How can I find out if my engine ground circuit is bad?
There’s some unwanted resistance in the ground circuit. To locate the problem, continue with the next steps. Move your meter’s red lead to the main ground terminal, engine end side. Have your assistant crank the engine while you take a voltage drop reading.
What should I do if my fuel pump is not grounding?
If the ignition system is equipped with a distributor, you can disconnect the high tension cable from the distributor cap and ground it to the engine (bolt or bracket) using a jumper wire. On other systems, you can remove the fuel pump fuse.
How can I tell if my fuel pump relay is faulty?
2. Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start. If the fuel pump relay fails the fuel pump will be left without power. The engine may still crank when the key is turned, however it will not be able to start due to lack of fuel.
What to keep in mind when troubleshooting ground connections?
Here are a couple of important points to keep in mind when troubleshooting grounds in your vehicle: When checking ground connections, make sure the terminals attach to a non-painted surface. You want to connect to bare metal.
What should I do if my fuel gauge is not working?
In newer cars this typically involves turning on and off the headlights a certain number of times and pressing the odometer button; in older ones turning on and off the ignition a few times is generally required. The fuel gauge needle should go through a full sweep during the cluster self-test process.
Where is the sensor on the fuel tank?
The fuel gauge sensor is a sensor that is not seen very often. This is mainly due to the fact that it is not located near the engine under the hood, which is the area you inspect most often. This sensor is located inside the fuel tank near the fuel pump. The sensor has a floating arm that senses the level of fuel in the tank.
Where is the transmitter for the fuel gauge?
If you do the work yourself, you can get the job done much cheaper than leaving it to your mechanic, but remember that it is not an easy task for a beginner. To replace the fuel gauge transmitter, you must reach the connector where the fuel pump is located on the fuel tank. Most likely you will find it under the back seat or in the trunk.
What should I do if my fuel injector is not working?
Inspect the injector. And, if you see a small metal clip that looks like a staple pin, use a small flathead screwdriver to remove or depress the clip. Then, with your hand gloves on, grip the injector and work it back and forth while pulling it to remove it from the fuel rail.
How can I tell if my ignition coil has no spark?
If you see no spark, the coil is a good thing to suspect next. You’ll need a digital multimeter to check the resistance levels of your coil. The side terminals of the coil are marked positive (+) and negative (–) and these are where you can measure the resistance of the primary windings.
How can I check the voltage of my battery?
Connect your meter’s black lead to the battery negative terminal, and your meter’s red lead to the firewall. You should get a voltage drop of 0.2 volts or less. If your voltage drop is higher, check voltage drop across ground straps that connect the engine to chassis, and the engine to the firewall. Fix connectors or wires as necessary.
How can I tell if my C10 truck is re wired?
This is actually a common problem in 70s and 80s C10s and no one ever get’s the right answer. If no one has re-wired this truck in the past then turn your key to the run position and check to see if your turn signals and back up lights are working.
What does no start no crank no click mean?
If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that. In the old days, power flowed through the ignition switch and down to the starter solenoid. Not anymore.
Which is the best site to find wiring issues?
If you’re tracking down a wiring issue, Eautorepair.net is the better choice. Eautorepair.net redraws factory wiring diagrams in color and includes the component, splice and ground locations right in their diagrams. That saves a lot of time because you don’t have to refer back to the component locator or circuit locations.
What causes the spark plugs to not work?
Oil on the spark plugs can come from a failed seal, or it can come from a failed valve cover gasket. The spark plug well seals you are referring to can be changed. It is a slightly lengthy process to… My 3rd brake light still works but not lower lights, cruise will not set.
Can a bad battery cause an ignition cylinder to fail?
If the battery is not bad, then you may have an ignition cylinder issue. This may come in the form of a connection issue, or some kind of other mechanical failure. There may also be a problem with the starter. Only further testing will tell.