Connections

Connections

Starting - Electronic ignition and fuel injection - Recharging and warning light - Low engine oil pressure warning light - Fuel injection fault warning light - Rev counter

Key to components

3 Power fuse box:
A 30A fuse protecting fuel injection
B 40A fuse protecting ignition
C 60A fuse protecting additional optional extras
D 80A fuse protecting fuse and relay unit

4 Fuse and relay unit

6 Instrument panel:
A Low generator recharging warning light
B Low engine oil pressure warning light
M Fuel injection fault warning light
W Rev counter

9 Front right earth

10 Battery earth on body shell

11 Battery

12 Ignition switch

13 Front right/left cables connection

19 Rear right earth

42 Right dashboard earth

55 Front cables/fuel gauge control connection

56 Fuel gauge control unit
A Fuel gauge sensor
B Electric fuel pump

57 Inertial switch

121 Three-stage pressure switch

131 Fiat-CODE electronic control unit

132 Petrol vapours cut-off solenoid (canister)

136 Knock sensor

137 Car speed sensor

138 Idle adjustment actuator

139 Diagnostic socket for fuel injection

141 Heated Lambda probe

142 Low oil pressure warning light switch

143 Alternator

144 Rpm and T.D.C. sensor

145 Starter motor

146 Potentiometer on throttle valve

150 Fuel injection control relay

155 Ignition coils assembly

156 Spark plugs

162 Fuel injector (1st)

163 Fuel injector (2nd)

164 Fuel injector (3rd)

165 Fuel injector (4th)

194 Fuel injection cables/fuel injector flange connection

195 Ignition/fuel injection electronic control unit (1581)

278 Integrated air temperature/pressure sender unit

279 Engine coolant temperature double sender unit

280 7.5A fuse protecting ignition switch

281 30A fuse protecting Lambda probe/canister solenoid

282 7.5 A fuse protecting Fiat-CODE/electronic injection

6A Instrument panel

6B Instrument panel

55A Front left/engine cables connection

194 Fuel injection cables/injector flange connection

■ The cables involved in the wiring diagram are marked with a solid square

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