Tachograph E005 receives power directly from the battery, al pin 1 of connector B - from a line protected by fuse F34, located in optional underfacia junction unit B101. The tachograph receives ignition-operated information at pin 3 of the same connector via fuse F27, which is also located in the optional junction unit. The side light activation signal is supplied to pin 2 from the control panel H090. Pins 5 and 6 are connected to earth C020.Tachograph E05 supplies power and earth to tachographic sensor K152 via pins 1 and 2 of connector A. The tachograph receives signals from sensor K152 from pins 3 and 4. Tachograph E005 sends a coded signal from pin 7 to instrument panel E050 - pin 14 connector A -.