CM871 things to check after purchase?

[yamajason]

(03-28-2016 )Hedley Wrote:  not sure about Rawze's truck but we solved a lot of electrical malfunctions when we installed the correct alterntors, 09 prostars need every bit of the 325 amps.

A line haul 09 Prostar will not need 325 amps!
The Delco Remy 36si 165 Amp Alternator is very popular and reliable.
The electrical malfunctions being eliminated by replacing the alternator were probably due to a failing alternator rectifier pumping voltage spikes into the truck. Check for it with a multimeter on AC Voltage setting like