Ignition System Test

Step 5 - After the safety has been removed, depress the electrical connector tab to remove the connector from the coil assembly.

Remove Coil Electrical Connector

Step 6 - Once the connector has been removed, located both terminals to be used for testing.

Coil Electrical Connector Terminals

Step 7 - Because these terminals are small in size, sometimes a paperclip or small wire can be inserted into the connector terminals which makes testing easier.

Use a Paper Clip

Step 8 - After cutting the paperclip or wire, insert a piece into each terminal, do not allow the wires to contact each other, this could cause damage to the computer.

Wire Inserted Into Connector

Step 9 - Once both terminals have been prepared, use a voltmeter set to the DC voltage setting. Also install alligator clips to the leads to ensure a good connection.

Voltmeter Set to DC Voltage


Written by
Co-Founder and CEO of
35 years in the automotive repair field, ASE Master Technician, Advanced Electrical and Mechanical Theory.


Please use our question form if you have a specific question about your car as we are not able to give you a full answer on this page.

Article first published (Updated 2013-12-07)