image galleries about 1976 mg wiring diagram you can also find other images like wiring.
The plastic former shown in the diagram holds the pulse lead in place and prevents the wire chafing against the case and shorting out.
Written by glenn wallace 2006 04 02. How to library electrical and instruments section. G power from switched fuse b ground rw lamp wire from rheostat w from ignition switch. If you have to make a new one the best material to use is soft iron from an old power or audio transformer but any mild steel will do.