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Old 10-30-2019, 12:10 PM
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Dash Negative Power Block Strip

Hey guys,

I have about 4 or 5 of my ground wires under the dash screwed with the same stainless screw under the kick panel. It would probably be fine but I would like to neaten it up with something better. I was thinking of a small negative distribution bus bar. But figured I would ask you guys for suggestions first. I'm looking for something small for a small amount of wires and that will fit under the kick panel.

What do you recommend? Thanks

Dave

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Old 10-30-2019, 01:21 PM
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Grounding bus

I've used one of these successfully.

https://www.ebay.com/itm/Bocatech-BT...cAAOSwiSVcNkOV

If the link doesn't work, just search for grounding bus bar on ebay.
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Old 10-30-2019, 03:07 PM
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Great thanks
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Old 10-30-2019, 04:49 PM
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I get a piece of 1/8"12-14 flat bar copper at a scrap yard.
Drill 8-10 1/4" holes. Plus one or two 1/2" on the ends. Insert bolts into those holes, then nuts on the other side. Tighten them all down super tight leaving 1" of threads. Your not removing these.
Drill two 3/8" holes into your firewall etc for mounting it. Slide 2" bolts through the firewall holes tighting them down with one nut super tight(not removing these) then adding a second nut to the bolt for spacing. The second nut holds your main ground wire. Use a washer(s) on the other side so it is even. Tighten these down tight as your not removing them.

You put all your grounds on ring terminals so they slide over the smaller studs.

From here you can go 2 ways. You can have your grounding bar fixed and use smaller wingnuts to tighten down the ring terminal grounds.

Or extend your wiring around 3 foot per wire into a large umbilical of wires. That has the ring terminals bolted to the bar with nuts.
You then mount the bar using large wing nuts which allows you to get your paw up there and drop the entire bar down for easy maintance.

Both of these use wingnuts in some form so your minimizing the time messing around on your back trying to tighten/loosen a stripped out screw that you can not reach without pulling out the radio etc.

I run a similar setup with an internal positive bar. Of course the firewall mounts are isolated via some hose and nylon washers. But the setup is the same.

I generally use the umbilical with cars. Most trucks have enough room to use wingnuts on the terminals.
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Old 10-31-2019, 08:07 AM
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I guess it depends on if you want to fabricate your own like Cerial outlined, or purchase one. I've had very good results with using products from CE Auto Electric.

https://ceautoelectricsupply.com/ind...ing-solutions/
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Old 10-31-2019, 09:04 AM
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Here's another source:

https://www.wiringproducts.com/power...ibution-blocks
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