Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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System Specifications

Charging System Specifications
BAttery
Test Load Chart
Battery Type Load (A)
50D 20L 150
55D 23L 180
Battery 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
Dark Current 20 mA Max.
Charging Current
Battery Type (5 Hour Rate) Slow Charge (A) Quick Charge (A)
50D 20L (40) 4.0-5.0 25
55D 23L (48) 4.5-5.5 30
Generator
Standard Voltage
Terminal Ignition Switch: ON Idle
At 20 degrees C (68 degrees F).
B B+ 13-15 V
P Below approximately 1 V Approximately 3-5 V
D Approximately 0 V *See Note*
Note: Turn the following electrical loads on and verify that the voltage reading increases: Headlights Blower Motor Rear Window Defroster
Generated Current (Referance)
Engine Speed (RPM) Terminal B Current (A)
1,000 Approximately 60 or below.
MUST NOT BE 0.
2,000 Approximately 68 or below.
MUST NOT BE 0.