Dual Window Switch

The switch can activate a shift light, while controlling 1 stage of nitrous, or it can control 2 stages of nitrous independent of each other. It can be used for many other applications as well, suc...more

 

Electronics Videos
 
Control Nitrous and Water Injection with Granatelli's Dual Window Switch
Granatelli Motorsports has a new Window Switch that allows Ford owners to add an external Tach, as well as have full control over nitrous and water injection systems..
 
Granatelli debuts RPM Window Switch
J.R. Granatelli talks about the new GMS RPM window switch at the 2007 SEMA show in Las Vegas.