David Jenkins
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| posted on 28/2/10 at 10:48 AM |
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Earthing point - looking for suggestions/solutions
On the back of my plywood dash I have a number of wires that make an earth/chassis connection via spade terminals. I started off with just 1 or 2, so
using a piggy-back terminal was OK (-ish). Now I have 3 or 4, and want to add another, I'm looking for a better way to do it!
So - does anyone know of anything that has a number of spade terminals all connected together? A sort of 'bus bar' where I can connect
one big fat earth wire at one end, and connect the various wires via standard spade terminals?
I've seen one that uses screw terminals (from VWP)
But I want 1/4" spade connectors, not screw terminals...
This one's getting closer, but I want 'all connected'.
[Edited on 28/2/10 by David Jenkins]
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Steve G
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| posted on 28/2/10 at 10:51 AM |
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I've always bunched earth wires together and fitted a suitably large ring connector to go straight to the chassis.
I wouldnt piggy-back earth's at all, as you're potentially putting a lot of current through a single wire and introducing potential dodgy
connections. Keep it as simple as possible and you should find your wiring is more reliable.
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SPYDER
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| posted on 28/2/10 at 10:52 AM |
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Also from VWP.
Two thirds of the way down the page. Code SBH.
Geoff.
linky
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RichardK
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| posted on 28/2/10 at 10:58 AM |
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David, couldn't you use the 2nd one in your post and use a washer in the middle with little tabs on connecting each side as this will be used to
mount the thing any way?
-O-
Cheers
Rich
[Edited on 28/2/10 by RichardK]
Gallery updated 11/01/2011
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David Jenkins
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| posted on 28/2/10 at 11:02 AM |
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quote:
Originally posted by SPYDER
Also from VWP.
Two thirds of the way down the page. Code SBH.
Geoff.
linky
Ha!
Didn't spot that lot... I could either use a couple of those, or solder some of the other tabs in that section onto a metal strip...
...that'll do nicely. 
(Once again, the forum finds an answer within 5 minutes!  )
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big_wasa
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| posted on 28/2/10 at 11:19 AM |
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I used a bit of copper 1/4" plate and drilled and taped it with a matrix of holes. A machine screw through from the back then a lock nut to
hold the ring terminal down.
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Bluemoon
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| posted on 28/2/10 at 12:58 PM |
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I have a long brass bolt though chassis.. All earths got to a ring terminations and are bolted to this point (but most of the car has seperate earths
as using standard seirra loom).
Dan
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David Jenkins
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| posted on 28/2/10 at 01:36 PM |
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quote:
Originally posted by Bluemoon
I have a long brass bolt though chassis.
Unfortunately that doesn't work with a plywood dashboard! 
I just have a fat wire coming from an earthing point on the metal scuttle - I was just trying to find the best way to share that around (now solved, I
reckon).
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BenB
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| posted on 28/2/10 at 01:37 PM |
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How's about this from Screwfix. Cheap as chips
http://www.screwfix.com/prods/11385/Electrical-Supplies/Earthing/8-Way-Earth-Block
EDITED TO SAY- really should learn to read one of these days, didn't see the bit where you want spade terminals
[Edited on 28/2/10 by BenB]
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RK
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| posted on 28/2/10 at 02:24 PM |
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I have a couple of that type myself, and a lot of things just screwed into the chassis elsewhere (lights for example). I had the "bundle them
all together" thing going but it got too unwieldy.
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Peteff
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| posted on 28/2/10 at 02:37 PM |
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Put some male spade terminals into the screw terminal block and tighten the screw down on the crimp part. Now put female terminals on the wire and
push them onto the males.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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David Jenkins
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| posted on 28/2/10 at 03:13 PM |
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Got myself sorted by ordering one of these beasties from AutoSparks:
It's a bit of future-proofing - I can tidy up a few things with that, not just the earth connections.
(I was going to but one of those things from VWP, but after adding some thinwall cable as well, I found that the P&P they wanted was almost more
than the goods. It worked out as goods = £4-something, P&P = £3.95 - total bill £11-odd. Got pretty much the same thing from AutoSparks for
£5.90)
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Bluemoon
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| posted on 28/2/10 at 04:17 PM |
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quote:
Originally posted by David Jenkins
quote:
Originally posted by Bluemoon
I have a long brass bolt though chassis.
Unfortunately that doesn't work with a plywood dashboard!
I just have a fat wire coming from an earthing point on the metal scuttle - I was just trying to find the best way to share that around (now solved, I
reckon).
You can still use a bolt though to "star" earth from, like you say then have one fat wire back to the chassis/battery. As the plywood is
isolated this would work well (i.e attach bolt with a two penny washers and a nut).. just add vaseline on the ring connetors/bolt to stop corrosion
though..
Cost == free as had brass bolts/washers..
[Edited on 28/2/10 by Bluemoon]
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907
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| posted on 28/2/10 at 04:43 PM |
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Long strip of stainless screwed to the plywood, tapped m4 every 100mm,
with a big fat wire on the end to fix to the chassis?
Paul G
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tigerzetec
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| posted on 28/2/10 at 04:58 PM |
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Hi Dave, Just seen your post......I see you have something now, but i could have helped you out with something similar for free. I have lots of
electrical/electronic bits in my garage loft. Some of it will probably never get used. Only in the next village, so easy to have a look if i have
something you want.
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