The shop did a engine swap on this devil chariot.
Afterwards it all of a sudden kills the batteries overnight.
I know something is up because in passing one of the shop guys (interim lead tech) asks me how to know if it is charging
.
Well it gets delivered to the customer anyway, the operator is working it and after a few passes he needs to stop to pee.
While he is peeing he notices something hanging from the front of the machine, further inspection reveals the shop left both the front belly pans off...
He jumps back in the machine to go park it and it won't lift the bowl, seems the battery voltage is too low to power up the implement ECM.
So I get to load the belly pans and go install them on site (not fun) and troubleshoot the charging problem/codes.
After getting the pans on but leaving the front hinged open to access the alternator cause I are not dumb I find the alternator is in fact not charging. I pull it off and while doing so I notice something odd about the ground cable connection. It was on a tiny 4 or 5 mm stud that used a 8mm socket to remove the nut, I don't remember it being like that but didn't think much about it.
I got the alternator on my bench and looked closer and found they put the ground on some unused part of the voltage regulator instead of the actual ground bolt.
Then on to troubleshooting the hyd filter restriction light.
There are several filters on this machine so I struggled a bit identifying the correct filter but after confirming it was plugging and not a sensor/wiring issue I ordered a new filter. I returned to the machine and starting swapping the filter when I found the core of the filter housing was missing.... So the filter was just collapsed on itself requiring a new filter housing be installed.
Only to find out by the time the filter housing came in from Illinois the job site was a marsh.