Generator / Regulator Question
Truck is '53 f100 215 six positive ground. I've got a new voltage regulator which I polarized (disconnected FLD wire from generator at the regulator, touched it to BAT terminal on regulator for about two seconds & saw the blue spark), my generator has been bench tested and it is working right, and my battery is new and fully charged. At low idle, the dash gauge needle is right in the middle. It doesn't appear to move at higher rpms. When any juice is used, such as turn signals or headlights, the needle moves to the discharge side, and still doesn't move at higher rpms. I am not sure what to check for now. Should I expect the needle to be on the positive side at higher rpms? Should it stay over on the discharge side when I'm using the lights? Should I have to adjust a new regulator?
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have you tried putting a volt meter on the battery when running? it should read more than 12.8 volts if its charging. with the lights on it should show a discharge on the dash gage
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What is your system voltage (measured across the battery) under these conditions:
-- 1500 RPM, no lights on -- 1500 RPM, headlights on Is your generator Ground wire connected solidly? PS I assume you are still 6v? |
I'm running six volt positive ground. I measured the voltage at the battery with everything off and got 6.32 volts. When running at low rpm with nothing else using electricity, I got 6.18 volts. There is a 10 gauge wire between the voltage regulator and the generator. I will make sure that the inner fender (onto which the regulator is attached) is solidly grounded to the frame. Maybe that will make a difference.
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Ground the regulator to the battery directly if you can.
Did you measure voltage at higher RPM's? The generator doesn't put anything out below about 900 RPM, so your numbers aren't surprising. |
Originally Posted by ALBUQ F-1
(Post 16603309)
Ground the regulator to the battery directly if you can.
Did you measure voltage at higher RPM's? The generator doesn't put anything out below about 900 RPM, so your numbers aren't surprising. |
The big ground strap connected to the battery should really go to the engine or bellhousing, as the starter is by far the heaviest load. The engine is sitting on rubber mounts, not connected directly to the frame electrically. Nothing on the frame or body draws much power.
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Originally Posted by ALBUQ F-1
(Post 16604058)
The big ground strap connected to the battery should really go to the engine or bellhousing, as the starter is by far the heaviest load. The engine is sitting on rubber mounts, not connected directly to the frame electrically. Nothing on the frame or body draws much power.
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