RE: New level of control for the Viper Fan

From: Jamie Calder (jcalder3@cfl.rr.com)
Date: Sun Jul 16 2006 - 08:12:46 EDT


Great job. Sounds like it took a lot of figuring! Do you happen have a
schematic?

-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Mallett,
Donald B
Sent: Saturday, July 15, 2006 5:44 AM
To: dakota-truck@dakota-truck.net
Cc: donald@mallettservices.com
Subject: DML: New level of control for the Viper Fan

   After lots of time studying the FSM, digging around the Dak and way to
many trail and errors. Finally able to get the Viper fan to shut off when
the Dak is moving at a speed that a fan is not needed. Now with the A/C on,
the Viper fan will automatically shut off when the Dakota reaches appox
30mph. When speed drops to appox 15mph the fan will automatically turn back
on. In this configuration controller will turn the fan on during heavy
acceleration and or when the radiator mounted temperature probe call for
cooling. The three other setting can still be used.

1 Manual -- OFF
2 Manual -- ON
3 Auto ON -- A/C off, controlled by engine temperature
4 Auto ON -- A/C on, controlled by truck speed. {controlled by engine
temperature, will overrides truck speed shut off feature}

Prior to this new additional control, the viper fan would run continually
when the A/C was on and "Auto ON" mode was selected.

Don M.
Fort Worth TX
www.y2kota.us

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