Tools for Auxiliary Battery Installation
Installing an auxiliary battery in your van will take a few tools that most DIY mechanics probably won't have on hand. A proper set of wire crimpers, a small torch or heat gun to install the heat shrink and a step drill to make the hole for the rubber grommet will cover all of the basics. Here are a few affordable solutions for people who will only use these tools occasionally.
Crimp tool: HS-16 Ratcheting Heavy Duty Crimp Tool. Usually available for ~$20.00 on eBay (search for "HS-16 Crimp" to find the best deal).
I generally drill out the rivets that hold the ratcheting mechanism in place to allow precision crimping force without crushing the terminal (click image for detail).
Butane Torch - Bernzomatic 019585 Flexible Stem Butane Lighter
~$10.00-$12.00
Works well for installing heat shrink and makes a nice addition to the van for lighting the stove etc.
Mini Heat Gun - EGC HG-300D Mini Heat Gun
~$20.00-$25.00
Perfect for heat shrink tubing and terminals.
Step Drill - JEGS Performance Products W9003 Step Drill Set
~$10.00-$15.00
1/4" hex shanks. 1/16" increments.