T100 Pickup 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1993)
Finding A Short Circuit
3.
Connect a test lamp in place of the fuse.
4.
Establish conditions that turn the test lamp on.
EXAMPLE
a) Ignition SW ON
b) Ignition SW ON and SW 1 ON
c) Ignition SW, SW 1 and Relay ON (connect the relay)
5.
Connect and disconnect the components or connectors in the circuit while watching the test light.
a) The test light will come on when the shorted circuit or component is connected.
b) The test light will go off when the circuit or component is disconnected
Voltage Check