After a long time in a coma, my 260Z has come back to life, but i found the AMP gauge when at idle flicks back and forth quickly from between +30 and +60amps. With more RPM's it will stay closer to the
- With the engine and key off it is on the minus side (would be about -5amps). With the key on but engine off it still reads just a hair into minus. Voltage regulator, alternator, bad gauge? What should i check first and how? Thanks for any help, Shannon