K 2500 Truck 4WD V8-379 6.2L DSL (1988)
Turn Signal Flasher: Technical Service Bulletins
Lighting - Improved Directional Signal Flasher
GMC NUMBER:
88-T-135
GROUP:
8B - Chassis Electrical
DATE:
August, 1988
CORPORATE
NUMBER:
868204
SUBJECT:
IMPROVED DIRECTIONAL SIGNAL FLASHER
MODELS:
1988 C/K
Starting with Date Code 0928 manufacturing changes have resulted in an improved Directional Signal Flasher used in the 1988 C/K model trucks. The
Date Code is located on the face of the plastic housing above the center prong. Following are the VIN breakpoints for usage of the improved flasher.
JZ547110
Fort Wayne
JE529882
Pontiac East
J1565587
Oshawa
P/N 15607051 for the flasher did not change. All GMSPO stock is 0928 Date
Code or later.
For vehicles repaired under warranty use:
Labor Op N1760 Labor Time .2 Hr.
