Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3116757 for flyrotary@lancaironline.net; Tue, 23 Mar 2004 22:59:46 -0500 Received: from edward (clt25-78-058.carolina.rr.com [24.25.78.58]) by ms-smtp-01-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id i2O3xhSn025325 for ; Tue, 23 Mar 2004 22:59:45 -0500 (EST) Message-ID: <001401c41154$7247f520$2402a8c0@edward> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Alternator - again Date: Tue, 23 Mar 2004 22:59:46 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-Virus-Scanned: Symantec AntiVirus Scan Engine ----- Original Message ----- From: "John Slade" To: "Rotary motors in aircraft" Sent: Tuesday, March 23, 2004 10:41 PM Subject: [FlyRotary] Alternator - again > Guys, > I'm getting really frustrated with my (stock 3rd gen) alternator. I'm seeing > 13.2v on the buss when the engine is running, but the charge light is still > on (even with the diode). > > Answers to two questions might help me debug it: > > 1. What voltage should I see on the buss with the engine running? > > 2. The picture on the schematic seems backwards to the actual alternator, > and there are no markings on the connector. Is there a way to test which > terminal is the sensor (direct to battery) and which is the idiot light? > > Note: The alternator tested fine a few weeks back, but I guess I could have > fried the internal regulator since. > > John Slade (coming down to the wire) > John, my bus voltage when the engine is running is around 14.3 volts. 13.2 volts would seem a bit on the low side. Afraid I am not familiar with the 3rd generators, so can't comment on the connector or markings. Ed Anderson