[cad]

Ill have to pickup some strips to check ph.
Yellow optima is out of truck. Using 10ga wire with eyelet on one end and heavy test clamp on other to ground each head to steering box bolt ends....still have .5v
My buddy brought over his fluke last nite and we tested turning on/off fan, fuel pump and water pump with no change.
No voltage leak at battery to the bed where it is mounted...

Please keep advice coming.
Thank you