This little 12 dollar box and a free smartphone app gives you full OBD2 diagnostic capability.
Thanks for the suggestions! Wouldn’t have helped Bill the Son, but not a bad idea.
Finally, an affordable OBD2 code reader.
Thanks for the tip on the Elm 327.
Five friends picked up the Innova Battery monitor, all are happy, and one elderly woman able to avoid a full alternator replacement she didn’t need.
Checked Amazon.... guess it’ s been far longer than I thought since checking prices of the device readers. Then again, everything has been running smoothly... for now.
;>)