How To Use Multimeter On Car Wiring. You can use a multimeter to check if the switch is on or if the conducting wire in a circuit is broken. Insert the red probe into the jack marked for ohms.
You can then touch the probes together. Connect your black lead to chassis ground -. Consult an auto manual for the correct voltage needed at the device to which you originally connected the wires.
Insert the red probe into the top right slot of the plug.
Connect your black lead to chassis ground -. Httpsamznto2X37HsnFluke 117 Electricians True RMS MultimeterUS. Set the multimeter to read voltage. You can then touch the probes together.
