S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4 (1995)
Continuity
4. A quick test of wire continuity can often be made using voltages of solid state modules.
If the continuity of the wire is good, 5 volts will be found at the switch connector. This test can be performed only with a Digital Voltmeter. Analog
meters or Test Lamps will not work.
Voltage Test
The test illustrates the same point with another type of input.