Leadership Team RogNeedham Posted February 26, 2005 Leadership Team Share Posted February 26, 2005 I have disconnected the Lucas electronic ignition amplifier from the car so I now have a other end of the connector under the dash. Is this now redundant as I understand that the Alpha ECU (P1071 model) has everything the car needs (in case you hadn't guessed I'm crap at electrics *confused*). Having followed other threads the white/black wire in the Lucas unit is for the tacho - how does this now connect 🤔 heeeelp Rog Link to comment Share on other sites More sharing options...
Peter T Posted February 27, 2005 Share Posted February 27, 2005 All the ignition wires are redundant now. The weber ECU has it's own feed for the Tacho, you might need a pull up resistor depending on what tacho you have, if so then ask a weber dealer for part number 9990300700 which is the bit you need. Link to comment Share on other sites More sharing options...
Leadership Team RogNeedham Posted February 27, 2005 Author Leadership Team Share Posted February 27, 2005 *thumbup*thanks Peter - I'll give it a go Rog Link to comment Share on other sites More sharing options...
Leadership Team RogNeedham Posted March 3, 2005 Author Leadership Team Share Posted March 3, 2005 ok....there still something missing. I have the Alpha harness from Rob G that came with his engine. As stated before I have the existing connector from the old Lucas Ignition amplifier under the dash. I still need a switchable power supply. The Alpha/Webcon harness has a brown wire and a black wire which Rob states were connected to the battery. ....so I'm still confused as to how, when I turn the key the car will start 🤔 (I knew the electrics would p**s me off) Rog Link to comment Share on other sites More sharing options...
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