David, Isn't the rear blower motor the same size as the front one? Larry A.
On Thu, Oct 21, 2010 at 3:23 PM, David Beierl <dbeierl@attglobal.net> wrote: > At 11:36 AM 10/21/2010 -0400, Jonathan Berg wrote: >> >> My first Westy (an 89) melted the switch on the #3 setting. > > I've said it before and no doubt I'll say it again: that switch is > overloaded at the full-speed position. I recommend using that > position to control a relay that does the actual switching. Saves > having the body melt and the contact sink down so you can't switch > the blower off. > > On the 1.9l the circuit is also overloaded, which is why the fuse > cover is melted over that position. For these vans I also recommend > adding a separate fused circuit to actually power the high speed, > which draws about twelve amps. > > To add a relay, use a standard 4-terminal automotive relay. Hook the > 30 (B+) terminal into the wire feeding the switch (or on a 1.9l add a > fused circuit for the 30 terminal). Ground the 85* terminal. Cut > the high-speed wire from switch to fan; hook the wire from the switch > to the 86* terminal and the wire going to the fan to the 87 (load) terminal. > > * The 85 and 86 terminals are the control terminals. It doesn't > really matter which one you ground. > > And if you get a switch from a junkyard, make sure it's from the rear > blower and not the front. The rear blower doesn't overstress the switch. > > Yours, > David > |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.