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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...
How to Buy a Good Quality Tachometer
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
I have a 2002 Tahoe. My horn is not working. Is there a video or instruction paper that shows how to open steering wheel cover?
Hi there. To remove the horn button and replace it in the steering column / steering wheel, perform the following steps: (1). Disconnect the battery before removing any electrical wiring on your vehicle. (2). Release the airbag by...
Question
HI, I have a BMW X6 2012. Everything works fine except that my phone doesn't detect the bluetooth and the usb port in arm rest is
Hello, thank you for writing in. Your are dealing with two separate issues. The USB port may need to be replaced, as they are prone to failure, but make sure you check the fuse first. It should be located in...
Question
What causes fuel injector fuse to blow in a 2007 Cobalt?
Yes, you are absolutely on the right track but to complete the diagnostic job you will need the complete circuit diagram (Factory Service Manual, for instance) because you will have to test all the different segments of the circuit until...
Question
1998 Ford Expedition - when I open just the driver side front door the dome light flickers on and off -- why?
The switch in the door frame is probably not making good contact. That is fairly easy to test just by bypassing the switch. If that is not the issue, a simple trace of the dome light circuit will reveal the...
Question
No crank problem. turn key nothing happens. dash light fuse and door lock fuse blown. new battery, good connection.
Hello, thank you for writing in. LED headlights are supposed to run a lighter load on the electrical system, and they should not harm fuses or the vehicle when installed properly. Due to the age of the vehicle, you may...
Question
Need power point at rear lift gate.
Hello, thank you for writing in. There are several ways you can achieve getting a power supply to the rear of the vehcile. If there is not a 12 volt port already there, you fabricate a location for the port....
Question
Looking for the spare brake light wire on 2017 f150
Check the wiring that you have located and see if there is power to it when you step on the brakes pedal. If there is power to it, then it is the brake wire for the auxiliary trailer braking system....
Question
A 2000 Elderado blows engine heat through the back of the radiator. It blows out the front of the grill.
Hi there. Check to see if the fan motor wires are reversed. If the wiring was reversed, then the fan blades will turn the opposite direction that they are normally operated. If the wiring is hooked up properly, then the...
Question
Car rough idles sputters and jumps rpm after changing ignition coil cap and rotor.
Check the spark plug wires on the distributor and on the engine. It seems that you have one or more wires crossed and the engine is firing on the wrong stoke causing the engine to run rough and make the...
Question
Electrical sound goes through the subwoofer when I close the front doors an power is off.
Check the ground to the subwoofer and see if its hooked to a circuit within the door courtesy light ground circuit. It is possible that the power from the courtesy light switch is temporarily powering the subwoofer. A ground that...
Question
After I installed a new horn my engine wants to cut out.
Hi there. Check the electrical connections where the horn is connected to. It seems that the ground circuit or the power circuit may be tied into a sensor or grounded at the same location of a sensor. The alternator would...
Question
I can't roll the rear passenger window up from either the drivers side or the passenger side. Could it be the regulator rather than the switches?
Hi there. If you are hearing a clicking sound as the window is trying to roll up or down, then either the regulator motor is burned and needs replaced or the track that the window rides on is broken. If...
Question
Check engine light not working.
If the check engine light is not coming on, then that is a good sign. If your dashboard before displayed the check engine light before and now it is not coming on, then the dashboard warning light could have burned...
Question
Horn on 2003 Kia Sorrento ex will only blow sometimes & dash light will only work sometimes.
There are three different things going on with your vehicle. There is a loose ground wire to the dashboard lights to the frame, a clock spring in the horn maybe broken or damaged, and the multi-function switch has failed causing...
Question
Gas gauge isn't working. Sometimes the speedometer and the temperature gauge doesn't work. Limited lights around gauges and radio.
Hi there. The dashboard lights are burned out in the dash and the dimmer switch could be worn causing the lights to be weak. The gauges that seldom fail to work is most likely a loose wire in the dash...
Question
Chrysler 300 2005 abs not working. Code c2116. Does this mean my abs pump is dead for sure? Or could it be abs sensors.
Hi there. Take a digital volt meter and check the voltage on the harness to the ABS control motor. There should be a battery voltage present. If the voltage is low, then there is a break in the wiring from...
Question
I have a 2007 Mini Cooper le and recently I have a diminished check engine light. Car runs fine but my turbo no longer seems to work.
Hi there. Usually when a check engine light is on half and the other half is black, that is usually an indication for the gas cap not sealing properly. Check the gas cap seal and see if it's cracked, distorted,...
Question
Need help identifying a broken connector for 2011 chevy aveo ls 1.6L.
The ac clutch power wire should be somewhere around that area. You can check to see if your ac does work and if not, then the wire belongs to another circuit. The ac clutch power wire would be a 1...
Question
cadillac 2010 srx base model. blower motor operates intermitently
Intermittent blower motor operation could be related to the switch, resistor block, fuse, relay, motor, or wiring. To resolve this, the recommended service is a blower motor circuit diagnostic during which a certified Mechanic, dispatched by YourMechanic right to your...

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