Yousef187 Posted March 9, 2019 Report Share Posted March 9, 2019 HellI there is ground wire with the USB cable for v88R and v88R3 even old uint V88 When you ground it to the block u can be online without turning the ski on That ground wire to which pin gos Thanks Quote Link to comment Share on other sites More sharing options...
Adamw Posted March 9, 2019 Report Share Posted March 9, 2019 Assuming you are talking about the Yamaha ECU? The "power up" ground wire is connected to pin 7 on the separate 26 pin plug. This pin sends the ground signal to the main relay. Unfortunately I dont have a good record of how the pins are numbered on that connector so I cant tell you exactly which pin is pin 7 but it will be one of the corner ones. Quote Link to comment Share on other sites More sharing options...
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