I've noticed this difference. When on Defrost, does the system ignore that cold engine lockout switch? ----- Original Message ----- From: "Otis Davidson" <otisdavidson@xxxxxxxxxxx> To: <mailing-list@xxxxxxxxxxxxxxxx> Sent: Wednesday, February 06, 2002 1:01 AM Subject: IML: Autotemp II Problem. (was: Blower problem) > That "cover" pops up. It is held on by clips. Just make sure it doesn't hit > the windshield when you pop it up. > > The fan-motor/blower operates only on Defrost? Was this the car that you > recently replaced the Water Valve on?? There are 2 vacuum connections on it > for the Cold Engine Lockout Switch feature. The only way the blower should > operate in Lo-Auto or Hi-Auto (not Defrost) is if the 2 vacuum connections > are connected properly and with proper vacuum. The Cold Engine L-O Switch on > the Water Valve lets the fan turn on when the temp of the coolant rushing > thru the valve is above 125'F. My AutoTemp II kicks on when the coolant > reaches 140'F....unless I have it set on Defrost,that is. > > Steve from Albany,N.Y. > '75 Imp 4dr <--with working AutoTemp II > '79 440 powered 35 ft RV <--appears to have some of the Chrysler Load > Leveler parts on it. I see the vac-powered compressor,reserve tank...and > there are retractable jacks underneath?? Hmmmm.