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Date:         Sun, 10 Feb 2013 18:49:08 -0800
Reply-To:     neil n <musomuso@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         neil n <musomuso@GMAIL.COM>
Subject:      Re: All 2 Speed Radiator Fans Use Internal Resistor?
Comments: To: mark drillock <mdrillock@cox.net>
In-Reply-To:  <51181F27.6010208@cox.net>
Content-Type: text/plain; charset=ISO-8859-1

Thanks guys.

So I guess the question may be:

am I seeing a resistor at "1" of the 2 speed non AC "Rad Fan" on P 97.66 ?

Maybe a moot question? If fan stops working on low speed, and fault is at fan motor, only option is to replace it?

Neil.

On Sun, Feb 10, 2013 at 2:28 PM, mark drillock <mdrillock@cox.net> wrote:

> The 2.1 models do not use a different fan unless they also have factory A/C > or are Syncros. Those both use a much larger fan motor and lager wires to > feed it with a direct power feed from the battery for highest speed. The > larger fan motor setup uses a resistor to create lower speeds. A/C models > have a 2 speed resistor to create 2 lower speeds in addition to full direct > speed, for 3 speeds total. Syncros without A/C use a large single speed > resistor to create 1 lower speed, so 2 speeds total. > > > Bentley page 97.200 shows the Syncro 2 speed large fan motor system. The > various A/C diagrams show the various 3 speed versions. > > Mark > > > > > > neil n wrote:

>> I installed an '85 rad fan, wiring, etc. into my '81 so you'd think I >> would know this but ..... >> >> In Bentley, I see that the diesel and Digijet fan motor have a low >> speed resistor. The 2.1 fan only shows connections at motor.

-- Neil n

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