Here's one with the obligatory picture of Man's Best Friend being ever so helpful:
http://www.keyless.com/KE-1600%20Main.htm
Here's a link to a step-by-step guide to installing it:
http://www.atrn.com/pdf/sbs_1000.pdf
http://www.keyless.com/KE-1600%20Main.htm
Here's a link to a step-by-step guide to installing it:
http://www.atrn.com/pdf/sbs_1000.pdf