Yeah, if you go for THAT ONE you won't have to worry with the key. The third wire will go to the other post bypassing the trucks ignition switch. You will obviously still need to make sure of the park or neutral thing.
1953 Chevrolet 3600 Fried Green T'mater (Vern) In the Stovebolt Gallery Caution: Political Statement Man who runs in front of car gets tired, man who runs behind car gets exhausted.
