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Date:         Tue, 7 Jul 2020 10:04:34 -0600
Reply-To:     OlRivrRat <OlRivrRat@COMCAST.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         OlRivrRat <OlRivrRat@COMCAST.NET>
Subject:      Re: Seeing Red
In-Reply-To:  <CAK9Aa+mbSDysYiDmmzNN3RN-ZvGsu-urO-ucdCmWtn__=f1R8g@mail.gmail.com>
Content-Type: text/plain; charset=us-ascii

Bruce

Just in case Dennis is busy doing other stuff & not able to respond soon >

ReRead Denniss Post ~ The 3.5VDC on Blue Wire indicates that there is a Prob'

on that Circuit & the Alt' is unlikely @ Fault but check it by Jumping 12VDC to

Blue Wire Connector to see if it Wakes Up ~

On 5 Jul , 2020, at 2:41 PM, Bruce Todd wrote:

> Voltage on blue wire disconnected from alternator with key on = 3.5 > volts. Voltage at alternator engine idling - blue wire off or on - 11.5 > volts. > > Will go see alternator repair shop tomorrow morning. > > Bruce > > On Sunday, July 5, 2020, Dennis Haynes <d23haynes57@hotmail.com> wrote: > >> The campers add a bit of bewilderment to the alternator activation and >> warning light circuit. Yes, that is not just there for the warning light. >> The alternator needs a little bit of activation current to get the magnetic >> field from the rotor going. >> For the campers this circuit is also used to operate the refrigerator >> relay. That is why the light remains on when the blue wire is taken off the >> alternator. To make things a bit more difficult the ground for the fridge >> relay is through the starter solenoid. Combination of disable the fridge >> during cranking and take the load off the activation circuit so that maybe >> as soon as it starts the alternator will kick in. >> >> You would hope the shop actually tested the alternator including under >> load. Check the blue wire discounted that you have close to battery voltage >> on it key on. If not that is a problem. With the engine running you can >> jump power to that terminal and see if the alternator starts. Rev it a >> little. If not you likely have a problem with the alternator. >> >> Dennis >> >> >> -----Original Message----- >> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of Bruce >> Todd >> Sent: Saturday, July 4, 2020 8:48 PM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Seeing Red >> >> Okay - First off - Happy 4th of July to all of you folks south of the >> border. >> >> So I've been going hard on a number of repairs since posting about a >> vibrating alternator and discovering a broken cradle bracket. You may >> recall I upgraded the bracket and installed an additional supporting >> bracket and then also took my alternator into a repair shop for inspection >> and service. Put everything back together - started everything up, admired >> the belts and the stability of the new bracket - but didn't travel >> anywhere as I immediately began working on replacing the manifold intake >> hose / boots. This included repainting the manifold, cleaning the top of >> the block, inspecting fuel lines and installing protective sheathing over >> the fuel lines which circulate fuel to the rails and injectors and >> replaced the fuel hose that returns fuel from the fuel ring back to the >> tank - and since I was in the neighbourhood - I also replaced the fuel >> filter. I also renewed all the grommets on the injectors and injector >> bracket. >> >> I also changed a small coolant hose - the upper most small elbow on the >> expansion tank. So finally got everything back together - no more leaks >> everything looking good...and went for a test drive. Quickly discovered >> the battery indicator led is on...seeing red! Checked the voltage - via a >> battery tester, the type you plug into a cigarette outlet and saw >> immediately the battery was not charging - I did not check voltage at the >> alternator because I no longer have an actual volt meter...(need to buy a >> new one). So checked the Bentley where it discusses trouble shooting >> - and so I removed the wires from the alternator and then turned the >> ignition switch to the on position and noted that the red battery indicator >> light stays on. >> >> What is the likelihood the alternator needs to go back to the repair shop? >> Seems odd but possibly something overlooked there - or could I have a >> short somewhere? >> >> Bruce - 86 Westy Syncro (2.1) >>


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