Alternator Light Stays on Until 3,000 RPM
On my brother's classic car he has an apparant problem with his charging system. The Alternator light stays on until the engine is revving about 3,000 RPM when driving. He took the alternator to a shop who confirmed that it is functioning correctly and changed the voltage regulator without resolving the issue. He also found that there is a 2v draw of power when the car is not running. If the car is idleing and he pulls the + terminal off the battery the car shuts off. Is that normal?
Now I have to confess that my brother is a member of the dark side and owns a '65 Mustang Fastback with the little 289 engine.
Now don't flame me! In the interest of hotrodding please help resolve.
302DZ, M22W Muncie, GV overdrive,12-Bolt Rear 3.73
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Member # 159
Last edited by Andrew69; Dec 30th, 11 at 06:22 PM.