Battery Cut Off Switch Installation

After reading about the horrors of an electrical fire, I decided to install a battery cut off switch. The switch also makes it easy to disconnect the battery when doing any electrical work on the car. I decided to mount it on the right side of the battery compartment cover. I’d seen one mounted on top of the cover, but I wanted to avoid having to fumble with the carpet that lies over the battery compartment cover. I didn’t take any measurements for this project, I just dove right in.

Supplies:
Battery Cut Off Switch
(2) 10/24 bolt, nut, plastic washer
Drill, drill bits
7/8 Spade drill bit
Red Plastic pen
Pencil

I marked in pencil where the holes should be on the compartment cover. I cut a red plastic pen into pieces to make hollow bushings for the bolts. Looks great:

I then put it back in the D, and saw the switch hits the plywood on the right side of the compartment. Maybe I should have measured? Oh well, time for an adjustment.

Additional Supply:
Jig saw

I marked in pencil where the switch was hitting the plywood. I notched out a section for the switch:

Finished product:


Where did it go?

Now my car is just a little bit safer.

Costs:
Battery Cut Off Switch Kit @ SpecialTAuto.com: $22.95 plus shipping.
(2) 10/24 bolts @ Ace Hardware: $0.19 each
(2) 10/24 nuts @ Ace Hardware: $0.08 each
(2) Plastic washers @ Ace Hardware: $0.15 each
Red Pen: Free