Chrysler Conquest 1988 Service Manual page 272

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WIRING HARNESS - Troubleshooting
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168022;
Black lead wire
Ground %'
168022
Normal open (NO) type
Current does not flow. Current flows.
ON
Current flows.
Current does not flow.
16302E
8
I
-3. JUMPER WIRE
A jumper wire is used to close an open circuit. Never use
one to connect a power supply directly to a load.
4. VOLTMETER
A voltmeter isused to measure the circuit voltage.
Normally, the positive (red lead) probe is applied to the point
of voltage measurement and the negative (black lead) probe
to the body ground.
5. OHMMETER
An ohmmeter is used to checkkcontinuity- or measure
resistance of a switch or coil. If the measuring range has
been changed, the zero point must be adjusted~ before
measurement.
CHECKING SWITCHES
In a circuit diagram, a switch is represented by a symbol and in
the idle state. .~
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1. NORMAL OPEN OR NORMAL CLOSE SWITCH
Switches are classified into those which make the circuit
open and those which make the circuit closed w-hen off., _
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