How to test a Ford EEC power relay?
How to test a Ford EEC power relay? Probe the wire labeled with the number 3 with the red multimeter test lead and an appropriate tool like a wire piercing probe (to see what this tool looks like, go here: Wire Piercing Probe ). Ground the black multimeter test lead to a good Ground point on the engine or directly on the battery negative (-) terminal. Turn the Key to its On position. How many wires does a Ford fuel pump relay have? The Ford fuel pump relay has 4 wires that connect to it. Each wire has a specific...