Table of Contents
Advertisement
coil... . . . . . . .
coil... . . . . . . .
Primary
Primary
Secondary Resistance @ @ 70"-80"
Secondary Resistance
Ballast
Ballast
Resistor.
Resistor.
Resistance
Resistance
Current Draw (Coil and Ballast Resistor in Circuit)
Current Draw (Coil and Ballast Resistor in Circuit)
E E n n g g i i n n e e
Engine
Engine
*When distributor is new or after rebuilding (new bushings and/or shaft installed), service wear tolerance should
*When distributor is new or after rebuilding (new bushings and/or shaft installed), service wear tolerance should
not exceed ,005".
not exceed ,005".
1. BURNED OR PITTED
1. BURNED OR PITTED
DISTRIBUTOR
DISTRIBUTOR
( 1) Dirt or oil on points.
( 1) Dirt or oil on points.
(2) Points misaligned or gap too narrow.
(2) Points misaligned or gap too narrow.
(3) Defective coil.
(3) Defective coil.
(4) Wrong condenser or defective condenser.
(4) Wrong condenser or defective condenser.
(5) Alternator regulator setting too high.
(5) Alternator regulator setting too high.
(6) Bushings or distributor shaft worn.
(6) Bushings or distributor shaft worn.
(7) Touching of points with hands during installa-
(7) Touching of points with hands during installa-
tion.
tion.
2. IGNITION COIL FAILURE
2. IGNITION COIL FAILURE
(1) Alternator regulator setting too high.
(1) Alternator regulator setting too high.
(2) Coil damaged by excessive heat from engine.
(2) Coil damaged by excessive heat from engine.
(3) Coil case or tower cracked.
(3) Coil case or tower cracked.
(4) Oil leak at tower.
(4) Oil leak at tower.
1. DESCRIPTION
1. DESCRIPTION
The ignition system consists of two separate circuits.
The ignition system consists of two separate circuits.
The battery, ammeter, ignition switch, primary wind-
The battery, ammeter, ignition switch, primary wind-
ing of the ignition coil, distributor contacts and con-
ing of the ignition coil, distributor contacts and con-
denser, vehicle frame, and the primary wiring make up
denser, vehicle frame, and the primary wiring make up
the low voltage primary circuit. The secondary high
the low voltage primary circuit. The secondary high
voltage
voltage
circuit
circuit
the distributor cap and rotor, the spark plugs, the high
the distributor cap and rotor, the spark plugs, the high
tension wiring and the vehicle frame.
tension wiring and the vehicle frame.
2. CHECKING THE SECONDARY CIRCUIT
2. CHECKING THE SECONDARY CIRCUIT
The coil to distributor cap lead wire and the spark
The coil to distributor cap lead wire and the spark
plug wires should make good, clean contact in the
plug wires should make good, clean contact in the
not to jerk the cables of
not to jerk the cables of
out of the distributor cap towers (especially if
out of the distributor cap towers (especially if
the engine is
the engine is
pull
pull
out
out
Check
Check
open
open
circuit. Replace the cable
circuit. Replace the cable
is more than
is more than
if the terminal has pulled off.
if the terminal has pulled off.
.._..............._.........__...............
.._..............._.........__...............
Resistance
Resistance
@ @
70"-80" F.. F..
.
.
.
.
.
.
.
.
.
.
70"-80"
70"-80"
@, @,
F. . . .
F
. .
S S t t o o p p p p e e d d , ,
Idling.
Idling.
.
.
.
.
.
.
.
.
.
.
POINTS
POINTS
includes
includes
the
the
coil
coil
secondary
secondary
the
the
otherwise, the cable may
otherwise, the cable may
hot;
hot;
of
of
its terminal).
its terminal).
for
for
cables
cables
excessive
excessive
30,000 ohms. Replace the cable
30,000 ohms. Replace the cable
70"-80"
70"-80"
F..
F..
.
.
, . . . . . . . . . . 8OOt-9200
, . . . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
.
.
.
.
.
.
.
.
.
.
.
.
SERVICE DIAGNOSIS
SERVICE DIAGNOSIS
(5) Coil tower carbon-tracked.
(5) Coil tower carbon-tracked.
3. CONDENSER FAILURE
3. CONDENSER FAILURE
(1) Normal fatigue.
(1) Normal fatigue.
(2) Damaged by excessive engine heat or moisture.
(2) Damaged by excessive engine heat or moisture.
4. FOULED SPARK PLUGS
4. FOULED SPARK PLUGS
( 1) Carburetor mixture over-rich.
( 1) Carburetor mixture over-rich.
(2) Excessive oil consumption.
(2) Excessive oil consumption.
(3) Improper plug heat range.
(3) Improper plug heat range.
(4) Improper gap adjustment.
(4) Improper gap adjustment.
5. BURNED SPARK PLUGS
5. BURNED SPARK PLUGS
( ( 1) Plugs loose or too tight in the cylinder head.
1) Plugs loose or too tight in the cylinder head.
(2) Carburetor mixture too lean.
(2) Carburetor mixture too lean.
(3) Improper plug heat range.
(3) Improper plug heat range.
(4) Improper ignition timing.
(4) Improper ignition timing.
ignition coil and the distributor cap towers.
ignition coil and the distributor cap towers.
The ignition coil tower and the distributor cap should
The ignition coil tower and the distributor cap should
be wiped clean with a cloth moistened in cleaning
be wiped clean with a cloth moistened in cleaning
solvent.
solvent.
The insulation of the coil lead and spark plug wires
The insulation of the coil lead and spark plug wires
will deteriorate with usage. Leakage to ground and be-
will deteriorate with usage. Leakage to ground and be-
tween the wires will occur, resulting in hard starting
tween the wires will occur, resulting in hard starting
winding,
winding,
and inefficient engine operation. Old, cracked or dam-
and inefficient engine operation. Old, cracked or dam-
aged wires should be replaced.
aged wires should be replaced.
NOTE: The high tension cables have a non-
NOTE: The high tension cables have a non-
metallic string type conductor for improved
metallic string type conductor for improved
radio
radio noise
E E L L E E C C T T R R I I C C A A L L - - I I N N S S T T R R U U M M E E N N T T S S
or
or
spark plugs
spark plugs
recorded as it is when the vehicle is first brought into
recorded as it is when the vehicle is first brought into
the shop for testing. This will assist in diagnosing com-
the shop for testing. This will assist in diagnosing com-
plaints of engine st
plaints of engine stallin
hard shifting on vehicles equipped with automatic
hard shifting on vehicles equipped with automatic
or
or
transmissions.
transmissions.
resistance
resistance
if if
resistance
resistance
tion and adjust the dwell calibrator until the dwell
tion and adjust the dwell calibrator until the dwell
meter reads on the set line (test leads separated).
meter reads on the set line (test leads separated).
Chrysler Auto Lite Chrysler
Chrysler Auto Lite Chrysler
1 1 6 6 8 8 8 8 2 2 1 1 2 2
2 2 0 0 0 0 5 5 6 6 7 7
. 1.65-1.79
.
1.65-1.79 ohms
ohms
8OOt-9200 ohms
ohms
2095501
2095501
.
.
. .
0 0 . . 6 6 o o h h m m s s
3.0 Amperes
3.0 Amperes
. .
1.9 Amperes
1.9 Amperes
noise suppres
suppression. Care should be ta
sion. Care should be taken
alling g or complaints o
or complaints of creeping and
( 1) Turn the selector switch to the calibrate posi-
( 1) Turn the selector switch to the calibrate posi-
62-160-2
62-160-2
2 2 0 0 9 9 5 5 2 2 2 2 3 3
1.41-1.55 ohms
1.41-1.55
ohms
9200-10600 ohms
9200-10600 ohms
ken
4 4 9 9
f creeping and
Advertisement
Table of Contents
