1. Can to use a battery maintainer such as "Battery Tender" to keep the 12v battery completely charged 2. If so where do you connect it? 3. Can you use the battery jumper connection under the hood? Thanks westex39
Yes, hood or back, yes. Search for jayman's comments and threads about 12v battery charging and using a battery tender in cold weather if you leave the car for days at a time and/or take a lot of short trips.