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5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

Could Somebody Tell Me What This Is?

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Old Apr 22, 2007 | 11:03 AM
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Carl's Avatar
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Default Could Somebody Tell Me What This Is?
It sits on my drivers side, right behind the fuse box. A plug with three wires comes out of it, along with a hose out the top.
Any help on this one?
Thanks
 
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Old Apr 22, 2007 | 11:36 AM
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Thought you might get a quicker answer in the 1st Generation area.
 
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Old Sep 26, 2007 | 10:50 PM
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that is your vacuum warning sensor, if vacuum for your power booster would ever fail it will turn a light on in the dash. unplug the vacuum line, turn key on, brake light should show.

scot
 
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Old Sep 26, 2007 | 11:11 PM
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That's a good one to know about since that is such a common problem. Do you know what years this is applicable to. Just curious if it still holds true for the 2nd gens to.
 
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Old Sep 27, 2007 | 11:18 PM
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came on 94-96, they had break power booster, after 96 they went to hydo boost

scot
 
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Old Sep 28, 2007 | 01:00 AM
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Thanks Scot
 
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