Jerry Weller Posted July 16, 2016 Share Posted July 16, 2016 Need positive ground 12volt fuel gauge and matching sending unit. Quote Link to comment Share on other sites More sharing options...
kscarbel2 Posted July 16, 2016 Share Posted July 16, 2016 Jerry, is this gauge for a Mack? An R/U/DM? If so, when you contacted Watts Mack (provider of the BMT website) for a 9MT36P2 positive ground fuel gauge, what did they say? The sending unit depends on whether your R/U/DM has a rectangular tank (16MB48P10) or round tank (16MB48P12). 1-888-304-6225 http://www.wattsmack.com/parts-department/ Quote Link to comment Share on other sites More sharing options...
Jerry Weller Posted July 17, 2016 Author Share Posted July 17, 2016 Truck is1969 MackDM607Ss ,looking for something used,nothing fancy. Quote Link to comment Share on other sites More sharing options...
cf685f Posted July 18, 2016 Share Posted July 18, 2016 You can just reverse the float and it will work on a positive ground...I do it all the time on old firetrucks I restore. Quote Link to comment Share on other sites More sharing options...
kscarbel2 Posted July 18, 2016 Share Posted July 18, 2016 On 7/17/2016 at 9:02 AM, Jerry Weller said: Truck is1969 MackDM607Ss ,looking for something used,nothing fancy. Okay Jerry, you have a DM with a rectangular fuel tank. When you contacted Watts Mack (provider of the BMT website) for a 9MT36P2 positive ground fuel gauge and 16MB48P10 fuel tank sending unit, what did they say? 1-888-304-6225 http://www.wattsmack.com/parts-department/ Quote Link to comment Share on other sites More sharing options...
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