Yesterday on a test drive in my sons 67 the Gen light came on and stayed on. I had the alt tested and they said it was bad. Now I wonder! Put it on and the gen. light went out. But then after a few miles it came back on and stayed on again. So I thought well for 10 bucks I might as well put a new external regulator on. At first that make no difference. So back to the garage, I checked some things and took it back out again. Now it seems to be working. Although the light tries to come on sometimes at a idle. This doesn't need to be polarized does it? Any suggestions would be helpful. Oh ya, the belt is tight. And I wouldn't think it would make any difference but it is a double pole volt reg. as this was a car with air at one time. Thanks
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Steve
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Steve