Diagnostic Aids
WARNING: This page is about a different car, the 2000 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.
An intermittent condition is likely to be caused by high or low resistance, a short to voltage or ground or loose connections in driver-side SIS circuit. Inspect circuits 2131 and 2132 carefully for cutting or chafing of wiring.
NOTE:
For circuit number and wire color identification, See WIRING DIAGRAMS .