Glomus Tumor. Glomus tumor is one of the causes of joint pain that can also affect the fingers. It is an unusual benign neoplasm sprouting from the glomus body, a layer of the skin where the body temperature regulates. Mallet Finger.
Test a starter solenoid by applying current directly from the battery. 1  Remove the ignition switch wire from the solenoid and, using an insulated screwdriver, short the solenoidâs positive post to the terminal where the ignition switch connects.2  Doing so will apply 12 volts directly from the battery.. Test a starter solenoid by applying current directly from the battery. 1  Remove the ignition switch wire from the solenoid and, using an insulated screwdriver, short the solenoidâs positive post to the terminal where the ignition switch connects. 2  Doing so will apply 12 volts directly from the battery.
Remove the Spark Plug Wires. To test the coil pack, you first need to gain access to it. Turn off the car's engine and open the hood. Because the test takes place on the car, exercise caution when working with wires and hot parts. Locate the spark plugs and follow the spark plug wires until you locate the coil pack.o test the coil pack, you first need to gain access to it. Turn off the car's engine and open the hood. Because the test takes place on the car, exercise caution when working with wires and hot parts. Locate the spark plugs and follow the spark plug wires until you locate the coil pack.