cde
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When jumpstarting a car from another car can one connect the chassis of one car to the chassis of the other car?
5 votes

In theory it will work. In practice, it will also work. Yes there is extra resistance as you have increased the path to ground. In a perfect system each ground would be equal, but it is not a perfect ...

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How to wire a glow plug?
Accepted answer
5 votes

A glow plug is essentially an intentional short circuit that heats up a wire and ignites whatever fuel is in or connected to the glow plug. Polarity rarely matters in this. But typically, the ...

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Does the Toyota Prius stop if driven off without the key inside?
Accepted answer
5 votes

No, it will not stop mid-ride. It will warn you the key is no longer in the car, but as long as you don't turn it off, it will keep running until you run out of gas or the car battery dies. It would ...

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How do cigarette lighter splitters work?
4 votes

Typical auto cigarette splitters are simply three connectors in parallel. Nothing but wire and the connectors. Zero circuitry aside from maybe the fuse. The 8A is shared between the three. Hopefully ...

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What gauge wire should I use for adding USB ports to my car?
4 votes

Wiring a usb port directly to a cars 12V wire will fry a usb device. Never do this. If you want to do this, you should go with a 12v to 5V regulator. Preferably, a dedicated car usb charger. Then you ...

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Aluminum Foil Quick Fix re: Keyless Remote System (or If It Ain't Broke Should I Fix It?)
3 votes

how do I know the foil's constant touching of the contacts on the motherboard isn't "invisibly" running down the battery, or doing something else that will damage the fob? You don't. A half assed ...

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Why did my fuses blow in my setup?
3 votes

If you wired it as you say, as the wiring diagram on the Amazon page shows, it should work. That's the correct wiring for that setup. The issue is that you got a wiring kit that says it handles 180W ...

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Why do LEDs go out on (boat) trailer tail-lights?
3 votes

More than likely, the leds in the light assembly are being over driven for reasonable light output. Typical 5mm and smaller leds, including the typical 5050 or 0805 SMD leds used in these assemblies ...

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Charging batteries thru cigarette lighter
3 votes

Depends on make and model. Some cars come with cigarette/accessory power outlets that are keyed, some come with outlets that are always on, and some have both. Keyed outlets switch on and off with ...

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Would leaving a battery booster with only one terminal connected harm it or the battery?
2 votes

Paul explained the safety reasons, but not the usage issue. Deep draining a regular battery will kill it, as would over charging or over volting. The smaller batteries in your boosters too. So will ...

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Car 12V Problem
1 votes

Your front outlet is tied into a switched power line. The rear one isnt (surprisingly). You can, with some spare wire and a "add a fuse", rewire the circuit at your fuse box. This would be easier with ...

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Switch in Nissan Caravan
1 votes

The first looks like a valet or kill switch for an after market alarm system. Look for a black box under the dash somewhere or a non oem led indicating alarm. The second is, based on the logo. For ...

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Wiring Relay & Horn on Golf Cart
1 votes

The relay has two independent NO contacts. Doesn't matter which is used. Also, the specific wiring locations of the horn and switch don't matter either, but this is the general idea.

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