wiring info for remote starter on 97 Grand Caravan

[ruedy]

Hi, my first post so please bear with me.
I would like to install a remote starter on my 97 Grand Caravan.
Technically not a problem, except; I am quite crafty with cars and wiring but I don't know where to locate every necessary wire on this van to tap into unless I spend some time tracing around. I have a service manual from the dealership, but still. Is there a way I can get that installation info for my van? Finding the brake signal from the wire at the brake switch is an easy one but I would need help with finding some of the other signals. I know that if I knew just the right spot to tap into, it'd be a cinch. At least much faster. The guys that install them know exactly where to look on each car. Hoping you can help.