looking for how to hook up the batteries in seires for what cable goes were on the batteries on a 1972 mack de

Question

1972 mack semi 230 diesel

there r 4 battiries 2 on each side of truck

Answer 1

dave, to hook batteries up in series you have to attached the positive lead of one to the negative lead of the other. this will double the voltage.

if you want more current, attach the negative to negative and positive to positive. this will double the current.

chuck

Answer 2

OK, no complications....take the positive cable of your truck, hook it up to the positive cable of battery #1. Take your cross-cable (the one that has sleeves on both ends) an hook one end to the negative connector on battery #1. Take the other end of that cable and hook it to the positive connector of battery #2. Now hook the negative cable of the truck to the negative side of battery #2. That's it....good luck.