1968 regulatormulti- meter testing .. i have 4 of them and 2 look new low use 1 looks low use the other looks like its been there since 1968 ,,,anyway of hooking up an multi-meter to the 4 spade terminals and see if they are okby the readings if so anywhere i can get the specs per. reading or chuck-em in the bin and buy new 1

 

Plug the best looking one in and see what your meter reads on the instrument cluster. If it pegs out or you get really erratic readings, try another one. Hell, if you have 4 of them, I would venture to guess that all of them aren't bad.