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For questions about the wiring of a car(apparatus that connects electrical circuits).

1 vote

How to handle connecting multiple ground wires?

I would have an earth point on each side of the vehicle, which would reduce the number of wires on one point. I would also consider running a heavier gauge wire from the earth point into one of the l …
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1 vote

troubleshoot a shorted trailer wire

I would start by replacing the fuse with a bulb: an 21W indicator bulb is usually sufficient. Mount it so you can see it when working on the trailer. Then, in your case I would proceed as follows: 1 …
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1 vote

2017 Dodge Journey

If the opening in the dash is sufficiently large, then it will be a straight swap, assuming that the wiring is "standard". Most ICE have adaptor harnesses available to match the ICE to a vehicle. …
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0 votes

Ground Loop Fuel gauge

Fuel and temperature gauges on old cars using variable resistance senders need a voltage stabiliser in the supply.
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1 vote

How to troubleshoot a specific trailer brake light issue

Well, if it was me, I would disconnect all of them and identify the supply wires for brakes, marker etc Then I would terminate all the wires with ring connectors and put them on the pins in order - w …
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1 vote

When to use chassis and when to wire to battery neutral?

I would use the chassis for the ground and the added 4AWG (or larger) wire with a suitable fuse (with a switch if necessary) for the supply to the inverter or other high-load device.
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1 vote

Can I ground an amplifier on a bolt that touches the chassis or does my ground need to touch...

That, as an earth or ground, should be sufficient as long as there is metal to metal contact, ie the paint is removed. Try testing a direct earth to the battery with a long cable, if there is no chang …
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0 votes

2007 Mercury Montego V6, Need to test the alternator output independent of the wiring harnes...

You need to know how the alternator is controlled - either its regulator will be internal or external - even included as part of the engine ecu. Easy enough to bench spin it with an electric motor and …
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0 votes

Need Help Wiring Turn Signal Indicators

Need the diagram. But one method might be to put the warning light between the left and right indicator wires. A method used on many cars and the low power of the warning light (2W) compared to the 21 …
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2 votes

Can stock headlight wiring deal with 110 W bulbs?

So you can use the existing wiring to drive a relay(s) fed via a fuse directly from the battery - a neat solution and no problems. …
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1 vote

One car speaker problem

Also, you can get some speaker wire directly from the radio to the speaker - if it works fine one possibility is the speaker wiring is damaged in the joint between car body and door. …
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5 votes

40amp protection on 25amp rated wiring?

I would suggest that you should find the source of the fault - probably in the wiring as you suggest as it could get worse and cause a fire (not the best thing in dense traffic with no place to go). …
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3 votes

Ground wires for a 1992 Ford Ranger with a 2.3 engine

The ground wire will usually run from the battery to the chassis and then onto the engine. Some vehicles will do this with one single length - which is what yours sounds like and others will have sep …
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1 vote

2014 Jeep Cherokee Wiring harness ground to a 12v power outlet

Well, you could do, but the risk is that the ground is only large enough for the power socket capacity 5A or 10A. I, personally, would provide a ground to a suitable earth or ground point, even the s …
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1 vote

Starting an automatic for the lazy mechanic

We used to use the "push button" from a Commer van connected to the battery plus and the starter solenoid... That was a Lucas part (Prince of Darkness... :)) and capable of supplying the older soleno …
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