bamfordsgarage Posted December 14, 2015 Report Share Posted December 14, 2015 It appears the voltage regulator in my '47 D25 needs to be replaced. I troubleshot the charging system more-or-less per the manual, and Condition 1C (below) came up the winner — a jumper wire brought the charging system to life. The manual calls for an Auto-Lite VRP 4503-A (35-45 Amps @7.2 to 7.5 volts). I'm trying to source this locally or at least in Canada and have come up empty thus far. I recall a page on this site several years ago that listed part number cross-references for various components. I can't find that page now, so either it has disappeared or I'm showing my age. Can someone please help with alternative part numbers for this regulator and/or advise where the reference page is? Thank you. Quote Link to comment Share on other sites More sharing options...
T120 Posted December 14, 2015 Report Share Posted December 14, 2015 (edited) Hi Chris, Try VRP 4401 A added - NAPA ECH VR25 ( Courtesy of Tod Fitch) Edited December 14, 2015 by Ralph D25cpe 1 Quote Link to comment Share on other sites More sharing options...
bamfordsgarage Posted December 14, 2015 Author Report Share Posted December 14, 2015 Thanks Ralph Quote Link to comment Share on other sites More sharing options...
desoto1939 Posted December 14, 2015 Report Share Posted December 14, 2015 the autolite vrp-4503A was used with the following generators GDZ-4801A and GDZ4801B accordin gto my autolite catalog Try Echlin VR23 or Sorrenson VR66 according to my reference catalogs. Rich Hartung desoto1939@aol.com Quote Link to comment Share on other sites More sharing options...
RobertKB Posted December 15, 2015 Report Share Posted December 15, 2015 PM me. Quote Link to comment Share on other sites More sharing options...
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