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1991 Cadillac DeVille 4.9L Security System
Posted to GM Electrical on 6/8/2008 25 Replies

After replacing ignition key lock cylinder the engine will not crank. The key lock cylinder has the resistor in it that is wired to the pass key decoder module. It has a different ohm reading from the original. Is there a special tool needed to reprogram the p...

25 Replies Received (View Replies)

  Related Documents & Media  1991 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B9M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedSecurity System
ConditionsInop
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B9M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedSecurity System
ConditionsInop