Alternator Field Wire Question
Have a 71 with standard alternator and wiring. After a belt change, had no charging. Had to remove the 2 pin connector. Checked the field pin with a test light, and nothing. The sense pin had voltage OK.
I know on "normal" cars the field wire goes to the "gen" light to provide the excitation for the field ckt. Checking the schematics...what a PIA :ack: the brown field wire seemed to run back to the radio fuse??? Where does the wire actually connect to...and what about this resistor that gets talked about? |
Searched archives...searched Google....no help
Anybody?? |
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I did find out that if I rev over 2000 then it energizes... After reading the schematic AGAIN...the wire is a resistance wire, and I assume it connects to a switched source at fuse block. This takes the place of the bulb. CHECKED AGAIN, NO VOLTS WITH KEY ON...but she is self energizing above 2K rpms. Fuses ok. Any help??? |
Have to ttt to see if I get an answer...The sites mentioned above don't apply for vettes without GEN lites.
Simple question, where does the field wire connect to. After reading the schematic AGAIN...the wire is a resistance wire, and I assume it connects to a switched source at fuse block?? But need to know its exact source as there is no voltage on it (except after engine revs to 2000 rpm). I do not have the amp gauge hooked up if that matters. Thanks, Mike |
The amp gauge is part of the circuit so YES, you should hook it up.
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Still looking
Originally Posted by Peterbuilt
(Post 1589236399)
The amp gauge is part of the circuit so YES, you should hook it up.
If any one has a link to a clear diagram showing the field wire or can just tell me where it goes I would be thankful!! Wilcox shows a 75 car but the brn wire is different from a 71. The ones I have seen show a resistance wire for 71 in the harness but I cant figure out where it hooks up to:ack: Must be sw ign somewhere! |
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