C 1500 Truck 2WD V6-4.3L VIN X (2003)
The following information is for the 1999-2002 wiring harnesses.
The following information is for the 2003-05 wiring harness.
To modify a 12171982, 15366255 or 15086884 harness for use in a 2003-05 vehicle, switch the wires in cavities "A" and "D".
To modify a 15085418 harness for use in a 1999-2002 vehicle (see model list at the front of this bulletin for applicable models), switch the wires in
cavities "A" and "D".
