Circuit Tester

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  #1  
Old 01-08-05, 11:14 AM
Superman
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Circuit Tester

I think I have bad battery cables.

I just bought one of those circuit tester. It is the fancy type because it is digital.

Can someone tell me how to test against battery cables? This circuit tester has a dial with AC, DC, Resistance, and couple of other stuff. I need to know where the negative and positive needles touch the battery and the battery cable.

Thank You
 
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  #2  
Old 01-08-05, 02:48 PM
Join Date: Jun 2002
Location: Long Island, NY
Posts: 1,531
DC volts

You would want to do a voltage drop test. It can be done by placing one probe on your post and the other on the terminal. It really doesn't matter which probes (the reading may have a (-) before it ....ignore it or reverse the probes). If it doesn't start you may have to engage the starter while taking the reading.

What you looking for is less than .2 or .3 volts for a connection and .5 volts for a switch.

Basically electicity will follow the path of least resistance. If the connection is bad it will flow through the meter in an amount greater than the specs above.

The above method can be used on any circuit in the car.
 
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