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How Long Do Wiring Harnesses Last?
Also referred to as a cable harness, a wiring harness is a bunch of wires put together that connect in the same area. The engine wiring harness connects to various components that need...

Related questions

Do wiring harnesses need to be replaced?
As automotive electrical systems increase with each model year, so does the amount of wiring required to operate them. BMW says their current models can contain up to a mile of wires weighing as much as 130lbs! All of this...
Problem with wiring harness
When you say some wires are cut I would need to get an idea of the location of the cut wires and how they got cut? Do you have critters chewing the wires under the hood? I have seen mice...
Car leaks fluid under vehicle
In regards to the leaking transmission after the pan gasket has been changed it may still be leaking from the output seals and/or the torque converter seal, the latter of which would require transmission removal. If on occasion the ignition...
Possible faulty sensor
Hello. Removing the wiring without knowing what you are doing is not a good thing. If the wiring is all apart it will need to be reinstalled first. I would typically reinstall the wiring and scan the computer for codes....
Lights going on and off in truck
This problem arises with older trucks. The harness, unless it is damaged, is not usually the problem. The problem usually is in the pins coming loose or making bad contact in the fuse box. When this happens, you start loosing...
Cable harness worn
Depending on how much the harness was damaged, a replacement might be necessary. There could also be secondary damage from non-insulated wires touching each other after the harness was cut. If it was only a few wires, the harness might...
Shoulder harness stuck
The drivers seat belt tensioner is damaged and should be replaced. Doing so requires removing interior panels and special tools. If you would like to have this repaired, have a qualified mechanic come visit your home or office to repair...
Wiring harness burned up from short circuit to disa valve
Wow! Very disturbing issues to experience, especially the electrical smoke with your family in the vehicle. Based on what you've told me about you 2998 BMW 740i, this is not going to be a quick one to diagnose and repair....
Driver's side windows do not properly function
If removing the driver door window switch (or the driver-side console switch), and applying direct power to the harness yields successful operation of the window, the problem is the switch that was removed for the test. This can be confirmed...
truck stalled. Full pump wasnt working weny back the next day and it started. Runed good for about a month now it has stalledagain
From personal experience with a similar vehicle with similar issues, there are two possibilities: There can be a short in the connector or harness that connects to the top of the fuel pump. On the particular vehicle I experienced,...
check engine light will not go off
I would try to clear the code first by disconnecting the battery. Make sure you have the radio reset code. Leave the battery disconnected for at least 10 minutes. Reconnect the battery and enter radio code. The Check Engine Light...
How do I rewire under the dash pad? Many of the wires are just there disconnected and some are damaged.
Hello. If you were to purchase an entirely new harness that is made for your vehicle, it should a simple plug and play. I would not recommend tearing everything out. But instead, if I were to do it I would...
Cut/spliced wires and interior lighting went off
Hi there, thanks for writing in. When you cut the wires to the stereo, you probably cut the two wires to the radio illumination. These wires are shared with the interior lighting and will need to be repaired. One wire...
ABS light comes on when I start driving - 1994 Acura Vigor
There is the possibility of a deeper electrical problem like a broken wire or corrosion inside a wire that may be very difficult to pick up on. Have an automotive technician experienced in diagnosing electical bugs dig out the problem....
Battery completely died out twice
The battery is leaking out of the top near the posts and will cause the terminals to get corroded. I suggest having your battery and cables serviced: have the cables cleaned of corrosion have the battery replaced ...
Advice on installing interior LED lights
I would suggest running your own separate wire system to the battery and keeping the lights separate from any interior systems. The wiring in this vehicle controls everything through modules, and if you tap into the modules, they could cause...

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