Diagnostic Aids

WARNING: This page is about a different car, the 2000 Chevrolet Corvette and 1999 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Following conditions may cause an intermittent malfunction:

Intermittent open or short to ground in battery No. 1 circuit (Orange wire).
Battery voltage is not within range (8.5-16.3 volts).
Charging system malfunction.

Using scan tool, select RDCM data display and monitor battery No. 1 voltage while test driving vehicle and operating different devices (windows, door locks, etc.). This can determine if battery No. 1 voltage is affected by these devices and can help duplicate malfunction.