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Old 27-03-2014, 08:38 AM   #37
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Richard's Avatar
Join Date: Oct 2003
Location: N Lincolnshire
Posts: 625
Subframe: Home Made
CC: 1800
Make: Rover
ECU: Emerald

Listen to Mike (picKup), he wired his first EU3 engine 11 years ago and has done several of mine since. The ring is not needed but is just a nice to have.

You state earlier that you have power on the relay coils, I assume you mean positive.
Remember the ECU does its switching on the negative side so the ECU must be correctly connected to negative (earth). From memory I think there are several ECU earth wires.
Have fun.
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