Operation CHARM: Car repair manuals for everyone.

System Specifications

Charging System Specifications
Battery
Test Load Chart
Battery Load (A)
55D 23L 180
75D 26L 195
Battery Positive Voltage With Load
Approximate Battery Temperature Minimum Voltage (V)
21 degrees C (70 degrees F) 9.6
15 degrees C (60 degrees F) 9.5
10 degrees C (50 degrees F) 9.4
4 degrees C (40 degrees F) 9.3
-1 degrees C (30 degrees F) 9.1
-7 degrees C (20 degrees F) 8.9
-12 degrees C (10 degrees F) 8.7
-18 degrees C (0 degrees F) 8.5
Charging Current
Battery Type (5 Hour Rate) Slow Charge (A) Quick Charge (A)
55D 23L (48) 4.5-5.5 30
75D 26L (52) 5.0-6.0 35
Positive Voltage Above 12.4 V
Dark Current 20 mA Maximum
Generator
Standard Voltage
Terminal Ignition Switch: ON Idle
At 20 degrees C (68 degrees F)
B B+ 14.1-14.7 V
L Approximately 1 V 13.0-14.0 V
S B+ 14.1-14.7 V
Current
Standard Current (Referance)
Measuring Conditions: Room Temperature (20 degrees C (68 degrees F)) Voltage: 13.5 V Engine: Hot
Engine Speed (RPM) Terminal B Current (A)
1,000 0-57
Must not be 0.
2,000 0-70
Must not be 0.
Rotor
Resistance
Measure between the slip rings.
2.4-2.9 Ohms
At 20 degrees C (68 degrees F)
Stator
Continuity
Measure between Stator coil leads.
There should be continuity
Brush
Standard 21.5 mm (0.846 in)
Minimum 8.0 mm (0.315 in)
Brush Spring
Standard Force 3.2-4.3 N (0.32-0.44 kgf, 0.71-0.96 lbf)
Minimum 1.8 N (0.18 kgf, 0.4 lbf)
Rectifier
Negative (Black) Positive (Red) Continuity
E P1 Yes
B P2 No
T P3 No
P1 E No
P2 B Yes
P3 T Yes