Rich77 Posted August 31, 2017 Share Posted August 31, 2017 battery on our Focus was flat and after jump starting the Speedo and Rev counter both don't work and the Radio display keeps telling us we have an incoming call. Any simplish solutions not involving a garage visit much appreciated! Quote Link to comment Share on other sites More sharing options...
iantt Posted August 31, 2017 Share Posted August 31, 2017 try disconnecting the battery for a short while . Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted August 31, 2017 Share Posted August 31, 2017 It is very strongly advised not to jump start to or from a Ford.The smart charge system is very sensitive to voltage spikes and can cause numerous electrical gremlins.Use a booster pack or disconnect the battery and charge it using a proper system.Sent from my SM-G930F using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
CyprusPluto Posted August 31, 2017 Share Posted August 31, 2017 1 hour ago, Stoney871 said: It is very strongly advised not to jump start to or from a Ford. The smart charge system is very sensitive to voltage spikes and can cause numerous electrical gremlins. Use a booster pack or disconnect the battery and charge it using a proper system. Sent from my SM-G930F using Tapatalk That's interesting and something I'm sure a lot of people are not aware of. My 2007 Focus ST3 twice needed AA callout due to flat battery (mainly because I hardly used it) and I didn't have any problems. Is it a new thing and something I need to be aware of with my 2016 Fiesta? (because that doesn't get used much either) Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted August 31, 2017 Share Posted August 31, 2017 http://www.fordownersclub.com/forums/topic/37599-jump-starting-a-problem-or-not/http://www.fiatforum.com/stilo/35220-ecu-dont-jump-start.htmlhttps://mobile.nytimes.com/1997/08/24/automobiles/battery-dead-look-before-you-jump.html?referer=http://r.search.yahoo.com/_ylt=A9mSs2H9eahZLR4AgABB4iA5;_ylu=X3oDMTEyZHA3aHEzBGNvbG8DaXIyBHBvcwM3BHZ0aWQDQjM5OTdfMQRzZWMDc3I-/RV=2/RE=1504242302/RO=10/RU=http%3a%2f%2fwww.nytimes.com%2f1997%2f08%2f24%2fautomobiles%2fbattery-dead-look-before-you-jump.html/RK=1/RS=X33_559Gbg2sJrY5fxZ.LY0PRDg-Sent from my SM-G930F using Tapatalk Quote Link to comment Share on other sites More sharing options...
CyprusPluto Posted September 1, 2017 Share Posted September 1, 2017 9 hours ago, Stoney871 said: http://www.fordownersclub.com/forums/topic/37599-jump-starting-a-problem-or-not/http://www.fiatforum.com/stilo/35220-ecu-dont-jump-start.htmlhttps://mobile.nytimes.com/1997/08/24/automobiles/battery-dead-look-before-you-jump.html?referer=http://r.search.yahoo.com/_ylt=A9mSs2H9eahZLR4AgABB4iA5;_ylu=X3oDMTEyZHA3aHEzBGNvbG8DaXIyBHBvcwM3BHZ0aWQDQjM5OTdfMQRzZWMDc3I-/RV=2/RE=1504242302/RO=10/RU=http%3a%2f%2fwww.nytimes.com%2f1997%2f08%2f24%2fautomobiles%2fbattery-dead-look-before-you-jump.html/RK=1/RS=X33_559Gbg2sJrY5fxZ.LY0PRDg- Sent from my SM-G930F using Tapatalk Thanks for this Stoney. I would hope when I called the AA to restart my car following a flat battery, they use a booster rather than jump starting it. I'm not mechanically minded, but I suppose I don't have to be as long as the AA person knows what they're doing. That said, I'm not sure the last one did, because at the end he put some tape around a wire and left it loose. When I asked him why, he said it was a spare!! Bemused, I thought why would Ford put a "spare" and unattached wire in the car. I spent that night searching the web for pictures of my engine and found out where it should have gone and fixed it myself the next morning. I still haven't a clue what it did, but it seems neither did the 'trained' AA man Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted September 1, 2017 Share Posted September 1, 2017 He probably disconnected the smart charge cable.Solves some problems but causes others.Sent from my SM-G930F using Tapatalk Quote Link to comment Share on other sites More sharing options...
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