Uploaded August 2025 | Updated September 2026, 2 weeks ago
Learn how to safely hardwire a DC inverter in your car. We cover wire sizing, fusing, voltage drop, cable routing, and inverter placement to make your setup safe and efficient.
๐ Tools & parts used in this video:
100A,150A,200A,250A,300A ANL Fuses: amzn.to/4kSyctO
Battery Terminal Connectors for Ring Terminals: amzn.to/45iaAtY
Quick Release Battery Terminals: amzn.to/4vQUkeA
Variable Speed Drill: amzn.to/4o3Wynd
6 Pack Carbon Steel Wire Wheel Set: amzn.to/4o3dnyE
Tesa Tape: amzn.to/4kXirSv
Metal Zip Ties: amzn.to/3GGUyRf
Plastic Cable Zip Ties,400 Pack Black Assorted Sizes: amzn.to/4kS2LQx
3/4" Trunking/Conduit (Sized for 0AWG+Insulation): amzn.to/3Uu4hNO
Expandable Braided Sleeving: amzn.to/4kWespm
[Inverters]
1500W Pure Sine Wave Inverter: amzn.to/478bf2J
2000W Pure Sine Wave Inverter: amzn.to/3JpeqcB
1500W Modified Sine Wave Inverter (Cheap): amzn.to/4myNDJr
2000W Modified Sine Wave Inverter (Cheap): amzn.to/3HKufdh
[Wiring]
1/0 Gauge Battery Cable Copper Wire, 3FT Red+3FT Black (Small amount, less cost): amzn.to/4o0x9uN
1/0 Gauge Wire(20ft Each - Red/Black) Copper (A lot, but better value): amzn.to/44WbFI5
[Crimping]
Cable Lug Crimping Tool with 170pcs Copper Wire Lugs, Wire Crimping Tool for AWG 10-1/0 (Almost everything you need): amzn.to/4oaIR6e
SEEKONE Heat Gun 1800W 122โ-1202โ๏ผ50โ- 650โ๏ผFast Heating Heavy Duty Hot Air Gun: amzn.to/4lGxSzx
Ring Terminals Only 10pcs 1/0 AWG Battery Lugs: amzn.to/46JoEOD
Heat Shrink Tubing Only 400 Pcs: amzn.to/44Y2zsR
Digital Measuring Caliper: amzn.to/3IH3yWZ
Silicone Paste/Dielectric Grease: amzn.to/46seyS4
WORKPRO Premium Utility Knife: amzn.to/3IL0Dws
#carinverter #dcinverter #carDIY #autoelectronics #carlife #diycarprojects #carpower #inverterinstallation #carhacking #electricalsafety
-----
In this video, we cover:
Correct wire sizing for your inverter
- Proper fusing and safety precautions
- Calculating voltage drop and selecting the right cable length
- Choosing the correct inverter size for your setup
- Routing cables through the firewall safely
- Why you shouldnโt use the fuse box or cigarette socket
- Whiteboard theory: inverter efficiency, worst-case draw calculations, and safety margins
Whether youโre powering tools, camping gear, or electronics in your car, this guide will help you do it safely and efficiently.
-----
[Videos mentioned in this video]
How To Crimp Wires Like a Pro - Ring Terminals, Dielectric Grease, Heat Shrink (Step-by-Step Guide)
youtube.com/watch?v=XdqxDli9SP8
Ultimate DIY Guide to Upgrading 'The BIG 3' Wiring in Your Car or Truck
youtube.com/watch?v=mQA-KM_064c
-----
Instagram: instagram.com/tutorialgenius
Video uploaded and managed using YouTube Bulk Uploader for the Lazy!
Manage and Auto-Tag your YouTube videos offline... Then upload!
Learn more: ginkosolutions.com/youtube-bulk-uploader
Want to ask a question, perhaps not related to the video? Ask here: asqme.com/@TutorialGenius
I will answer any car mechanic question in lots of detail!
-----
How To Hardwire a DC Inverter in Your Car | Wire Sizing, Fusing & Safety Explained
The car in the video is a Smart FORFOUR PULSE RHD 2006 1499cc (1.5L) 80Kw (454032). However, the procedures shown in the video will apply to most vehicles and applications.
However, the procedures shown in the video will apply to most vehicles and applications.
SUBSCRIBE FOR MORE!
-
Chapters:
0:00 Intro
0:22 Why do we need to Hardwire?
3:25 How Gauge of Cable Do I Use?
7:57 What Length of Cable?
8:46 Cable Calculator
12:11 Passing Cable Through the Firewall
15:49 Conduit Options
17:39 Grounding Options
20:29 Testing for a Good Ground
23:20 Braid Tips
24:04 Crimping and Terminal Options
25:27 Wire to Battery or Alternator?
26:19 Fusing The Positive Line
30:10 Securing and Connecting
31:10 Attaching the Ground Cable
32:34 Testing
33:36 Pure vs Modified Sine Wave and Futureproofing
34:02 The Big 3
34:51 Summary
Learn how to safely hardwire a DC inverter in your car. We cover wire sizing, fusing, voltage drop, cable routing, and inverter placement to make your setup safe and efficient.
๐ Tools & parts used in this video:
100A,150A,200A,250A,300A ANL Fuses: amzn.to/4kSyctO
Battery Terminal Connectors for Ring Terminals: amzn.to/45iaAtY
Quick Release Battery Terminals: amzn.to/4vQUkeA
Variable Speed Drill: amzn.to/4o3Wynd
6 Pack Carbon Steel Wire Wheel Set: amzn.to/4o3dnyE
Tesa Tape: amzn.to/4kXirSv
Metal Zip Ties: amzn.to/3GGUyRf
Plastic Cable Zip Ties,400 Pack Black Assorted Sizes: amzn.to/4kS2LQx
3/4" Trunking/Conduit (Sized for 0AWG+Insulation): amzn.to/3Uu4hNO
Expandable Braided Sleeving: amzn.to/4kWespm
[Inverters]
1500W Pure Sine Wave Inverter: amzn.to/478bf2J
2000W Pure Sine Wave Inverter: amzn.to/3JpeqcB
1500W Modified Sine Wave Inverter (Cheap): amzn.to/4myNDJr
2000W Modified Sine Wave Inverter (Cheap): amzn.to/3HKufdh
[Wiring]
1/0 Gauge Battery Cable Copper Wire, 3FT Red+3FT Black (Small amount, less cost): amzn.to/4o0x9uN
1/0 Gauge Wire(20ft Each - Red/Black) Copper (A lot, but better value): amzn.to/44WbFI5
[Crimping]
Cable Lug Crimping Tool with 170pcs Copper Wire Lugs, Wire Crimping Tool for AWG 10-1/0 (Almost everything you need): amzn.to/4oaIR6e
SEEKONE Heat Gun 1800W 122โ-1202โ๏ผ50โ- 650โ๏ผFast Heating Heavy Duty Hot Air Gun: amzn.to/4lGxSzx
Ring Terminals Only 10pcs 1/0 AWG Battery Lugs: amzn.to/46JoEOD
Heat Shrink Tubing Only 400 Pcs: amzn.to/44Y2zsR
Digital Measuring Caliper: amzn.to/3IH3yWZ
Silicone Paste/Dielectric Grease: amzn.to/46seyS4
WORKPRO Premium Utility Knife: amzn.to/3IL0Dws
#carinverter #dcinverter #carDIY #autoelectronics #carlife #diycarprojects #carpower #inverterinstallation #carhacking #electricalsafety
-----
In this video, we cover:
Correct wire sizing for your inverter
- Proper fusing and safety precautions
- Calculating voltage drop and selecting the right cable length
- Choosing the correct inverter size for your setup
- Routing cables through the firewall safely
- Why you shouldnโt use the fuse box or cigarette socket
- Whiteboard theory: inverter efficiency, worst-case draw calculations, and safety margins
Whether youโre powering tools, camping gear, or electronics in your car, this guide will help you do it safely and efficiently.
-----
[Videos mentioned in this video]
How To Crimp Wires Like a Pro - Ring Terminals, Dielectric Grease, Heat Shrink (Step-by-Step Guide)
youtube.com/watch?v=XdqxDli9SP8
Ultimate DIY Guide to Upgrading 'The BIG 3' Wiring in Your Car or Truck
youtube.com/watch?v=mQA-KM_064c
-----
Instagram: instagram.com/tutorialgenius
Video uploaded and managed using YouTube Bulk Uploader for the Lazy!
Manage and Auto-Tag your YouTube videos offline... Then upload!
Learn more: ginkosolutions.com/youtube-bulk-uploader
Want to ask a question, perhaps not related to the video? Ask here: asqme.com/@TutorialGenius
I will answer any car mechanic question in lots of detail!
-----
How To Hardwire a DC Inverter in Your Car | Wire Sizing, Fusing & Safety Explained
The car in the video is a Smart FORFOUR PULSE RHD 2006 1499cc (1.5L) 80Kw (454032). However, the procedures shown in the video will apply to most vehicles and applications.
However, the procedures shown in the video will apply to most vehicles and applications.
SUBSCRIBE FOR MORE!
-
Chapters:
0:00 Intro
0:22 Why do we need to Hardwire?
3:25 How Gauge of Cable Do I Use?
7:57 What Length of Cable?
8:46 Cable Calculator
12:11 Passing Cable Through the Firewall
15:49 Conduit Options
17:39 Grounding Options
20:29 Testing for a Good Ground
23:20 Braid Tips
24:04 Crimping and Terminal Options
25:27 Wire to Battery or Alternator?
26:19 Fusing The Positive Line
30:10 Securing and Connecting
31:10 Attaching the Ground Cable
32:34 Testing
33:36 Pure vs Modified Sine Wave and Futureproofing
34:02 The Big 3
34:51 Summary
