>From my understanding the AC comes on during defrost to help dry the air.
Hot moist air doesn't do much for "defogging" a windshield.
At 08:13 AM 12/4/97 -0500, you wrote:
>CC does this on all its vehicles. Has been since the mid/early 70's.
>They claim it keeps the A/C system lubricated and causes fewer
>compressor failures. On the old pushbutton control types, you could
>pull the button back out with your fingers, and it would prevent the
>compressor from running in defrost. Only way I know to keep it from
>running in defrost now is to splice a switch into the line to the
>compressor, or unplug it at the compressor.
>
>>>I've been reading my 1995 Dakota Owner's Manual, and was surprised to
>read (on page 69) that (in an AC equipped truck) the air conditioning
>compressor comes on automatically when the air-direction pushbutton is
>set on Defrost. "To improve fuel economy, leave in Defrost only when
>necessary," states the manual. Hope this tid-bit is helpful, Greg
>Schaller<<
>
>Azie
>
Robert Carmack
rob@notnow.com
rcarmack@misn.com
***
JESUS SAVES, passes to Moses, he shoots. It's good! He scores!
***
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:08:00 EDT