Plymouth Valiant V-100 1965 Service – Technical Manual page 145

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ELECTRICAL AND INSTRUMENTS
CONTENTS
Page Page
BATTERY
............................
1 INSTRUMENTS-INDICATORS
. . . . . . . . . . . .
67
STARTING MOTOR
.....................
6
WINDSHIELD WIPERS-HORNS
. . . . . . . . . . .
76
ALTERNATOR AND
POWER EQUIPMENT
....................
84
IGNITION SYSTEM
.....................
41 SPECIFICATIONS
. . . . . . . . . .
In Rear of Manual
. . . . . . . . . . . . . . . ....................
VOLTAGE REGULATOR 24 WIRING DIAGRAMS 96
LIGHTING SYSTEM
.....................
63
Hydrometer Test
(Corrected to
8OOF.l
PART 1
BATTERY
SERVICE DIAGNOSIS
BATTERY TESTING CHART
State
of
Charge or
See Paragraph
2
Battery Condition Correction
LESS THAN 1.220
SP. GR.
Battery low. Recharge battery. Make a high rate discharge
test for capacity.
If
cells test O.K., recharge
and adjust gravity of all cells uniformly. Test
voltage regulator setting. Thoroughly test elec-
trical system for short circuits, loose connec-
tions and corroded terminals.
CELLS SHOW MORE
THAN 25 POINTS (.025
Specific Gravity) overcharge.
VARIATION Natural or premature failure. essary.
Short circuit in low cell.
Loss of electrolyte by leakage or excessive
Try to recharge the battery. See "Charging the
Battery." See Adjustment of Acid Gravity." Test
battery for capacity. Install new battery
if
nec-
Cracked case.
CELLS SHOWING
MORE
Satisfactory.
THAN 1.220 SPECIFIC
GRAVITY.
No correction required. Make a
high
rate
dis-
charge capacity test;
if
cells test O.K., adjust
gravity of all cells uniformly.
Cranking Test Possible Cause Correction
IF THE VOLTAGE DROP I S
MORE
THAN
0.3
VOLTS
(3/10) BETWEEN THE
STARTING MOTOR CABLE
AND THE VEHICLE FRAME cable.
WHILE CRANKING LOOK
FOR:
Poor contact between the cable terminal and
the vehicle frame or between the cable clamp
terminal and the battery post or the starter
switch contacts. Frayed, corroded or broken
Locate the high resistance: repair or replace
as
necessary.