Need help with AC July 03, 2019, 07:27:47 PM Have a 83 cougar LS. 5.0. Turn on the Air nothing. Jumped the low pressure switch pops fuse #6. Pulled wire for clutch. Still pops #6. Put it all back charged the system got to pressure pops #6. Talk to 4 garages all 4 refused to work on it. What I need to know if there is a relay. What’s its location? Where is this diode. This is a 65000 mile un touched car.