FixVault

Wipers Operate; Wiper Switch Turned Off

Unplug junction block connector C8 (located behind left kick panel). See Fig 1 . Turn ignition on. If wipers stop, replace wiper motor. If wipers do not stop, check for short circuit to voltage in Blue/Red wire between combination switch and wiper motor. If wire is okay, replace combination switch.

Fig 1: Junction Block Connector C8 Terminal ID (Natural)
G93J83377Courtesy of GENERAL MOTORS CORP.
JUNCTION BLOCK CONNECTOR C8 TERMINAL ID

Cavity Wire Color Circuit
1 WHT/RED HAZ Fuse Horn Relay
2 Not Used Not Used
3 BLU/GRN Horn Switch/Horn Relay
4 GRN/YEL RH Front Turn Lamp
5 PPL/YEL ECM Diagnostic Request Signal
6 YEL Back Fuse
7 RED Headlights
8 YEL/BLU WIP Fuse/Front Wiper Motor
9 GRN/RED LH Front Turn Lamp
10 WHT TAIL Fuse
11 Not Used Not Used
12 RED/WHT Headlamps
13 RED/YEL Light Switch
14 Not Used Not Used