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1997 Cadillac DeVille Concours 4.6L Compressor
Posted to GM HVAC on 6/23/2009 4 Replies

HELP!!! this 97 cadillac has no 12v ign to a/c relay. fans can be controlled thru scanner. If I add 12v to a/c relay "low refrig light" goes out and comp does work. Pressure goes way up and NO RAD FAN operation. WTF??? There is code p1654?? I might have B1654?...

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Message Closed w/FIX

car Vehicle Data

1997 Cadillac DeVille Concours

VIN 1G6KF5296V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCompressor
ConditionsNo 12V Comp
Message Closed w/FIX

car Vehicle Data

1997 Cadillac DeVille Concours

VIN 1G6KF5296V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCompressor
ConditionsNo 12V Comp