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Date:         Fri, 4 Jun 2010 19:24:54 -0700
Reply-To:     Alistair Bell <albell@SHAW.CA>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Alistair Bell <albell@SHAW.CA>
Subject:      Re: A/C 3rd Stage Relay?  was lower front grill....
Comments: To: ron johnson <rcj.yes@GMAIL.COM>
In-Reply-To:  <2497343F-D1A3-4D26-AE75-7A387891350A@gmail.com>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed

Are you talking about the rad fan relay or ac relay? the rad fan relay for the 450 w rad fan is up there above fuse panel close by the ground "crowns" . You'll see a relay and a fusible link.

see this story on my blog

http://shufti.wordpress.com/2010/04/01/rad-temp-sensor-story/

alistair

On 4-Jun-10, at 7:09 PM, ron johnson wrote:

Okay - so my radiator fan has been blasting away for the last so many miles and I wanted access to the Thermo Switch on the radiator, hence the question regarding the lower grill. This switch is fine..... it is reading open as it should at ambient temp. And the fan was still in blast mode with switch unplugged.

Next, pulled 2nd Stage Relay to test whether it had failed closed..... nope. Relay removed, tested okay and fan still blasting.

Yes, this van did come with an A/C system.... not working and hasn't worked for at least 8 years. Electrically, it looks like the 3rd Stage Relay could be powering the fan, so I would like to pull the 50 A fuse (yes - 50 Amps!) that delivers power through its contacts.

Bentley has a nice picture of the fuse and relay which are located 'behind the left side fresh air vent'. Really? Hmm..... is there an easy way to get there? It looks like the whole dash would need to be disassembled.

Help/advice appreciated?

Also, Re: clamps on the grill: these are the stock ones with the little plastic centers that one is supposed to push out and lose forever inside the front body area..... will replace with new if I can find local! Thanks to all for their input on this.

Ron J. PDX, OR '91 Betsy


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