Shadow-Caster 4-Channel Underwater Light Relay Module [SCM-PD4CH] Brand_Guest Used to turn on exhaust

Used to turn on exhaust fans

Sierra 3500HD Denali (2007-2014)

Box Dimensions: 7"H x 10"W x 13"L WT: 4

Mounting screws included

Shadow-Caster 4-Channel Underwater Light Relay Module [SCM-PD4CH] Brand_Guest Used to turn on exhaust4 Channel Underwater Light Relay Module The SCM PD4CH is a 4 position power distribution box that provides a convenient way to connect up to 4 Shadow Caster underwater lights. Digital over current protection for each output ensures the safe operation of multiple lights and provides an easy way to manage the relatively high current switching needs of multiple light installations. The SCM PD4CH is housed in a compact waterproof box that is ideal for