Installation Instructions
15 GMC HD Premium Front Bumper
Product Number: C3150, C3151, C3152
Application: 2015-2019 GMC HD
Copyright 2008 Fab Fours, Inc.
Page 14 of 21
C315X_REV_A
FAB FOURS TURN INDICATOR WIRING
WHITE WIRE = GROUND
BROWN WIRE = RUNNING
RED WIRE = TURN
FAB FOURS FOG LIGHT WIRING
WHITE WIRE = GROUND
BLACK WIRE = POWER
*Note: For customers that are going from LED to our LED lights
you should not need to use the provided resistors*
*For customers that are going from Halogen to our LED lights then
you may need to use the provided resistors on our turn indicators;
please wire the resistors between your power and ground wire*
*Use a multi-meter or test light to determine the correct location for
each wire