96 GT AC issue

Mikelo12

New Member
Oct 28, 2019
4
0
1
42
Mill Creek WA
Hi All,

I am at the end of my rope with the AC in my 96 GT.

Full resto has been done on the car including AC system. New compressor, lines, accumulator, switch, recharge.

System holds pressure and worked great for a couple days and now today the compressor does not cycle on.....

Any ideas of where to go next??

Thanks guys!
 
  • Sponsors(?)


wmburns

SN Certified Technician
Aug 14, 2009
5,674
470
164
Houston Texas
With the AC on, Is there key on +12 volts at the AC low pressure switch? On BOTH sides?

What happens when the low pressure switch is jumped?
 

wmburns

SN Certified Technician
Aug 14, 2009
5,674
470
164
Houston Texas
Well. Things just got more complicated. It's not necessary to trouble shoot the entire AC clutch circuit.

At the AC clutch, is the key on, AC on 12 volts at either terminal?

At the AC clutch, CONFIRM there is a good ground. Best to use a test light that will "load" the circuit.

Measure the key off resistance through the AC clutch coil. Post.

Does the AC clutch engage IF +12 volts is jumped directly to the AC clutch? Best to use a fused jumper.