Black Substance on Battery Terminals Between Frame and Tunnel

tjonesdfw

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Steel Soldiers Supporter
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Coppell, Texas
After removing the ring terminals for the radio tray power cable from the positive and ground stud terminals between the frame and the tunnel, I don't think I'm getting a good connection anymore. Both were covered in a thick black material that had skinned over like silicone on the outside, but was still wet and grease like on the inside. Does anyone know what that material is, and what kind of solvent or cleaner will remove it? Before we pulled the cable out, batteries were good, box was good, and the truck fired up just fine, but immediately after hooking it all back up, I got a fast blink wait light like I've got a bad ground or bad battery. Logic says that goop is now preventing rather than protecting a good connection on one or both of those studs.
 

royg

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Location
slc, ut
I share your experience.
I have no idea what the gunk is, or if we have the same gunk, but I used MEK on mine and it cleanup up nice.
I wonder if brake clean would dis-solve it? but that's unobtainiun around me lately.
 

tjonesdfw

Member
Steel Soldiers Supporter
75
46
18
Location
Coppell, Texas
I share your experience.
I have no idea what the gunk is, or if we have the same gunk, but I used MEK on mine and it cleanup up nice.
I wonder if brake clean would dis-solve it? but that's unobtainiun around me lately.
Thanks for the recommendation. I tried some acetone to get it off my tools and it still took alot of rubbing with a rag to get it off. It's certainly some nasty stuff and there's hardly any room to get your hands or tools up there.
 
Last edited:

Mogman

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Yes just about any solvent will work, some like MEK just work faster and with less effort, but wear gloves and eye protection with MEK or any other solvent for that matter.
 
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