Ues a nad ground can cause that
SOURCE: Fuel gauge doesnt read correctly?
You'll have to go back & try to look up on top of tank where the fuel lines etc., attach to pump & sending unit assy. Will be a single wire or strap connected usually on ring around sending unit area.
SOURCE: transfer case not working 1999 ford explorer
The most common problem with these is a bad motor that is mounted to the back of the transfer case, not the case itself. It is highly likely that you got another bad motor. You can do a simple test by beating on it with a rubber mallet while someone changes the switch in the truck. Usually that will get it moving. If that does, replace the motor. If not, you could still have a bad motor that won't move no matter what you do to it. I can't help you with the schematics, but in my 10 years working for Ford, the beat on it test always worked best. Works good for starter motors and window motors too. :-)
SOURCE: brake lights not working
I had the same problem, the brake light circuit runs through the column and through the turn signal switch and the contacts are most likely corroded. You will have to take the steering wheel off but be sure to disconnect the battery and let the car sit for 5min before taking the air bag out. Once you get the steering wheel off
you will take the screws out of the signal switch assembly, once done you will see two torks screws holding the switch cover on inside are the contacts. Clean the contacts with emory clothe and contact cleaner. The Cutlass series are notorious for this problem, you will need a friend to put the steering wheel locking plate back on because of the heavy spring load. I hope this fixes anybody with the same problem.
SOURCE: 1987 chevy s10 2.5l tbi will not start. changed
That eliminates the crankshaft and camshaft position sensors. Have you checked the fuel injector itself for an open winding or stuck valve plunger? There should not be a steady 12 volts to the injector--if good injector, it would be spraying fuel steadily into the throttle body. But at least the engine should try to run if poorly. Take the injector out, dry it off with air, and intermittently apply 12 volts to one terminal while grounding the other. You should hear a click from inside every time you touch 12 volts. If not, replace it. If it does, it may be plugged with debris. Try blowing through it in reverse with compressed air.
You have a fuel pu,p driver module that gets the power from the inertia switch and the power for the fuel pump comes from that module. I would start by checking for a wiring problem. Below is a picture of where that module is located. At the plug of the module you want to make sure you have good continuity from the pink and black wire at the module to the inertia switch. Then you will want to make sure you have continuity from the fuel pump to the module in the brown and pink wire. That should be the power source to the fuel pump. One other thing to keep in mind and that is the PCM controls ground to the fuel pump so this may be an issue. Try that first to see if you have a wiring problem. If you have power from the inertia to the module but no power coming out of it to the fuel pump this may be your problem. Hope I was able to help...
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