Automotive Lighting Circuit Board Model -GM-ALO-37 All Lights On Module Compatible With 2003-2007 Full Size GM Trucks (2005-3500 Sierra)
Brand: iFJF

Fitment:for 2003-2007 full-size utility trucks (2005-3500 Silverado/Sierra)

Suitable: for 2003-2007 full-size utility trucks (2005-3500 Silverado/Sierra)
Easy to install:just install the modulesand then reinstall the relay.
Remove the relay shown, install the module on the circuit board, and then reinstall the relay.