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|    alt.engineering.electrical    |    Electrical engineering discussion forum    |    2,548 messages    |
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|    Message 1,413 of 2,548    |
|    Sparky to All    |
|    Re: Car alternator failure -- twice!    |
|    18 Feb 15 18:09:23    |
      XPost: sci.electronics.design, sci.electronics.equipment, sci.electronics.misc       XPost: sci.electronics.repair       From: see@thesig.net              A second test of the cables, this time using an ESR meter capable of       measuring hundredths of ohms and able to null test lead resistance.              (-) battery cable, from battery terminal to chassis: 0.02 ohms;       (+) battery cable, from battery terminal to starter solenoid: 0.05 ohms;       Alternator cable, from alternator to starter solenoid: 0.33 ohms.              These measurements were done with (-) cable disconnected from battery post       (no potential across cables) and test leads nulled.              So 35 amps charging current over 0.33 ohms pretty much drops the full 12       volts.              I'll look into wiring and terminal issues.              Thanks to all who helped.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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