Help..voltage going nuts!!
Thread Starter
Instructor
Joined: Jun 2005
Posts: 127
Likes: 0
From: Ohio
Help..voltage going nuts!!
Started the vette and got a check gauges High voltage message then all the gauges died. Turned car off and restarted same thing. Car runs ok but no gauges 
Started car later in the day and got Low voltage and gauges died. Orginal battery(03) tested ok and checked terminals and grounds. Problem is intermittent. Can anybody help? Is battery going south? Need help ..don't like steelerships. Thanks in advance.
Started car later in the day and got Low voltage and gauges died. Orginal battery(03) tested ok and checked terminals and grounds. Problem is intermittent. Can anybody help? Is battery going south? Need help ..don't like steelerships. Thanks in advance.
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Sounds like the regulator is not working!! I would take the car or the alternator it self to a reparable alternator / starter shop and see if it is working correctly. If the alternator is fine, the PCM may be at fault.
BC
BC
