sorry to ping you @9297oldram but you helped me so much to get the truck running so I was wondering if you had any insight into the problems I have now? if not its fine
thanks for the response man. Is the only way to check the fuel tank module by dropping the tank?The fuel tank module has a adjustable slide and the screws do come loose, you might want to check that because the module might not be sitting on the the bottom like it's supposed to.
Check your vacuum it should be around 25hg's.. there is a low vacuum switch behind the left hood hinge the rubber line could have fallen off.
That hot cylinder is the light around the ignition switch so you can see where the key goes in the dark.
Most will put aftermarket gauges in, a fuel presser gauge is a important troubleshooting gauge. 15 psi is all you need.
Ok I’ll probably go get a replacement oil pressure sending unit from napa today. Along with a mechanical oil pressure gauge.The oil pressure sending units do go bad.
If your fuel tank is full i'd just jack up the bed drivers side, and loosen the passenger side bolts enough to allow movement to raise the drivers side and also disconnect the fill tube.
Ok great info. Where are the dash grounds? Sorry i am still learning all about this stuff.First thing that comes to mind is check the dash ground, and make sure the cluster is plugged in (those round pins get lightly corroded from sitting). Everything you describe indicates a dash ground issue...
Good call i think you’re right about that. There is so many unplugged plugs that i have no idea what they are for. the wiring on this thing is a nightmareThat red and black wire doesn't look Factory to me, looks like maybe CB wires or some other accessories he might have added.
Ok great to hear. Once it stops raining here i’ll get out there and mess with the VSS first and see if it’s functioning or just dirty connections. I’ll update again with my next findings. Thanks again for all the advice oldramThe VSS assembly and wiring is the issue alot on these older Dodges. Also the sppedo gears are know to break in the dash cluster.
Gotcha. And i can use the speedometer app on the iphone if absolutely necessary. I haven’t even drove past i’m guessing about 15-20mph just down my little dead end road just to test it. Brakes aren’t great so didn’t wanna go too fast. When I check out the VSS and clean up the area i’ll update you with my findings.If it has the metal gearbox looking thing at the trans those can go bad.
I think it’s electronic because there was only electrical connections connecting to the cluster from what i could tell. But don’t quote me on that. I’m not even sure what a mechanical cable would look like tbh.Is yours a mechanical cable or electronic with wires to the dash?
Good to know. Told my wife today i’m not putting it back out on the road without new tires.Trash and mangle your fenders, and inner fenders. Ever see a car tire explode? Steel belts tear the snot out of everything they touch.
I've blown car tires, and big truck tires.
Good to know. So either everything in the cluster has good power and ground besides the speedo and odometer, or the gears are fried in those. The process of replacing those doesn’t seem very fun. I’ve done it in a VW cabrio before and was hoping to never have to do it again haha.From my understanding, by the time the Cummins was introduced, the cable-driven clusters were not used. I believe they started phasing them in around 88, by 89 they were all electric.
would the ground just be one of the 2 wires that go to the VSS?You might try finding the ground wire for the VSS and ground it and see if the speedometer works.
The wipers could be a bad fusible link.