Guest onedesertdog Posted February 20, 2014 Share Posted February 20, 2014 (edited) Morning everyone. After having fixed the water pump/ crossover issues on my 65 super wildcat, I'm on to the non charging issue. I had the alt. checked twice while it was off and it passed. The alt. light stays on steady. Has a new battery reading 12.46 and when you start the car voltage shows a drop. Traced the alt. red wire, ok. checked the alt. blue and white wires to reg. ok. Ground wire hooked to alt. So, I replaced the reg. no bueno. I feel like it is the alt. but maybe I'm missing something on tracing the wiring?Thanks for any idea's, BuddyWent back out and started the car and disconnected the neg. bat. cable, and it died......Maybe the alt. is bad after all? Edited February 20, 2014 by onedesertdog new info (see edit history) Link to comment Share on other sites More sharing options...
1965rivgs Posted February 21, 2014 Share Posted February 21, 2014 Buddy, Have a shop check the alt in the car. I`m not sure what sort of bench test was done but my understanding is it is usually a working voltage level. But what about the amp output? Have you checked for voltage input from the ignition switch? Tom Mooney Link to comment Share on other sites More sharing options...
Guest onedesertdog Posted February 21, 2014 Share Posted February 21, 2014 Thanks for the reply Tom. If I can't get it figured out, I'll take it to a shop for an on car test. I checked all the wires Except the wiring at the switch because I assumed since it started and the amp light was glowing, everything there would have been good. I will check for voltage input at the switch tomorrow.Thanks, Buddy Link to comment Share on other sites More sharing options...
arnulfo de l.a. Posted February 21, 2014 Share Posted February 21, 2014 make sure your voltage regulator is well grounded.suertearnulfo Link to comment Share on other sites More sharing options...
Bill Stoneberg Posted February 21, 2014 Share Posted February 21, 2014 Around here you can take your car to an O'Reillys Auto parts. They have a meter they can hook up to your battery and tell you what is wrong. It tests Alternator, regualtor and battery. Its free and quick. Link to comment Share on other sites More sharing options...
TexasJohn55 Posted February 21, 2014 Share Posted February 21, 2014 Even if the alternator and regulator are good, the unknown is wiring. Check voltage at each regulator terminal with key off and key on and running and record. Then do the same at the alternator for each wire. This would determine if any wires are broken and would serve as a basis for more in-depth troubleshooting if required. Link to comment Share on other sites More sharing options...
Guest onedesertdog Posted February 22, 2014 Share Posted February 22, 2014 Well, I got it charging now.... I replaced the plug and wires from alt. to reg. Put a new pigtail on the regulator. Cleaned up the alt. ground, battery to frame and body ground, and reg. ground. Somewhere in that combo was the problem.....I'm a happy camper now. Coolant fixed, trans. fixed, charging fixed, one major fix left(changing over to a dual m/c and booster) then just the basics.Thanks again for everyone's help through all this, Buddy Link to comment Share on other sites More sharing options...
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