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FAQ

I know what spark plugs are and where they are... but not sure what is meant by wires...For example checking/replacing spark plugs and wires to see if a problem is fixed..Are wires what hookup to the spark plugs from the (distributor?)

You have it right - it's the wires that go from the distributor cap to the spark plugs and to the coil.

How could you relate greater wire length resulting in greater resistivity to the context of home

Greater wire length will certainly give you a higher resistance. Since heat is measured in watts, and watts (W) =I^2R, where I=Current and R= resistance, then if you double the resistance of a wire (by making it twice as long) you also double the ammount of watts lost in the wire. Since watts equates to heat, this ammount of heat will make the wire hotter. If you use an extension lead, and wind it round a drum, it can get very hot indeed.

i got a fi bl 15dual 2 subwoofer. im wiring it down to 1 ohm.now for the problem. lets say im wiring the positive terminals together. am i suppose to wire it all with positive wire or can i also use negative copper wire? i used two positive wires and one negative wire to hook up the three positive terminals. is this bad? do i need to make all of them positive silver wires?

ok well either red or + is positive and black or - is negitive, the problem i have is you said you had 3 positives and one negitive on a dual coil sub,?? if you mean you ran all 3 wires to your amp then its wrong, if you mean you ran 1 wire to your positive,1 wire to your negative, and 1 wire from the other positive and negative together, then you have gone up to 4ohm and not down to 1, you should have 2 positives and 2 negatives, hooked together to make 1 positive and 1 negative as for the wire colors, they sometimes differ so you can tell them apart, providing your the one who screwed them to the amp, i run mine copper positive and silver negative, but each to there own.

I have eight speaker wires, I can figure that out on my own. I also have a red/blue stripe, black/red stripe, black/white stripe, and blue. Which ones are the power wires?

you will need a DVM, to find what is what. Check the fuse box, and make sure the fuse is good, and search for the constant power.Set the meter to 20V. I like to stick the ground on my meter, in the ignition where the key goes. Then find the switched, key on wire. obviously, you'll have to move the ground on the meter for that. Don't forget to solder and use heat shrink tubing, or red and blue butt connectors, and heat shrink, or tape them well. Then set the meter to ohms, or the omega pic on the meter. once you find a resistance for each speaker, pop it with a 9V battery, not a AA, as both terminals are on top. then when you hear which speaker pops, wire it accordingly. Good Luck!

alright i have a 1994 ford ranger XLT, it has a 4cyl and is a stick shift. i need to know which wire goes where from my O2 sensor. i know there is a positive, negative, heater wire, and the wire that goes to the computer. if anyone could tell me what each wire is and what the color of each is?

I know you're looking for very specific information, but I think you might be better off getting a service manual or at least a wiring diagram of the car. Some info is very VIN specific. This may not be, but it could be. Any answer you get could be unintentionally wrong, an cause you no end of headaches as you get mystery problems after you apply the wrong info. It happens.

I have a grounding wire for my HIDs which I need to increase the length for. How do I do this?

Get a length of wire the same gauge or larger than the original wire. Solder the wire to the old wire and run it to a good ground. If you can't get it soldered a crimp connector will work,but not a good idea under the hood of a car, temporary at best

What are the basic characteristics of wire resistance strain gages?

The resistance value of the components size and temperature, material, length and cross-sectional area, the measure of the size of the resistance is affected by temperature is the temperature coefficient of resistance value, which is defined as the percentage change in temperature rise every 1 degrees. The main physical characteristic of resistance is that the electric energy is heat, and it is also a component of energy dissipation. Resistance usually acts as a divider and shunt in a circuit. For signals, AC and DC signals can be passed through resistors.

There is a circuit with a battery connected to two wires in parallel. Both wires are made of the same material and are of the same length, but the diameter of wire A is twice the diameter of wire B. Answer true or false for the following questionsThe curent through the battery is five times larger than the current through wire B.The power dissipated in wire A is 16 times the power dissipated in wire B.The voltage drop across wire B is larger than the voltage drop across wire A.The resistance of wire B is four times as large as the resistance of wire A.The resistance of wire B is twice as large as the resistance of wire A.

***EDIT - CORRECTION*** Thanks Bill (the other Bill) it helps to put numbers on it. ******************** If I understand your question: The curent through the battery is five times larger than the current through wire B. **TRUE** Because: Current A is four times current B. Total current = A+B, or 4+1=5 The power dissipated in wire A is 16 times the power dissipated in wire B. ***FALSE*** (EDIT - I was wrong the first time) Because: Power = VxA The voltage drop across wire B is larger than the voltage drop across wire A. **FALSE** Because: If two wires are parallel voltage is same at ends (Beginning point of A and B is the same poin, ending point of A and B is the same point). The resistance of wire B is four times as large as the resistance of wire A. **TRUE** Because: Resistance inversely proportional to square of wire diameter. The resistance of wire B is twice as large as the resistance of wire A. **FALSE** Because: Resistance inversely proportional to square of wire diameter. Also check out web site shown below. Let me know if this helps Bill