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All Technical Service Bulletins for Wiper Control Module: > < Wiper Blades - Chattering on Windshield
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Wiper Control Module: Customer Interest
Pulse Wiper System - Phantom Wipe

Number:

83-94

Section:

8C (I)

Date:

Oct., 1983

Subject:

PULSE WIPER SYSTEM (RPO CD4)

PHANTOM WIPE

Model and Year: 1983 AND PRIOR - "C-K" TRUCKS

TO:

ALL CHEVROLET DEALERS

Some "C-K" trucks equipped with the optional pulse wiper system, RPO CD4, have experienced cases of phantom wipe. These
phantom wipes of the windshield wiper arms occur at engine start-up and/or randomly with the wiper system in the "off" position.

To correct any vehicle with this condition, install pulse wipe control module, P/N 15598419. The module is located under the dash to
the left of the steering column.

All Technical Service Bulletins for Wiper Control Module: > < Wiper Blades - Chattering on Windshield