Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat 500 Factory Service Manual (2007-2024)19 · Wiring diagrams and electrical functions
19 · Electrical

Earths - functional description

Make
Fiat
Model
500 Factory Service Manual
Year
2007–2024
Section
Power supply and earths › Earths - functional description
Wiring diagrams and electrical functionsEarths - functional description

EARTHS - FUNCTIONAL DESCRIPTION

1.2 8v, 1.3 Multijet, 1.4 16v

FUNCTIONAL DESCRIPTION

The earths listed below are present on the vehicle and are categorised according to their relationship with the various wires.

Battery negative wiring:

  • battery negative, A001 A (on battery negative terminal block)
  • battery earth on engine, C002 (on the gearbox, connected to the body via a braid)
  • battery earth on body, C003 A (direct connection to battery negative) and C003 B (on the body, connected to the gearbox via a braid)

Front wiring:

  • battery negative, A001 B (on the terminal block; injection system -1.4 petrol and 1.3 Multijet engines-)
  • battery negative, A001 C (on the terminal block; electric steering)
  • left front earth, C010
  • ABS front earth, C012
  • heater/air conditioning unit earth, C016
  • radiator fan earth, C045

Dashboard wiring:

  • driver-side dashboard earth, C015
  • Air Bag system earth, C050 A (control unit)

Rear wiring:

  • left rear earth, C030 A and C030 B
  • right rear earth, C031
  • heated rear windscreen earth, C032
  • Air Bag system earth, C050 B (Side Bag)

Engine wiring:

  • compressor earth, C039 (1.2 and 1.4 petrol engines)
  • earth on engine, C040 A and C040 B (1.2 petrol engine)
  • earth on engine, C040 (1.4 petrol engine)
  • injection control unit earth, C060 (1.2 petrol and 1.3 Multijet engines)

Parts & tools for this job For 2007 Fiat 500

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