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Vans Manifold Press. Sensor?

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1rv4

Joined: 11 Sep 2006
Posts: 24

Posted: Fri Apr 01, 2011 9:07 pm Post subject: Vans Manifold Press. Sensor?

Hi

   I'm working on a  friends RV6 and we have a problem with a Vans Manifold pressure gauge. When  power is applied the needle swings full scale. I'm suspecting the sensor, it has  4 wires coming from it pos,neg, and two to the instrument. If power is applied  could anyone tell me what reading I should expect between the two wires to the  instrument if I disconnect them? In the olden days I think one could have used  an Ohm meter to read the sensor, not quite sure what's in that little black box  in these modern times.

  

                            Thanks

                                  Chris

   [quote][b]

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JohnInReno

Joined: 08 Sep 2007
Posts: 150

Posted: Sat Apr 02, 2011 6:25 am Post subject: Vans Manifold Press. Sensor?

I recently went through this and also suspect the sensor. The     trouble shooting info with the new unit says that the 2 instrument     wires should have about 3 ohms. Mine was open.

     

     John Morgensen

     

     On 4/1/2011 10:02 PM, Chris Fordham wrote:     [quote]                            Hi

         I'm working               on a friends RV6 and we have a problem with a Vans               Manifold pressure gauge. When power is applied the needle               swings full scale. I'm suspecting the sensor, it has 4               wires coming from it pos,neg, and two to the instrument.               If power is applied could anyone tell me what reading I               should expect between the two wires to the instrument if I               disconnect them? In the olden days I think one could have               used an Ohm meter to read the sensor, not quite sure               what's in that little black box in these modern times.

        

                                               Thanks

                                                     Chris

        	  Quote: 	
		  

	
     [b]

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_________________
John Morgensen
RV-9A - Born on July 3, 2013
RV4 - for sale

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