Controls (wired according to figure 1), Lack of case ground on swichgage, Failure of contacts on swichgage – Murphy TATTLETALE 518E User Manual
Page 2: Figure 2 figure 1, Contact. (not necessary if oil pressure swichgage, Or broken/cut wire, Verify that mounting bracket on the swichgage, Troubleshooting typical wiring diagrams

This manual is related to the following products: