How To Start A Diesel Car With A Flat Battery. If the charged battery doesnt have enough capacity to do this start the engine with the charged battery and try it again. Let the vehicle with the previously flat battery idle with the headlights on to prevent a possible voltage spike damaging electrical.
2 Clouds at 14 degrees F. Park the second vehicle as close to the casualty vehicle as possible without the vehicles touching ensuring the jump leads. By switching off the ventilation or climate control audio system heated seats and headlights only until the engine is running you can.
But there are other issues such as a broken alternator or a defective fuel gauge that could stop it from firing up.
Ten steps to jump start a car. A flat batterys one of the most likely culprits when your car wont start. Best bet is to charge the diesel battery using. If you cant turn the ignition check the wheels arent jammed against the kerb.
