Windshield Wiper - Phantom Wipe
90chevy21GMC NUMBER: 90-8C-38(A)
GROUP: 8C Instrument Panel and Gages
DATE: June, 1990
CORPORATE
NUMBER: 968302R
SUBJECT: WINDSHIELD WIPER PHANTOM WIPE
MODELS: 1985-90 S/T TRUCK AND M/L VANS W/CD4 (Windshield Pulse Wiper System)
THIS BULLETIN CANCELS AND REPLACES GMC TRUCK SERVICE BULLETIN 90-8C-38 (CORPORATE NUMBER 968302), TO UPDATE THE LABOR TIMES. ALL COPIES OF 90-8C-38 SHOULD BE DISCARDED.
Some 1985-1990 M/L vans and S/T model trucks may exhibit intermittent phantom wipe - occasional wiper sweep of the windshield with no driver input. A new steering column wiper switch has been developed with an internal resistor to correct this condition.
The following parts can be installed to repair intermittent phantom wipe. They will service subject M/L vans and S/T trucks.
SERVICE PARTS INFORMATION
Part Number Description
26020403 Switch (Standard)
26020404 Switch (Tilt Wheel)
Parts are currently available through GMSPO.
WARRANTY INFORMATION For vehicles repaired under warranty use:
Labor
Models Labor Time Labor Time
Operation (Standard) ( Tilt Wheel)
N2610 S/T M/L 1.2 hrs 1.0 hrs