EXPERTEC TSB (84-B-33)
Publication date: 1984-03-04Reference number: 84-B-33
EXPERTEC TSB
TECHNICAL SERVICE BULLETIN
CRUISE CONTROL DIAGNOSIS - TEST PROCEDURE
Model(s): 1983-84 GMC Light Duty Vehicles With RPO K34
Bulletin No.: 84-B-33
Date: 03/04/1984
MODELS
The 1983-84 light duty product incorporates a Cruise Control system called Custom Cruise III. To simplify diagnosis of this system, a hand held tester had been developed. The service manual describes an alternate procedure which duplicates the action of the tester.
Attached is information from two manufacturers of this tester for your consideration.
"We believe these sources and their equipment to be reliable. There may be additional manufacturers of such equipment. General Motors does not endorse, indicate any preference for, or assume any responsibility for the products or equipment from these firms, or from any such items which may be available from other sources."