Installed an alarm module in my 2005 RKC. It's a snap. Pull off the left side cover and remove the maxi-fuse. Pull off the right side cover and remove two nuts to access the rear of the ECM panel. Plug in the wire, fit the module into the molded recess and re-install. Took about 5 minutes. I can't believe the dealers even charge for this.

The siren's pretty neat. I set it off in the garage just to watch my wife jump. Totally worth it.

 

Heck I forget to turn mine off sometimes and the siren gets me as well.

John TN