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Date:         Mon, 25 Jan 2010 20:32:10 -0800
Reply-To:     Robert Keezer <warmerwagen@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Robert Keezer <warmerwagen@YAHOO.COM>
Subject:      Re: heater fan whine
Comments: To: David Beierl <dbeierl@ATTGLOBAL.NET>
In-Reply-To:  <4b5e5fea.9453f10a.26e6.ffffda25@mx.google.com>
Content-Type: text/plain; charset=iso-8859-1

C'mon guys, this is classic thread hijacking. The OP asked how to fix the whine in the motor, not load reduction. I want to know the answer also.   Robert 1982 Westfalia  

--- On Mon, 1/25/10, David Beierl <dbeierl@ATTGLOBAL.NET> wrote:

From: David Beierl <dbeierl@ATTGLOBAL.NET> Subject: Re: heater fan whine To: vanagon@GERRY.VANAGON.COM Date: Monday, January 25, 2010, 7:16 PM

At 05:58 PM 1/25/2010, John Rodgers wrote: >This thread brings to mind having seen somewhere something about using a >relay(relays) to reduce the load on the front heater control switch. > >Anyone have a link showing this???

Use the high-speed position on the switch to drive the 86 terminal on a 20-amp relay; ground the 85 terminal.  Use the 87 terminal to drive the high-speed wire to the fan.  On a 2.1l feed the 30 terminal from the switch feed wire, but on a 1.9l run a separate fused circuit to feed the 30 terminal.

The two lower-speed positions aren't overloaded so they don't need any help.

Yours, D


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