Thanks, Mr. Jim. That's what I'm talking about. Bob R
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Wednesday, July 04, 2007 11:23 AM To: mercedes@okiebenz.com Subject: Re: [MBZ] Can I Fool My ACC? In a message dated 7/4/2007 9:39:41 A.M. US Mountain Standard Time, [EMAIL PROTECTED] writes: I know...but I was trying to figure out if there is a way I can...like just have the fan be hard on (a the defrost speed) while the AC is on. Like a controller bypass, know what I mean? Bob, First of all, the 15 amp cube relay that turns on the fan only when vacuum is present, is too small and builds resistance with age. Replacing this relay will restore much of your fan speed. ON DEFROST, the system uses a different type, less used relay and the fan seems to get better voltage. In the 79 300SD, the relay is directly behind the glove box. On your car, I THINK it is behind the center console. WARNING: there are several different 15 amp relays that look similar, but this one has a unique circuit. You could run a fused #12 wire (20 amp fuse) direct from a battery source, or even better, right off the alternator output block, and splice it up to the hot side fan plug wire. Brown is ground so the other wire is the hot, and the closer you hook it to the fan motor, the less losses you will experience. Add a convenient toggle switch in the wire to turn this feature off when the boost is not needed. You WILL be amazed! Yours in Hotsville, Jim Friesen Phoenix AZ 79 300SD, 267 K miles 98 ML 320, 151 K miles ************************************** See what's free at http://www.aol.com. _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
