- 1). Measure the space under the passenger seat of your car, truck or SUV. You'll need the length, width and height.
- 2). Buy a 1500 watt inverter that will fit into this space. If you have a truck or SUV, you'll have no problem. If you have a small car, make sure and buy an inverter that will fit. They come in many different sizes. Try to get one that will surge 3000 watts or better. Most devices use a lot more power when starting.
- 3). Buy a set of jumper cables at least 10 feet long. A 1500 watt inverter will draw over 125 amps, so get at least 2/0 AWG (2-gauge) copper wire. Cut the clamp ends off.
- 4). Remove the passenger seat. Usually four bolts hold it to the floor.
- 5). Drill holes in the floor of the vehicle and mount the inverter with sheet metal screws. Look under the car and all around to make sure you're not drilling into wires or something else important.
- 6
Wire through firewall
Connect a wire to the positive side of the inverter and fish it from the back of the inverter to the battery. Use a red colored wire if you have a choice. You can probably go under the carpet and through an existing hole in the firewall. If you have to drill a new hole, make sure to buy a rubber grommet to protect the wire. - 7
Positive battery terminal
Attach at least a 150 amp fuse to the end of the wire and connect it to the battery. (Remove the fuse first) You can use the type of clamp used in connecting large starter wires as in the picture. - 8
Negative wire clamped to seat bolt
Connect a short wire from the negative side of the inverter to the bolt that holds the seat. Again, you can use a clamp connector like in the picture. - 9
Back of Inverter with seat installed
Replace the seat. - 10
Really big fuse
Put the fuse in, and your inverter is ready for use.
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