Jump to content. Genuine Ford parts 2014 Ford Fiesta Changed Starter and still No Start. jamar198637 · Started November 13, C-Max Battery Light Staying On First, use the leads under the hood to jump the car -- there is no reason to do it directly from the battery. Second, the 12V battery is not directly charged by the engine (as I understand the system), it is instead charged by the Hybrid battery. As such, there is no reason to keep the engine running for 45 minutes. If your Ford F-150’s battery monitor is reading inaccurate data or needs to be reset, follow these instructions. First, open the hood and disconnect the negative battery cable. Next, locate the battery monitor reset button; it will be on the driver’s side of the engine bay, near the battery. Press and hold the button for at least five 577 posts · Joined 2019. #19 · Oct 13, 2020. You should never jump start a vehicle with jump leads connected to the negative terminal of the battery you are jumping as there is a risk of explosion. Perhaps this is why, with the Mk4 Mondeo, Ford motor company have made it impossible to do so. SteveyG. Quote. Posted April 19, 2016 at 07:47 PM. Either, jump start or slow charger. Just look up the connection points in the manual; nice red cap on the positive, but negative is an unlabeled post on the frame rail. Note that this cannot occur with keyless entry car turns itself off. If you have access to a boost starter then try this or use a set of jump leads, if the car starts then you know the battery is flat. If you have a multi meter measure the voltage of the battery, you need around 12 volts but as there are no lights at all then I suspect it will be substantially lower. If the battery is found to be fully charged at 12.6 volts, the next step is to make sure that you are getting that same voltage down at the starter. Locate the starter under the vehicle and put a multimeter or a test light on the largest red wire to the starter with the ignition set to the on position and verify the full 12.6-volts to this Introducing the Boost UltraSafe Lithium Jump Starter. Compare Boost jump starters and find Boost accessories. HD Precision Boost Battery Clamps . $24.95 Je8RU.