In electrical diagram stays that rev counter goes to pin 2 on EDIS 4. From which side do they start count? (under M or under t - Motorcraft). Rev counter is in dashboard - sierra 2.0 DOHC - on which pins on dashboard goes + and - from batrtery, and on which one signal from EDIS?

Electrical installation is taken from sierra 1.6i CVH 59 kW. Hadn't rev counter installed before?