<VV> LM Heater Blower Relay

[jimster1]

If you are blowing a 20A. fuse, think about what it's doing to the heater
switch.  The contacts are kinda wimpy at best and by now corroded\dirty. The
motor will draw less current at slower speeds, thus putting less strain on
the switch.  I'd check the condition of the blower motor itself, maybe all
it needs is some lube on the bearings.  That motor, even the heavy breather,
shouldn't draw 20A.  If all else fails, install the relay.  Any Bosch type
relay will be fine.  As a plus, hi speed will be higher (more blow) due to
less voltage drop to the motor.
Jim (likes relays)

-----Original Message-----
From: virtualvairs-bounces at corvair.org
[mailto:virtualvairs-bounces at corvair.org] On Behalf Of FrankCB at aol.com
Sent: Monday, December 06, 2010 1:42 PM
To: gsteve at hammatt.com; virtualvairs at corvair.org
Subject: Re: <VV> LM Heater Blower Relay

Steve,
Another possibility is trying a 20 amp "slow-blow" fuse.  Unlike the  
"normal" fuse which will blow the instant the current drain exceeds 20
amps, the 
"slow-blow" fuse will take a short overload (for example,to get motors  
started) but will blow if the current drain exceeds 20 amps for a length of

time.
 
Frank Burkhard 
 
 
In a message dated 12/6/2010 12:41:43 A.M. Eastern Standard Time,  
gsteve at hammatt.com writes:

The  heater motor in my '65 is not working.
It has a blown 20amp fuse.  I'm  running a 
high output fan and maybe I should be running 
a relay  because of the larger blower.  Does 
anyone have a recommendation for  the 
relay and how best to install it?
Thanks.

Steve  Hammatt
Mount Vernon WA  USA

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