FixVault

MULTIFUNCTION Switch

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Multifunction switch contains headlight switch and turn signal/hazard switch.

Turn ignition off. Disconnect connector C209 located at base of steering column. Using DVOM, check for continuity between specified terminals with headlight switch in specified position. Ensure continuity is as specified. See MULTIFUNCTION SWITCH CONTINUITY TEST  table. If continuity does not exist as indicated, repair wiring harness or replace multifunction switch.

MULTIFUNCTION SWITCH CONTINUITY TEST

Switch Position (1) Continuity Between Terminals
Flash-To-Pass On X & K
Headlight Switch Off T & Ground
Headlight Switch On
At All Times S & Ground
High Beams On W & K
Low Beams On W & L
Turn Signal Switch
Left Turn On A & C; A & B; D & B; D & F
Right Turn On A & C; D & C; D & B; D & G
(1) See Fig 1 .
Fig 1: Identifying 23-Pin Connector C209 Terminals
G98C00416Courtesy of GENERAL MOTORS CORP.