This is just one way of doing it, by measuring the resistance. The mixed up fuse shouldn't be causing a problem, but it can cause a problem when the fuse needs to blow up to save the rest of the electrical.
How To Perform a Parasitic Draw Test - EricTheCarGuy
This video has been a long timing coming and is one of the most requested things I get is about batteries going dead overnight so I'm very happy to finally bring you this video about the process of finding a parasitic draw which is a small drain on a battery above 50ma when the vehicle is shut off. Once you find the right fuse(s) the next step is to trace the components involved in that circuit till you find the source of the draw, you first start with a wiring diagram to give you an idea of where to start looking and then start unplugging things in that circuit to isolate the cause, it's quite scientific really a simple process of elimination. Here is a link to BBB's site that you can use to look up wiring diagrams for your application.
Good luck and if you have anymore questions check the database on my website and if you don't find what you're looking for there then post your question to my forum, here's a link.
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Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.
Short Circuit Detector, Automotive, DIY, blown fuse
This video describe how I made a simple and inexpensive short circuit detector for automotive troubleshooting. The devices is designed to help find the source of automotive short circuits and blown fuses.
This video is published for entertainment purposes only, and it is not to be construed as an instruction guide. If you need help with an automotive problem you should carefully assess your limitations, and consider consulting a professional before getting in over your head. Be careful to protect yourself and to protect your property by not doing something you are unqualified to do....
Car battery going flat how to check for a drain
http://www.askthemechanic.co.uk/electrical/battery-drain.html If your car battery is going flat over night, you need to check for a drain, we show you two methods to do this, using a current clamp and a multi-meter.
Testing For Current Drain That Runs Down Car Battery
When your car battery runs down when the car is just parked and won't start the car after a few days, most people assume it's a short circuit. Shorts tend to fix themselves by melting things, it's probably a current drain. You can find out with an inexpensive multimeter with a DC Amp Scale.
How to Troubleshoot a Starter Problem
Learn how to diagnose and troubleshoot an automobile no-start condition. Includes procedures for performing battery load tests and starter tests. Includes tips and advice for all auto enthusiasts. Sponsored by BBB Industries - makers of premium alternators and starters that meet or exceed OE form, fit and function. http://www.BBBind.com
How to Remove & Replace a Starter:
How to Properly Shim a Starter:
Detailed white paper on heat soak condition:
Eric the Car Guy is an ASE-certified Master Technician based in Cincinnati, Ohio.
Fix Electrical Shorts in Your Own Car
Emmy award winning mechanic Scotty Kilmer shows how to repair electrical shorts in your own car. For the answers to all your car care questions, visit www.scottykilmer.com All questions are expertly answered, absolutely free by Scotty personally.
How to find automotive electrical shorts
Want to see what my homemade 12v short finding automotive circuit breakers look like? I posted pictures of them here http://www.youfixcars.com/electrical-shorts.html
Finding automotive electrical shorts that blow fuses can be time consuming. This video shows you a logical method you can use to hunt down wiring short circuits in your car. Also included is information about the inexpensive tools I use to save on replacement fuses. Using an automotive circuit breaker that is the same size as the fuse that is blowing can help isolate the shorted area.
Car Repair & Maintenance : How to Check if a Relay Is Bad
There are various types of relays on every vehicle, and they're not all wired in the same way, but the first step would be to go to the fuse box to find the appropriate circuit. Find out how to use one relay to test another with help from an ASE-certified mechanic in this free video on troubleshooting car problems.
Expert: Tom Brintzenhofe
Bio: Tom Brintzenhofe has been a mechanic for more than 17 years.
Filmmaker: Reel Media LLC