Main Switch (Auto-Cruise)
WARNING: This page is about a different car, the 1997 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect main switch harness connector. With switch in off position, ensure continuity exists between switch terminals No. 4 and 5. See Fig 1 . Switch illumination is between terminals No. 2 and 6. Replace switch if it does not test as specified.