# My fence tester reads 2.1 volts is this enough to keep cattle in pasture

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Posted on Jan 02, 2017

SOURCE: brake light voltage

12 to 13.5 volts

Posted on Mar 18, 2010

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Tip

### Battery Testing

Batteries can be measured with a volt meter, this usually gives a reading in volts such as 11.5 or 12.0. The voltage reading will not indicate battery condition.

All electrical requirements are established in amperes. Amperage of a battery can not be determined with a volt meter. The battery is a storage of amperage, however in order to measure this amperage it must be on the move, meaning operating something that requires power.

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COIL ON DISTRIBUTOR MAY BE SHORTED...

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USE A OHMMETER, CHECK THE RESISTANCE BETWEEN THE SIDE TERMINALS OF THE COIL, DISCONNECTED. YOU SHOULD SEE 0.75 TO 0.81 RESISTANCE. THEN CHECK THE RESISTANCE BETWEEN EITHER SIDE TERMINAL AND THE CENTER HIGH TENSION TERMINAL. THE READING SHOULD BE 10,000 TO 11,000 OHMS. ANY SIGNIFICANT DEVIATION FROM THESE NUMBERS WOULD INDICATE THE COIL COULD BE DEFECTIVE.

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