The part of an electrical circuit after the load device and continuing back to the voltage source.
Questions tagged [ground]
32 questions
5
votes
1 answer
What would be the need for more than 2 ground wires in any car, truck, suv, van?
With the understanding that most all vehicles have at least 2 grounds wires, what items would add to the list of minimum requirements for a safe grounding system. An 'item' is defined as an object needing a dedicated ground. I have seen as many as 3…
user16540
4
votes
3 answers
Why no common ground for two 12v deep cycle marine batteries connected in series?
My trolling motor instructions advise that a common ground MUST be established for connecting the trolling motor either to one 12 volt marine battery or to two 12 volt deep cycle marine batteries connected in parallel. This is to prevent corrosion,…
David Dunn
4
votes
4 answers
Why do I connect the positive and the negative to the battery on a boat?
My trolling motor for my boat has a black and a red connection. The red goes to the positive on the 12 volt battery. The black goes to the negative on the 12 volt battery. Could I connect the black to the giant metal boat I am driving, and then…
USER_8675309
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3
votes
1 answer
Correct gauge of wire for earth/ground
One of my ground cables, which links the battery to the gearbox has snapped. I used a caliper to measure the diameter of the wire, and it is approximately 6mm in diameter (so i calculated this to be approx 28mm² surface area).
I can only source…
james246
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3
votes
0 answers
Pickup runs only with the ground wire removed
My 2006 Ford F150 would not start and the lights flashed in the dash when I tried to start it. I removed the starter which is only 4 months old, it bench tested as perfect. I removed the battery which is only 10 months old and took it to a shop to…
Ted
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3
votes
1 answer
Dodge w150 318 727 torqueflite; need help with wiring
We just got done putting motor back in but a ground wire from the head to the fire wall keeps getting hot and smoking (steel braided wire) we've been all over this thing and cant find out our problem
colby
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2
votes
1 answer
What does this ground cable connect to?
so i was filming for youtube and came across this random ground wire that wasn't bolted to anything, it's on a '99 jeep wrangler TJ, any of y'all know where this goes?
WhiplashGamz
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2
votes
2 answers
To ground or not To ground
Sure most cars have neg earth chassis return .Boats have single point ground so there are no hull currents to cause electrolytic corrosion .My question is about busses .They have been known to have isolated starter motors and isolated alternators…
Autistic
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2
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1 answer
Meaning of green ground symbols in Body and Equipment Mounting Manual ground point documentation
The Ford Transit Body and Equipment Mounting Manual documents ground points in a set of diagrams and tables starting in section 4.20.1 on page 211. While most of the ground points illustrated in the diagram are coloured black, a few are green. The…
intuited
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2
votes
1 answer
Battery Drain Immediatly
So, I am currently putting in a finalized sound system in a 1998 C5 corvette.
I finally put the whole thing together( 4 speakers, hooked to an Alpine amp with RCAs. And a amp included sub box, the basic Dual box.
It took me all day and I finally got…
Nick Ted
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2
votes
4 answers
Why are multiple grounds in the engine bay/engine important?
On certain cars (perhaps even most? all?), such as the old Toyota MR2 turbo, there are multiple ground points. Some of them are described with pictures here: http://www.mr2oc.com/59-general-mk2-faq-newbie-center/408099-engine-bay-ground-pics.html
I…
AlphaCentauri
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2
votes
2 answers
Truck Cap Lighting and Wiring - Can I splice two ground wires together, connect to one ground?
I have a new truck bed cap. I need to wire the cap's dome light and third brake light. As such, the cap has four wires (supply to dome, ground from dome, supply to brake light, ground from brake light).
I plan to power the lights from the tail light…
jpozz
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vote
1 answer
2015 Ford Fusion in limp mode
2015 Ford Fusion in limp mode
I recently purchased a 2015 Fusion that had a P0141 O2 sensor error, car ran fine. Then, my daughter was driving it and it went into limp mode. Hooking it up to my code reader, this is what I saw :
Cleared the codes…
asp316
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1
vote
1 answer
Hella 450 foglights not working, possible ground issues?
Trying to diagnose where I went wrong in wiring my Hella 450s in my 1992 Toyota Camry LE:
Lights themselves are grounded to the bolts on the front fenders, new 10mm steel bolts with copper washers, used a wire brush to clean off the paint down to…
StageNinja21
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1
vote
1 answer
How common is it to have poor ground when jump starting a vehicle?
Today I investigated whether a li-ion jump starter could work for my car. It's a hybrid vehicle and the battery is in the trunk (which can't be opened if the battery is flat). Under the hood, there's only a single positive terminal. The idea is…
juhist
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