"Thomas Garner" <Tgarner@xxxxxxxxxxxxxx> said: >Well, it was dark, I started it and I noticed my alternator light was BARELY on. It was a very light glow. I don't think it was on before. It MAY have been on before, but I don't think so. It's also NOT fully on, it's just a light glow. > >Did I do something wrong? Probably not. As I recall, Thomas has a 64 Rambler. Here's the tech article I wrote sometime back on this very subject: >Date: Thu, 05 Sep 2002 00:41:09 +0000 >To: mail@xxxxxxxxxxxx >From: Archimedes <Freedom@xxxxxxxx> >Subject: RE: Javelin electrical problem! >Cc: Howard Clutter <koa@xxxxxxx> > >Howard Clutter <koa@xxxxxxx> wrote: > >>I have an electrical problem with my 1972 Javelin SST that has me stumped. >>The car has a 232 six, manual trans, no power anything. >> >>Here is the problem. When I turn on the Key the Alternator and Oil Pressure >>idiot light "do not" light up. Then I start the engine, still no lights >>are on. If I speed the engine up to say 1000 rpm the Alternator light comes >>on and stays on. Still no oil pressure light. If I ground out the oil >>pressure sender, then the oil light will come on when the Alternator light >>comes on (at the higher rpm). >> >>I changed out the Oil Pressure sender with a new one. I took the >>Alternator to NAPA and had it tested and it was good. I have not changed >>out the Regulator yet. >> >>Anybody have any ideas what is going on. Could it be the Regulator or in >>the wiring??? > > >Almost all of my AMC's from 63 to about 70 seemed to have more problems like those than the later ones. > >According to the 65 TSM, here are the visual diagnoses (this should be the same on any Motorola/early Delco alternator, which as I recall were used until about 73 or 74): > >TROUBLE: Shorted isolation Diode > >CONDITIONS: > >1. With ign key "OFF", charge indicator light will be on. >2. With ign key "ON", charge indicator light will be OFF but oil pressure light will be ON. > >***************************************************** > >TROUBLE: Open isolation diode > >CONDITIONS: > >1. With engine RUNNING, charge indicator light will be ON but not at full bright. > >***************************************************** > >TROUBLE: Shorted or open rectifier, faulty voltage regulator. > >CONDITIONS: > >1. With engine RUNNING, charge indicator light will be ON. > >***************************************************** > >TROUBLE: Open 4 ampere fuse, Guages > >CONDITIONS: > >1. With ign key "ON", charge indicator light OFF, oil light OFF, guages do not work. >2. With engine running, charge indicator light ON. > >***************************************************** >***************************************************** >***************************************************** > >Do yourself a favor, and increase the simplicity under the hood and convert to a GM one-wire alternator. Enjoy!! ------------------------------------------------------------------------ MARC MONTONI Richmond VA http://FreeVirginia.blogspot.com/ Freedom. Responsibility. www.LP.org Cu vi parolas Esperanton? I'd rather push a Rambler than drive a Toyota. Visit www.AMCRC.com or www.AMONational.com . http://RichmondRambler.tripod.com/ http://Hasdrubal.tripod.com/Index.htm ------------------------------------------------------------------------ This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License. _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com