× 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
1991 Buick Regal Gran Sport 3.8L Compressor
Posted to GM HVAC on 7/2/2002 14 Replies

Vehicle came in with no A/C operation. Determined that ECM was not turning on ground to A/C relay to engage compressor clutch. Replaced ECM. System working /good cold air. One week later back for same problem. Re-tested circuit,again found no ground control to...

14 Replies Received (View Replies)

  Related Documents & Media  1991 Buick Regal Gran Sport

 
Message Closed w/FIX

car Vehicle Data

1991 Buick Regal Gran Sport

VIN 2G4WD54L1M
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedCompressor
ConditionsInoperative
Misc.Grand Sport
Message Closed w/FIX

car Vehicle Data

1991 Buick Regal Gran Sport

VIN 2G4WD54L1M
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedCompressor
ConditionsInoperative
Misc.Grand Sport