Ignition Switch Testing - Jeep 1979 CJ-5 Technical & Service Manual

LIGHTING SYSTEMS
31*11
(4) Following the wiring diagram, determine which
circuit(s) may have caused the failure. Test the circuit(s)
using an ohmmeter or test light until ground condition
is located and corrected.
(5) Unsolder link from harness, solder replacement
link to harness wire(s).
N O T E : Solder joint MUST be made with rosin core
solder only. DO NOT use acid or acid core solder. Protect
harness wires from damage when soldering.
(6) Tape harness using plastic electrical tape.
(7) Route wire as originally installed and make
connection.
(8) Connect battery negative cable and check oper-
ation of the circuit(s) involved.
IGNITION SWITCH
The ignition switch is mounted on the lower section of
the steering column and is connected to the key lock
assembly by a remote lock rod.
(1; Place key lock in Off—LOCK position and re-
move two switch attaching screws.
(2) Disconnect switch from remote rod.
(3) Disconnect harness connector and remove
switch from steering column.
Testing
The ignition switch terminals are shown in figure 3R-
25.
To test the ignition switch circuitry and continuity,
place the slide bar in the position to be tested and use
either an ohmmeter or Continuity Light J-21008.
Ignition switch slide bar positions can be easily identi-
fied by first locating the alignment hole located in the
flat portion of the switch adjacent to the terminals.
Starting from the alignment hole end of the switch, the
switch positions are: Accessory, Off—LOCK, Off, On,
and Start. Each position has a detent stop except
START which is spring loaded to release when the key is
released.
JG1
f
S T E E R I N G
C O L U M N
STEERING WHEEL
S T A N D A R D C O L U M N
I G N I T I O N SWITCH
S T E E R I N G WHEEL
T I L T C O L U M N
POSITION
C I R C U I T
S T A R T 1-1, B-1 & S
G-1,G-2
CONNECTED
G R O U N D E D
ON
1-1 & B 1
A & B-2
1-3 & B-3
CONNECTED
CONNECTED
CONNECTED
OFF
OPEN
OFF-LOCK OPEN
ACCESSORY
A & B-2 CONNECTED
B-1, B-2 & B-3 (COMMON C O N N E C T I O N )
Fig. 3R-26 Ignition Switch Positions
A42215