Grfe Charging Service Data

Battery

Voltage

at 20°C (68° F)

12.6 to 12.9 V

Voltage regulator

Regulating voltage

13.2 to 14.8 V

Generator (DENSO made)

Generator brush holder

Brush

Standard

10.5 mm (0.413 in.)

assembly

length

Minimum

4.5 mm ( 0.177 in.)

Generator rotor assembly

Resistance

at 20°C (68° F)

2.3 to 2.7 Q

Slip ring

Standard

14.2 to 14.4 mm (0.559 to 0.567 in.)

diameter

Minimum

14.0 mm (0.551 in.)

Generator (BOSCH made)

Generator rotor assembly

Rotor coil resistance

at 20°C (68° F)

2.27 to 2.53 Q

Slip ring

Standard

15.3 to 15.5 mm (0.602 to 0.610 in.)

diameter

Minimum

14.9 mm (0.587 in.)

Starter sub-assembly generator with rectifier

Positive rectifier

Positive (+) tester probe - Positive (+) terminal

Below 1 Q

Negative (-) tester probe - Rectifier terminal

Negative (-) tester probe - Positive (+) terminal

10 kQ or higher

Positive (+) tester probe - Rectifier terminal

Negative rectifier

Positive (+) tester probe - Negative (-) terminal

10 kQ or higher

Negative ( ) tester probe Rectifier terminal

Negative (-) tester probe - Negative (-) terminal

Below 1 Q

Positive (+) tester probe - Rectifier terminal

Starter for open circuit

Between rectifier terminals

Below 1 Q

Generator brush holder assembly

Brush exposed length

Minimum

6.0 mm (0.236 in.)

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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