October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Key Operated Switch
- With switch removed from quarter panel, disconnect harness connector from switch. Connect one test lamp lead to feed wire in connector and ground other lead. If lamp does not light, there is an open or short circuit between switch and power source.
Courtesy of GENERAL MOTORS COMPANY
- To check switch, connect a jumper wire between feed wire terminal and one of other terminals. Window should operate. Repeat procedure for other terminal. If window operates with jumper but not with switch, switch is defective.