Diagnostic Aids
WARNING: This page is about a different car, the 1999 Buick Regal and 1999 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions may cause an intermittent:
- Intermittent short to ground in circuit No. 1073 (White/Black wire).
- Intermittent short between circuit No. 1073 (White/Black wire) and No. 1074 (Purple/White wire).
- Shorted key resistor pellet.
- Shorted ignition lock cylinder key contacts.