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1991 Buick Park Avenue 3.8L Passlock
Posted to GM Electrical on 8/8/2002 11 Replies

Todays victim is a 91 Park Ave no start. The passlock module will not toggle the 5 volt signal from the ECM. The way I understand the system to work is that the passlock module reads the resistance of the pellet in the key. Then if it likes what it sees it tog...

11 Replies Received (View Replies)

  Related Documents & Media  1991 Buick Park Avenue

 
Message Closed w/Summary

car Vehicle Data

1991 Buick Park Avenue

VIN 1G4CW53LGM
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedPasslock
ConditionsIn-Op
Message Closed w/Summary

car Vehicle Data

1991 Buick Park Avenue

VIN 1G4CW53LGM
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedPasslock
ConditionsIn-Op