Johnny Reb Posted April 1, 2020 Report Share Posted April 1, 2020 1. How do you access the sending unit on a Dodge B2B???? 2. Is it correct that there is one wire that goes to it?? 3. Hot wire into gauge in dash, then out to sending unit, correct? Quote Link to comment Share on other sites More sharing options...
FlashBuddy Posted April 1, 2020 Report Share Posted April 1, 2020 Remove the bench seat. I used a hammer and screwdriver to tap a wing on the cover plate counter clockwise to remove it. Didn't have the correct bung wrench. Yes, one wire that sends resistance to the guage. Quote Link to comment Share on other sites More sharing options...
ggdad1951 Posted April 1, 2020 Report Share Posted April 1, 2020 Should also be a plug in the floor you have to pop off to get to it. Quote Link to comment Share on other sites More sharing options...
Johnny Reb Posted April 1, 2020 Author Report Share Posted April 1, 2020 59 minutes ago, FlashBuddy said: Remove the bench seat. I used a hammer and screwdriver to tap a wing on the cover plate counter clockwise to remove it. Didn't have the correct bung wrench. Yes, one wire that sends resistance to the guage. TY............. 1 Quote Link to comment Share on other sites More sharing options...
FlashBuddy Posted April 1, 2020 Report Share Posted April 1, 2020 41 minutes ago, ggdad1951 said: Should also be a plug in the floor you have to pop off to get to it. Yep, missed that. Thanks! Quote Link to comment Share on other sites More sharing options...
Johnny Reb Posted April 2, 2020 Author Report Share Posted April 2, 2020 6 hours ago, FlashBuddy said: Remove the bench seat. I used a hammer and screwdriver to tap a wing on the cover plate counter clockwise to remove it. Didn't have the correct bung wrench. Yes, one wire that sends resistance to the guage. It is not positive...hot??? Quote Link to comment Share on other sites More sharing options...
FlashBuddy Posted April 2, 2020 Report Share Posted April 2, 2020 No, it measures resistance. My truck is positive ground. Don't know about yours. Did you convert to 12V? Quote Link to comment Share on other sites More sharing options...
minicooper Posted April 5, 2020 Report Share Posted April 5, 2020 I replaced mine with the 5 screw type, when I replaced the fuel tank. Before I put in a new tank, I had replaced the original unit with the lock ring type, had to soak it with pb blaster and beat the tar out of it to get it off. The new fuel tank insulates the sending unit from the tank with a rubber gasket, so I added a ground from the sending unit to frame along with the single wire to gauge. My truck is positive 6 volt. I’m not sure I needed to add the ground, but the manufacturer added one in their instructions. -roland Quote Link to comment Share on other sites More sharing options...
48Dodger Posted April 13, 2020 Report Share Posted April 13, 2020 Estrada MotorSports 1948-53 Dodge Trucks: Cab removal Clock in at 6:50 and you'll see the cover under the seat deal. 48D 1 Quote Link to comment Share on other sites More sharing options...
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