Why Do Diesel Trucks Have 2 Batteries. Can a Diesel start with one battery can you have more than two batteries and what are. Why do diesel trucks have 4 batteries.
Joined Apr 9 2005. Diesel engines need the2 batteries because of what they use to start up. Answer 1 of 4.
Answer 1 of 4.
What is purpose of auxilary battery on a gas motor and how do I get to headlamp bulbs since the aux battery and windshield res are right there blocking where you replace bulbs. 5 Nov 11 2005. But ONE battery twice as big would work just as well. Could be a bad connection of the ground black cable maybe at the block.
