Question about 2011 Jeep Grand Cherokee
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Posted on Jan 02, 2017
SOURCE: My 2009 Nissan Cube would
A couple of things, firstly yes the gap i the starter is relevant it suggests that there is either a bad earth, poor connection to either the starter or altenator and / or a fuse may be faulty thats not to sday it has blew as on occasion they can melt when a car is jumped off, especially if the car or van jumping it had a higher amp-age battery.
Secondly regarding the ECU issue why I cannot say for sure this will work it is worth a try with the current situation your having. Disconnect the car battery charge it up if you think that it insufficient power to start the car, if you can leave the battery disconnected overnight, this will allow the ECU battery backup to drain and hopefully reset the ECU back to factory settings.
When you reconnect the battery attach the red "positive" first then the earth "black" second. Lock the car and leave it for about 2 minutes then open/unlock the car and try to start it.
Let me know how you get on with this firstly then get back to me, if no joy there are a few things you can try without forking out for new parts. Also it would be up to the dealer to prove the damage occurred during the jump start, you should argue your point as a paying customer.
Did the garage run a volt meter on the battery? if not they should have before making any diagnosis on the ECU. Relay's & fuses could be a cause as the relay may be sticking hence the slight gap in starting, in theory it would jam after the click not completing the circuit. There are 2 lots of fuses, small type that are found in the car for things like the radio, lights etc and there are larger fuses for the car's computer and main running of the larger components such as alternator & engine wiring, again the garage should have checked these already.
Hope this helps, be careful the dealer is not trying to rob you as they often do. If I can help further please message me back, If I do not respond right away I will get back to you in the morning. as it is getting late here in the UK.
Posted on Dec 30, 2010
SOURCE: I tried to start my
Hello, The Ford systems are real sensitive to Battery fluctuations. You need a fully charged battery to start out with. If the battery is too low and the jump is removed, the car can stop charging.
Ford also made it to reduce the Voltage to the starter. If the battery is low, the Antitheft will reduce the battery voltage to 7 Volts or less.
There are also Relays in the Powerbox. The Ignition Relay may be bad. I understand that the Horn Relay is the same part and if you check the part numbers on the Relays you may be able to use the Horn Relay to get home.
A fully charged battery wil show 13.2-13.6 Volts. All of the Ford, Mercury, and Lincoln vehicles can malfunction like this, so it just isn't your individual car. Your Battery is 5 years old and anything can happen.
I hope my solution is very helpful to you.
Posted on Jul 18, 2011
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