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SportTrac Discussion
Electrical
Problems and I cant figure it out
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<blockquote data-quote="Todd Z" data-source="post: 871906" data-attributes="member: 58941"><p>Bill,</p><p></p><p></p><p></p><p>saying across the battery is just a term....</p><p></p><p></p><p></p><p>just check the voltage with the truck running with a voltmeter at the battery.....</p><p></p><p></p><p></p><p>Then you can test it at the alternator it self..</p><p></p><p></p><p></p><p>You can test the Alt on the truck using a special machine... Places like sears, and repair shops have them. IT tests the voltage regulator int he alt, its output under load, no load and the diode pattern...</p><p></p><p></p><p></p><p>ALSO just because you see 14 volts at the battery with a volt meter does not mean the diodes are good. </p><p></p><p></p><p></p><p>You can do a small load test your self, Turn ON everything, I Mean EVERYTHING in the truck with it running and then re test the voltage at the battery. it should he no lower then 12.6-7 or so.. IF you slightly rev the engine and it jumps right up, that is ok too..</p><p></p><p></p><p></p><p>There are soo many ways to test these things it can be crazy. Most people just replace things till the get it right...</p><p></p><p></p><p></p><p>Thats not my cup of tea.</p><p></p><p></p><p></p><p>Todd Z</p></blockquote><p></p>
[QUOTE="Todd Z, post: 871906, member: 58941"] Bill, saying across the battery is just a term.... just check the voltage with the truck running with a voltmeter at the battery..... Then you can test it at the alternator it self.. You can test the Alt on the truck using a special machine... Places like sears, and repair shops have them. IT tests the voltage regulator int he alt, its output under load, no load and the diode pattern... ALSO just because you see 14 volts at the battery with a volt meter does not mean the diodes are good. You can do a small load test your self, Turn ON everything, I Mean EVERYTHING in the truck with it running and then re test the voltage at the battery. it should he no lower then 12.6-7 or so.. IF you slightly rev the engine and it jumps right up, that is ok too.. There are soo many ways to test these things it can be crazy. Most people just replace things till the get it right... Thats not my cup of tea. Todd Z [/QUOTE]
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SportTrac Discussion
Electrical
Problems and I cant figure it out
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