RE: [DML] Air Conditioner vacuum controls, tech help please.

["John Hervey" <john@xxxxxxxxxxxxxxxx>]

Joe, Fan speed 3 & 4 power come directly from the battery / alternator and
go thru the CB the 3 and 4 relay to the blower motor. If the mode switch
doesn't turn on the relays then 3 & 4 relay's won't be turned on. Speed 1,
2, 3, get there power thru the mode switch and go thru the resistor then
blower motor. The mode switch power comes thru #18 fuse.
John Hervey




-----Original Message-----
From: Joe OBrien
Subject: [DML] Air Conditioner vacuum controls, tech help please.
Well,
I've been working on the AC system on 16851 for a few weeks now to
get it ready for summer. Most everything seemed ok on the car, but
there was always one kinda weird scenario in the controls via the
mode switch.





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