This article apply for Fiat Punto Hatchback including Selecta and special/limited editions (petrol engines:1.1 liter and 1.2 liter; 1242 cc, 8-valve and 16-valve;diesel and turbo-diesel engine: 1.7 liter).
The electrical system of Fiat Punto is of 12-volt negative earth type. Power for the lights and all electrical accessories is supplied by a lead/acid type battery, which is charged by the alternator. Herein you will find detail information regarding procedures for bulbs (exterior and interior lights) renewal, electrical fault finding, fuses and relays, headlight beam alignment, horn removal and refitting, instrument panel, loudspeakers, radio/cassette player, switches, tailgate wiper motor, windscreen wiper motor, wiper arm removal and refitting. Note: before attempting to diagnose an electrical fault, first study the appropriate wiring diagram, to obtain more complete understanding of the components included in the particular circuit concerned.
Find more information about Fiat Punto Body Electrical Circuit System Fuse Panel and Relay here on page 13 – 24 – free download PDF file from fiat-b.org