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electrical wiring

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How to Build Weather Pack Connectors
Weather pack connectors started off as a Delphi product and quickly became commonplace in the automotive world. Most wiring systems use weather pack connectors in their assembly due...
How Can the Light Bulb Wiring Become Damaged?
Your car is as much electrical as it is mechanical. Wiring harnesses snake their way around the engine bay, and throughout the cabin of the vehicle. Most of your accessories run on electricity, and even...
How Often Do Spark Plug Wires Need to Be Changed?
Spark plugs provide the electricity necessary for combustion to happen by igniting atomized fuel in an engine's cylinders. However, they need a constant supply of electricity to do that. This is the job...
How to Buy a Good Quality Ignition Cable (Spark Plug Wires)
Spark plug wires connect the spark plug to what they’re creating a spark in. Whenever you are changing out your spark plugs, it’s a good idea to check on those spark plug wires to...
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Tachometers are used to let the driver know when to shift gears in a manual transmission as well as giving additional information about traction or slippage; as well as giving a quick overview...
How to Buy a Good Quality License Plate Light
Whether you are replacing a license plate light, or adding one to your vehicle to be sure that your license plate is visible in all sorts of weather, buying a good quality...
How Long Does an Ignition Cable (Spark plug wires) Last?
The ignition of a car is an essential part of a good running engine. Each time that you turn the key of your car over to crank it, the ignition wires will...
How Touch-Activated Car Door Locks Work
When small digital systems appeared in the 1980s, the car industry was quick to pick up and use them. In short order, Ford developed the first computer-controlled keypad door locking system in about 1980. A...

Related questions

Question
Hi, I have a problem with the hazard button, it does not turn on at all.
The circuit that that powers the emergency flashers (hazard lights) includes the switch, flasher unit, fuse, wiring, grounds, bulbs, bulb sockets, and sometimes a relay. Before the switch is condemned, the circuit is tested to see if power is even...
Question
Fuse box 2000 Mercury Cougar
Hi there - this sounds like a major electrical failure! Something serious enough to melt the fuse box, is a serious fire risk as well as a functional problem I would investigate the cause of the electrical short if possible...
Question
Backup light comes on when brake i depress
First, make sure the reverse lights are not just simply always on, which might signify a fault with the neutral safety switch. If indeed, illumination is only occurring with brake light illumination, check to be sure that you have the...
Question
I have a small white canister hanging in the front of my car under the hood. It appears to be hanging by wires
Hello, thank you for writing in. There are several electrical components that are cylindrical in shape. Is it hanging down under the vehicle, or is it only visible when looking into the engine compartment when the hood is up? At...
Question
Headlights flicker when completing a turn. 2011 Nissan
Hi there - I think you have good instincts on this problem! I agree that your problem is most likely in either the headlight/turn signal switch on the steering column, or possible with a wiring issue inside the steering column...
Question
my truck when I turn the key I have no power but when I jump it it starts up.
If you have a new, fully charged battery, and the starting system still does not function, there are actually only a relatively limited number of causes. Broadly, either the starter motor/solenoid assembly is faulty or the electrical circuit supplying the...
Question
Throttle control warning light is on and I have no power.
Hi there. The code P2127 is coming on for the throttle position sensor being disconnected or not communicating with the ECM (computer). Check the throttle position sensor to see if the resistance changes when the throttle is opened and closed....
Question
1984 F-150 will crank but won't start until you let off the key.
Hi there. What has happened is that the wiring on the ignition switch is hooked up wrong. The following are the terminals on your ignition switch: Battery 'BAT' ON 'ON' Accessory 'ACC' Ground 'GND' The wire from the...
Question
Heater blower
If the blower motor does not respond to on and off commands at the switch, generally the switch is faulty. The turn signal issue is probably not related to the problem with the blower. If you hear the flashing unit...
Question
Is there a wire in my car that is only on when the car is off?
Hi there. Check the fuse box for any live circuits with a test light and the ignition switch turned to the off position. Then hook up your exterior lighting system to that port with a fusible link and a toggle...
Question
2006 Jeep Commander horn problem
Hi there. Check the wiring from the horn button to the horn and see if there is any loose wiring or any burned wires. If all the wiring looks good, then the issue is within the steering column. The horn...
Question
2006 Jeep Commander horn issue.
Hi there. Check the wiring from the horn button to the horn and see if there is any loose wiring or any shorted wires. If all the wiring looks good, then the issue is within the steering column. The horn...
Question
I have a 1990 Jeep Cherokee with some weird stalling issues.
Hi there. Seems that the troubleshooting is leading to the transmission. When the vehicle goes into drive or reverse, if the transmission is lock up or the converter clutch is active, the engine will stall. When tapping on or turning...
Question
Gauges lose power sometime, battery being drained.
Hello - quite likely, the inconsistency with your gauge operation and the occasional dead battery are related, with a short in the wiring perhaps. This problem can be diagnosed by connecting an ammeter to the positive (red) battery cable, observe...
Question
The power locks and windows will not work when a door is open.
The wiring to the switches that control the locks and windows travels through the door and enters the car body through a flexible, usually rubber, conduit. Over time, repeated opening and closing of the door(s) causes stress (mechanical flexing) of...
Question
My 2014 Honda Civic was in a front end collis if I try to start only give check warnings
The ECU is probably not physically damaged. Electrical damage to the ECU depends on the circumstances of the accident, that is what kind of physical damage was done to the battery, vehicle wiring and so forth. Short circuits, disconnection of...
Question
Check Engine Light is on. Codes are Bank 1 Sensor 1 Low-voltage, and Bank 2 Sensor 1 Low-voltage. . .
Hi there. What seems to be the issue is the fuel pump is not plugged in. The Oxygen Sensors are working and telling you that the system is too lean with having a low voltage reading. If it was just...
Question
My 2010 kia blower fan stopped working but was fine last week. This occurred a few times in past. Works fine then stops blowing ag
The blower switch and the plug connection on the back of the switch, as well as a faulty blower motor are likely, too. I would check the blower motor first as you can easily power the motor directly to see...
Question
What does it mean if my reverse lights are not working?
Reverse lights are an important safety feature that alert pedestrians, and other drivers, that your vehicle is about to move or is moving. If there is power at the reverse light bulb terminals when the vehicle ignition switch is on,...
Question
My car had electrical damage due to rodents and needs dash harness replaced. How long does a harness replacement typically take?
The wiring harness in the dash would need to be repaired most likely since the new harness would not be available anywhere. The labor will be on a time and materials basis and most mechanics would not want to take...

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