Search results

https://www.steelsoldiers.com/threads/hmmwv-technical-manuals-if-you-need-it-its-here.189594/

Do the dash lights go out when you try to start it?, if you have something close in front of the truck turn on the head lights (if the batteries/battery connections are even good enough to burn the lights) , watch the reflected light and see if they go out when you try to start it. Are these...

The shunt is mounted to the side of the battery box, it is connected to the negative terminal on the "lower" battery If you have a 4 speed there will be a wire connected to the "center" connection between the lower and upper battery

Also do not just reverse them, that could be expensive.

Assume nothing, check everything!

Also are you sure you have the batteries connected correctly?

Start with the basics, download the TMs so you have a schematic, grab a volt meter and just start troubleshooting, if you do not have experience troubleshooting automotive electrical systems this is really not the one you want to learn on, you should get some help. First thing is inspect all...