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Post by horen2tas on Apr 3, 2012 22:25:39 GMT -5
Someone not to long ago gave sources for a ground set up that was like a terminal block that allowed a lot of connections to one block that was fed by a heavy line from ground.
I'm starting to have intermittent electrical problems. I'm seeing that the P.O. twisted a bunch of wires together and then soldered one wire on to that and ran it down to the chassis it looks like they're starting to come apart here and there so I'd like to take care of it piece by piece.
I also am suspicious of some of the rocker switches on the dash, there's an outfit in the UK that has them, but has anyone found a good U.S. source?
Any help/ advice would be appreciated.
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Post by dawgdk on Apr 4, 2012 9:42:30 GMT -5
Check with MJ, I think it was his car that's done that way.
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Post by jspbtown on Apr 4, 2012 12:23:34 GMT -5
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Post by horen2tas on Apr 4, 2012 22:13:22 GMT -5
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Post by mj on Apr 13, 2012 12:42:58 GMT -5
A few years ago I posted that I used a #2 welding cable that is bolted to the front ground , then it runs behind the dash, and then to the transmission and engine through the heater channel. Wherever I wanted ground, I tapped into the cable and used connection blocks. It is important to ground the transmission and engine independently, although a lot of people just put a cable between them, and ground the transmission. See jspbtown's setup. It is beautiful. Another thing I did was to rewire the instruments, everything behind the dash. The original wiring was horrible there, wires daisy-chained in series between instruments so that when one connection failed, other instruments would fail. It was worth the trouble. Welding cable: store.weldingdepot.com/pdf/weldingcable.pdfOriginal switches: www.bradleygt2.com/cat/catalog.php?auto=gt2 |
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Post by horen2tas on Apr 14, 2012 21:18:54 GMT -5
A few years ago I posted that I used a #2 welding cable that is bolted to the front ground , then it runs behind the dash, and then to the transmission and engine through the heater channel. Wherever I wanted ground, I tapped into the cable and used connection blocks. It is important to ground the transmission and engine independently, although a lot of people just put a cable between them, and ground the transmission. See jspbtown's setup. It is beautiful. Another thing I did was to rewire the instruments, everything behind the dash. The original wiring was horrible there, wires daisy-chained in series between instruments so that when one connection failed, other instruments would fail. It was worth the trouble. Welding cable: store.weldingdepot.com/pdf/weldingcable.pdfOriginal switches: www.bradleygt2.com/cat/catalog.php?auto=gt2 |
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Post by horen2tas on Apr 14, 2012 21:32:00 GMT -5
MJ a few questions:
Front ground do you mean using the Frame head / chassis as the beginning point for ground?
Grounding Engine and transmission separately?
cable from engine to Chassis?
cable from transmission to chassis also?
Could you be a little more specific as to how you eliminated daisy chain
--separate ground to each instrument?
Does the negative from the battery equals ground? So wherever that attaches is the start of ground?
Excuse my stupidity but I forgot a lot of my junior high electric shop it's been more than 55 years!
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Post by mj on Apr 14, 2012 21:39:16 GMT -5
MJ a few questions: Front ground do you mean using the Frame head / chassis as the beginning point for ground? Grounding Engine and transmission separately? cable from engine to Chassis? cable from transmission to chassis also? Could you be a little more specific as to how you eliminated daisy chain --separate ground to each instrument? Does the negative from the battery equals ground? So wherever that attaches is the start of ground? Excuse my stupidity but I forgot a lot of my junior high electric shop it's been more than 55 years! jspbtown could probably explain this better, but I'll try. Warning! I've had three beers! Ground - as in joining all the parts of the vehicle that might be separated by poor conductors. I include the chassis as unreliable, but only because it is more certain to have a backbone (the #2 cable) rather than the chassis. So, the cable runs from the frame head (in my case, the contiguous structure that contains steering components, etc. The battery also grounds there. Yes, the battery ground goes to the same place, but not through the cable. Cable to the transmission by a jumper and another to the engine by another jumper to the #2 cable - or if one is more confident (and I am) just use the conventional way of putting a jumper from any sturdy, obviously direct conducting part of the transmission to the engine. That's what VW did with a ground wire that looks like the one on the battery - that woven lead lead. It works for me. Regarding the instruments, I put a distributing block on the inside of the firewall connected to the #2 cable and every instrument used that block for ground rather than chaining grounds from one instrument to another. I could have just grounded the aluminum instrument panel, but I made that later. (The original is plastic with shelf paper covering.) Oh, all wiring was screwed and soldered and plugs (male/female couplers) used conductive paste to keep things right. Overkill, perhaps. Trivia to everyone: True or False: Electricity flows from ground to positive? Don't ask the *British. They drive on the left side of the road and their earlier vehicles were positive grounded.  I suppose it is really a silly trick question but don't mess it up on your vehicle! * I lived in England and came back here decades ago so I can dis them cause I was one! |
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Post by horen2tas on Apr 14, 2012 23:45:22 GMT -5
Thanks MJ you're on a roll,
like jump down turn around pick a bale o' cotton!!!
I appreciate the help, I'm sure Steve's smilin' down!
Thanks man,
Mike horen
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Post by mj on Apr 14, 2012 23:51:57 GMT -5
Thanks MJ you're on a roll, like jump down turn around pick a bale o' cotton!!! I appreciate the help, I'm sure Steve's smilin' down! Thanks man, Mike horen I am humbled to contribute to Steve's marvelous build. Thank you. . Someday, with luck, we will both be smiling down. . Peace, my Brother, John |
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Post by horen2tas on Apr 15, 2012 17:48:29 GMT -5
MJ
Thanks so much for all the help I'm ordering the cable and I have another question--you stated"Wherever I wanted ground, I tapped into the cable and used connection blocks"
Do you have a link or a description on the connection blocks? Obviously you didn't cut the cable so I'm thinking these blocks must come in halves sort of like the grounds you see with plumbing stuff that splits to go on a pipe?
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I suppose it is really a silly trick question but don't mess it up on your vehicle!