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Multiple codes on a 98 dodge ram 1500 5.9

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  #11  
Old 08-16-2010 | 10:11 PM
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verify five volts on the feed wires of the sensors it is whining about.
 
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  #12  
Old 08-17-2010 | 06:48 PM
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i testd all of the plugs an they all were within 5 volt accept for the ica which one of the wire read between 5 an 12
 
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  #13  
Old 08-17-2010 | 07:30 PM
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Follow the wire from the IAC that has voltage on it, and see where it goes. If the engine isn't running, (but the key is on) I don't think any of those should have constant power.
 
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Old 08-17-2010 | 10:10 PM
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well if thats the case two of the wires on that had power i think the other had 5 volts tho the other two came up 0
 
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Old 08-18-2010 | 01:00 PM
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Ok, seems the IAC motor is a 12 volt guy. With the engine at idle, you should see 12 volts on TWO wires. Other two wires will be ground.
 
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