liamstears Posted June 1, 2020 Share Posted June 1, 2020 What exactly is the little bit on the negative battery cable? I know it's there for stop start/battery monitoring but what is it? Is the one on mk7.5's the same as on the new mk8's? Is a mk8 one compatible with a mk7.5? Quote Link to comment Share on other sites More sharing options...
Paulkp Posted June 1, 2020 Share Posted June 1, 2020 Also for regenerative braking on some models. Two different part numbers listed for up to Feb 2013, then only one part listed, but I'd check with Ford with your VIN/registration. Quote Link to comment Share on other sites More sharing options...
Paulkp Posted June 1, 2020 Share Posted June 1, 2020 I've done a bit of reading - Voltage, Current and battery temperature, communicating with ECU via LIN bus. And a warning about jump starting - never connect a jump lead to the terminal, always check in the vehicle handbook. Quote Link to comment Share on other sites More sharing options...
MJNewton Posted June 1, 2020 Share Posted June 1, 2020 8 hours ago, Paulkp said: And a warning about jump starting - never connect a jump lead to the terminal, always check in the vehicle handbook. That's not related to the battery monitor in any way though as far as I am aware (as they are electrically connected anyway by a short length of cable). The issue is that when a circuit is made by connecting up a donor battery in parallel there can be a spark created which could ignite any hydrogen emitted by the battery. It is never the less sound advice though even if the risk might be small. 1 Quote Link to comment Share on other sites More sharing options...
Calee Posted March 11, 2022 Share Posted March 11, 2022 my 1988 ford fistiva the red cable is hooked to the negative battery post is thi right Quote Link to comment Share on other sites More sharing options...
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