Eec Power Relay Wiring Diagram. Turning dash mounted toggle. What i found was that i had power under no load but lost power when load was applied.
What i found was that i had power under no load but lost power when load was applied. Cranks ok but no start checklist for fuel injected mustangs revised 18 oct 2006 to include tfi fault during crankrun cycle. But with the jumper my fule pump wouldnt go.
If switch is okay repair open in vpwr circuit between eec power relay and fuel pump relay.
I had a new relay handy from the sensor pack i bought. Ford eec iv manual. St relay iso starter relay. The eec power relay is easy to recognize because its usually a brown color.