Sears Multi-meter on sale - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 11 (permalink) Old 09-26-2006, 01:26 PM Thread Starter
 
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Sears Multi-meter on sale

Sears has their Craftsman Multi-meter on sale this week. Usually 19.99, it's on sale for 8.99. If you don't have one, you need one. Most of the electrical problems listed in this tech section can be solved with this tool. If you have fuel injection, you probably have five or more sensors that can go bad, not to mention the connectors and wiring. This little machine can save you hundreds of dollars, but even more important, it can save you time and aggravation.
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post #2 of 11 (permalink) Old 09-26-2006, 01:37 PM
 
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the art of electrical trouble shooting can save you a fortune
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post #3 of 11 (permalink) Old 09-26-2006, 01:38 PM
 
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Sweet! Good find dude! Rep pts added
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post #4 of 11 (permalink) Old 09-26-2006, 01:41 PM
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Good find!
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post #5 of 11 (permalink) Old 09-26-2006, 02:09 PM
 
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I've had a multi-meter for many years. A buddy of mine thinks I'm nuts because I have "useless" tools. Granted, he doesn't know the difference between a phillips and a flathead screwdriver. If he's around and I ask for one, I have to say a screwdriver with a "cross" on the end. But he never complains when I fix his vehicles or things in his house using my "useless" tools.
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post #6 of 11 (permalink) Old 09-26-2006, 02:36 PM
 
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Originally Posted by Captain Morgan View Post
I've had a multi-meter for many years. A buddy of mine thinks I'm nuts because I have "useless" tools. Granted, he doesn't know the difference between a phillips and a flathead screwdriver. If he's around and I ask for one, I have to say a screwdriver with a "cross" on the end. But he never complains when I fix his vehicles or things in his house using my "useless" tools.
I know Mr Phillips invented the phillips head screwdriver, when did Mr. Flathead invent his?

My friend has about every tool in the world... I love working on my car there...
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post #7 of 11 (permalink) Old 09-26-2006, 03:35 PM
 
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the art of electrical trouble shooting can save you a fortune
Good find.
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post #8 of 11 (permalink) Old 09-26-2006, 06:37 PM Thread Starter
 
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Most motorcycle techs would rather tear apart an engine than deal with electric problems. Mainly because you can't see, feel, hear, taste, touch, or smell electricity flowing through a wire. You just have to believe it and hope it keeps on flowing when you need it. Believe it or not, most defective electrical parts actually had simple wiring problems.

You'll have to look up the basic terms like voltage, current, resistance, watts, loads, paths, series circuit, parallel circuit, hot side and ground side. But basically, there are only three catagories of wiring problems: opens, shorts, and grounds.

To troubleshoot many electric parts, you have to check the resistance or voltage. The digital multi-meter can do that. For the wiring, an open means that the circuit has been interupted by something like a broken wire, corroded connector, or faulty switch so it doesn't work. To test for opens, you need a 12 volt test light, about $10.

To test that your electric paths are continuous, you need a self-powered test light, also called a continuity tester, about $10. It uses it's own battery, so you can test circuits with the motorycle battery disconnected. It tests for opens on segments of the wiring or on connectors.

If you have a blown fuse, suspect a short, where the hot side path (from the positive side of the battery) has touched a ground wire or frame. Usually from the seat or gas tank rubbing on a wire. To locate a short, disconnect all grounds from the circuit, attach your clip to ground and probe your connectors. Any circuit that still has continuity contains the short.

A ground is like a short, but on the ground side, like a horn that won't stop or brake light that stays on. Of course this is just a basic idea and you should use your wiring diagram, manual, and electric book, or bring it to a mechanic. But with these simple tools, you can troubleshoot most electric problems.
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post #9 of 11 (permalink) Old 09-26-2006, 07:25 PM
 
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Good find! I've already got an expensive Craftsman multi-meter which I use all most everyday at work and out on the feild. It works great, but where I use it so often....I'm going to invest in an expensive Fluke meter soon.
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post #10 of 11 (permalink) Old 09-26-2006, 10:46 PM
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Good find!


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post #11 of 11 (permalink) Old 09-26-2006, 10:48 PM
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I've gathered a number of multi-meters over the years and have found that the cheapest crappiest one you can find... Is just as good as the $30 one... www.harborfreight.com - I got two of them from this place for free just by placing a couple orders over $200...
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