[arnetwilson1116]

If it sits for a few days needs to be jumped. This is first diesel I've tried to work any advice would be much appreciated.

 

[OkDually]

Welcome to DieselPlace

Please list any mods to your 6.5L

 

[dieselolds]

Have you load tested the batteries and when the engine is running id check output voltage of the alternator to ensure it’s delivering 14 volts.