Sho Me Universal On/Off/Flash Switch Choose your Momentary Option:Positive Momentary Note: The OBD Passthrough will

Note: The OBD Passthrough will need to be removed for proper operation of the dealer diagnostic tool

Available only in Amber

'07-21 GMC Sierra 1500

all-aluminum casing

Sho Me Universal On/Off/Flash Switch Choose your Momentary Option:Positive Momentary Note: The OBD Passthrough willThis Universal on off switch features a momentary switch which will work with most any power supply or flasher that requires a momentary to change a flash pattern. It comes complete with wire and under dash mounting bracket. This switch is available in 2 different models: Positive Momentary Switch This unit will send 12 volts positive power when the momentary switch is pushed and used with LEDs that require 12 volts positive power to change the flash