If your alternator is no longer capable of charging the battery, the battery light will come on. It’s a warning light that indicates that the voltage in the battery is not sufficient. The alternator may be charging still, but just not enough to cover the electrical needs of your Transit Connect.

Rick. You can do a quick test: take a voltmeter and test the batteries, should each be around 12.5 or so volts. Now start truck, and retest with truck running, should be 13.5-14 or so volts, which wound indicate that the alternator is charging. One will hook up the voltmeter and the other will start the 2018 Ford Transit Connect van at the right time. A voltmeter hooks up to the2018 Ford Transit Connect vans battery, just like jumper cables. Once the 2018 Ford Transit Connect van is started and is being revved, you should see an output reading on the voltmeter between 13.5 and 14.4 volts. It's not a particularly difficult thing to try. This $23 10 pin pigtail connector will make the wiring easy. If you want to get fancy you can a put switch in the line. Then you have a control to have full time disable or the original once per start disable still controlled by the dash button. NJ, USA. It’ll usually come on when your Ford Transit Connect’s charging system voltage drops below 13.5 volts. If your Transit Connect’s battery or alternator light came on while driving the last time it ran, and now it won’t start, that’s a strong indication that your van’s alternator couldn’t charge the battery enough.

Fuse box diagram (fuse layout), location, and assignment of fuses and relays Ford Transit (2014, 2015, 2016, 2017, 2018).

. 128 357 509 614 826 176 600 370

ford transit connect alternator problems