× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1993 Cadillac DeVille 4.9L Compressor
Posted to GM HVAC on 7/6/2005 15 Replies

Hello,

This vehicle's A/C compressor won't engage on it's own. The compressor is not getting the ground from the PCM to the A/C Compressor Relay on the LT GRN/BLK wire (ckt 366). I can supply the ground and the compressor engages and works fine.

According ...

15 Replies Received (View Replies)

  Related Documents & Media  1993 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD53B9P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCompressor
ConditionsWon't Engage
Message Closed w/FIX

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD53B9P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCompressor
ConditionsWon't Engage