No power to speedo

Energy One
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Rockyl32

Member
After a little while of the speedo starting up then going blank now I have no power to the speedo at all. I tried a different speedo to see if it would act differently but still nothing. Is there a fusable link or something I can get to? This is a 2003 Mastiff all other electronics working fine.
 
Doggin it

Doggin it

Active Member
Mine is a 02 pitbull and my connector came off under the speedo. It was lose at first and would work on and off. It sounds like you already tried connecting a different one. I don't think it would work anyways . Might be time for a Dakota Digital from one of the vendors on here
 
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Rockyl32

Member
Thanx for the reply Doggin it it does not appear at this point to be a problem with the speedo, I don't seem to be getting power to the speedo. I followed the wires to the ecm. I am hopin this is not an ecm problem since everything else is working fine.
 
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Rockyl32

Member
Speed sensor

Ok I have got to the point that when I plug in the speedo with the wire marked
"Speed sensor" unplugged I get power to the speedo. When I plug the speed sensor wire back in, speedo goes dark. If anyone has any suggestions I sure could use the help 2003 Mastiff. At this point I have both the stock speedometer and a Dakota
 
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Rockyl32

Member
Thank you Kaptin. That' makes sense. Do you know what voltage should be going to the speed sensor? When I turn on the ignition and put a voltmeter to the connector coming out of the EHC I get around 0.7, is that right or should it be 12?
Thank you so much for the help
 
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Rockyl32

Member
Ordered the speed sensor. A vendor that takes the time to help is a company I want to do business with! Thank you
 
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