Workshop Manuals Factory service & repair Fiat
01 00 Introduction and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 33 Braking system06 41 Steering07 44 Suspension and wheels08 50 Auxiliary units09 55 Electrical system10 70 Bodywork
Fiat Punto (176) Factory Service Manual (1993-1999)09 · 55 Electrical system
09 · Electrical

Disassembly

Make
Fiat
Model
Punto (176) Factory Service Manual
Year
1993–1999
Section
Recharging system › Disassembly
55 Electrical systemDisassembly
Diagram showing an ohmmeter connected to the alternator rectifier assembly
- reverse the positions of the ohmmeter leads as shown in the figure. NOTE The readings on the three terminals of the negative diodes should show the diode's resistance (current passing).
Photograph of the alternator rear cover with arrows indicating the rotor shaft and bearing location

Disassembly

- Undo the nuts securing the cover; - carefully withdraw the rotor shaft with the bearing from the front cover (pulley side).
Photograph showing hands using an ohmmeter to test the rotor slip ring and casing

Checking rotor winding insulation

- Place the two leads of an ohmmeter in contact with a slip ring and the rotor casing (see figure); - the instrument should give an infinite resistance reading; if it does not, renew the rotor and the rear cover.

Parts & tools for this job For 1993 Fiat Punto

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