Got another dumb question for you lol. I’m doing a wire tuck right now and need to make some new grounds. I’ll attach a pic below, it’s the starter solenoid screws and a ground cable. Can I just use self tapping screws to mount them and will that be a good enough ground? Or do I have to grind the chassis down to bare metal?That is correct. Clean the threads with a tap and you will be good to go.
Ok will do, so after I grind the metal down and hook everything up, I can just apply that gel over the starter solenoid screw areas and the other ground loop and that alone will keep it from rusting?I think you already know the answer. The better your ground and 12V+ connections the better the electrical system will work. If you are contemplating using one of the self-tapping screws that will mount the solenoid I would not advise using it unless it is going into metal thicker than a single layer of sheet metal. The connection needs to be tight and secure so think some kind of locking washer so the connection does not back off. I will usually put the ground loop on the bolt or screw last with a flat washer before it and a lock washer between the screw or bolt head and the flat washer. You want the ground wire loop on bare metal so the connection to the body/chassis is as good as it can get. After you tighten the screw or bolt down I would suggest you use something like NO-OX gel to keep the connection from corroding.
Just remember to install the shrink wrap before you crimp the connector......I had to lengthen the coil wires on my last swap. The easiest way is simply cut the wires a couple inches past the connector, remove the connector then splice them back together. You'll want to splice them together properly though. Those are two critical wires. I took a couple pics on how to correctly crimp and splice. Firstly, use uninsulated butt connectors. Absent that, you can use the cheap colored insulated connectors, just remove the colored insulators.......
Next, fold one side of the connector over the wire and crimp........
Then fold the other side over that and crimp........
Then as a safety precaution, add a dap of solder and wrap it with a single layer of electrical tape (I like Scotch #88)......
Then finalize it with a length of 3/16" shrink tubing.......
Now with just a little bit of effort, you have a professional, quality connection that'll last a lifetime. All the ground wires in my last post were done this way and I've been doing this for years on all my projects. Never had a connection fail!
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