!974 impala "gen" light what is it? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 04-12-2004, 03:56 PM
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!974 impala "gen" light what is it?

my buddy has a 1974 impala 4 door with a stock 350 with an altenator, altenator came stock with the car, i thought at first it would stand for generator, but it obviously doesn't cuz he doesn't have one, the light comes on and off every once and a while, ussually most of the time it's on, i just want to know what it was and what it means when its on??
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Old 04-12-2004, 04:00 PM
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probably means you're low on amps. Is your idle low?

K
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Old 04-12-2004, 10:42 PM
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it idles just fine the only problem it has is coming out of idle to full throttle too fast, like a dead spot but i don't think it's because of low amps.
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Old 04-12-2004, 11:32 PM
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the gen light is the generator. Does he have a gauge for the amperage? Notice any problems with the headlights or dome lights?

Even though the car has an alternator instead of a generator, the light is still gen, i have a 72 impala and it has the same light, it started coming on just before the alternator went out (or i should say when it did go out.) and when the alternator belt broke, so that is definitely what the light is trying to tell you.
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Old 04-13-2004, 02:39 AM
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Possibly a poor ground somewhere.
Especially if it's coming on and off all the time.

OR loose connection. Check the wiring.

It is remember, a 1974.
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Old 04-17-2004, 01:55 AM
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Nah the headlights are fine, the thing only has 52,000 miles on the original engine, his great grandma owned it and she only drove it to the store down her street and back but she died and he inherited it. i'll tell him to check it out, no work has ever been done to it. we'll see how much it's charging up the battery.
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Old 04-17-2004, 05:46 AM
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If the battery isn't going dead, it must be charging, at least some......check your connections.

Check the tightness of the belt, or put a new one on. It could be slipping.
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Old 04-17-2004, 06:16 AM
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Get a volt meter and CK the battery at idle. Should be like 14 V DC. If not then the belt may be loose, the belt should only move slightly, maybe 1/2" or so if you push it down.


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