I noticed 2 spade connectors next to the sight glass - one red and one black (I think - terrible memory) but tomorrow i'll look closer.

thx
Larry

On 9/25/2013 6:27 PM, Dan Penoff wrote:
Low pressure switch is usually on top of the receiver-drier.  Short the wires 
together and see if things run at that point.  If so, you've lost your charge.

Dan



On Sep 25, 2013, at 5:43 PM, Larry T wrote:

Howdy -
    1991 300D 2.5T. We keep the ACC on /Auto /assuggested and the AC worked 
fine until this afternoon when she was coming home from work. The AC worked 
great yesterday on her way home and this morning it was in the 40s and 50s so 
it wasn't really needed - then today it failed to cool.  When I checked the 
Compressor I found it was not coming on with the AC switch.     Checked and 
replaced #7 Fuse with no affect.

Does the Compressor have a High/low Pressure Shut-off? We had it topped off in 
April and it has been blowing cold since.

I can see some electrical connections below the PS Pump on the top of the 
Compressor but have no idea how/which ones to test.   There are either 3 or 4 
wires attached to the Compressor  - which one should be Hot?

Should I just throw up my hands and call the Indy or pray for cool weather?   I 
hope this isn't one of those thousand $$ problems!

;-)
Thanks -
LarryT
91 300D




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