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By 55charliebird - 7 Years Ago
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With the engine running what voltage should I measure at the battery terminals? I know that a 12v alternator puts out about 13.4 but I've never had a 6v vehicle with a generator. Thanks.
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By 1960fordf350 - 7 Years Ago
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Are you idling the engine? Generators won't charge at an idle like an alternator will. I don't know the rpm they kick in, but have someone run it at a fast idle and see what happens. Check your ground to make sure its not corroded under the voltage regulator and that there is a good ground wire going from the engine to the body of the vehicle. I usually ad a ground from the generator bracket directly to the frame also just to be sure.
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By oldcarmark - 7 Years Ago
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6.8-7.2 Volts at fast Idle. At Idle U wont see much if any above 6 Volts.
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By 55charliebird - 7 Years Ago
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I forgot that generators are lazy until revved up.. I was planning on additional ground straps. Engine to firewall and generator bracket to frame. The 55 bird engine sits on rubber mounts, so grounds are essential. Thanks. I'm hoping to see about 8 volts.
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By miker - 7 Years Ago
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Best thing you can use at those ground connections. I use it everywhere when I rewire or add something. Bare metal under it of course. There’s other brands, this one is typical.
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https://www.specialized.net/cp8-tb-thomas-betts-kopr-shield-compound-8-oz.html?gclid=EAIaIQobChMIzejju5v_2wIVF6vsCh26SAGLEAQYASABEgLxB_D_BwE
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By paul2748 - 7 Years Ago
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I don't think you will see 8 volts which is usually beyond the range of a 6 volt generator. At eight volts, you may be popping light bulbs. Biggest thing with a 6 volt system is the grounds already mentioned plus the correct size cables. Use heavier cables than a 12 volt car.
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By MoonShadow - 7 Years Ago
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Generators can be modified to output 8volts usually due to old wiring and bad connections/grounds. My electric guy says its not recommended.
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