Refreshing Grounds Procedure?
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Refreshing Grounds Procedure?
Does anyone know of a good writeup on refreshing grounds on an OBS 1996 (5.8 E40D)? I just searched YouTube and didn't find it (though I did find it for other vehicles, so it's a "thing."
It's just hard to know where all the grounds are, especially smaller ones or ones that are hidden within other things. Sure, I can go around and do what I can do (and I've already done the big ones that are very obvious, and I keep them pretty clean). But I'm sure there's some I'm missing.
Particularly anything related to the computer. I have a hypothesis that my ground wire that returns/grounds the powered signals from the RABS module to the computer is bad. I'd love to start there but I don't see the frame ground for that circuit. (Of course it could be the smaller wires, but I'll start with the big stuff/corrosion before I start splicing in new frame grounds chasing after a hypothesis.)
Thanks!
It's just hard to know where all the grounds are, especially smaller ones or ones that are hidden within other things. Sure, I can go around and do what I can do (and I've already done the big ones that are very obvious, and I keep them pretty clean). But I'm sure there's some I'm missing.
Particularly anything related to the computer. I have a hypothesis that my ground wire that returns/grounds the powered signals from the RABS module to the computer is bad. I'd love to start there but I don't see the frame ground for that circuit. (Of course it could be the smaller wires, but I'll start with the big stuff/corrosion before I start splicing in new frame grounds chasing after a hypothesis.)
Thanks!
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Tuned
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Some helpful info here: Grounds
Last edited by wannabuyaford; Nov 10, 2025 at 12:33 AM. Reason: typo
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The ground points are the same for a 1992 versus a 1996. What was different for your truck versus the referenced truck in the link I posted?
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I do not believe the F250HD and F350 had an air bag. Only the light duty F250, F150 and Bronco got them.
I do not agree:
1992 RABS 42-1 Diagram is the first diagram. The second is for a 1996 model year F-Series truck.
I do not agree:
1992 RABS 42-1 Diagram is the first diagram. The second is for a 1996 model year F-Series truck.
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I cant remember what the "S" stands for.
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Unless I am not understanding? Could be. I'm not smart.