Lighting
- Make
- Alfa Romeo
- Model
- GT Factory Service Manual
- Year
- 2003–2010
- Section
- Exterior lighting › Lighting
LIGHTING
Disconnect the 10-way connector from the headlamp, switch on the dipped headlamps and check that there is battery voltage between pin 1 (+) and pin 5 (-) and that the polarity is correct.
Check the continuity of the wiring between pins 9 and 10 of the headlamp alignment control unit and pins 1 and 5 respectively for the front and rear geometry sensors.
Check the continuity between pins 11 and 12 of the control unit and pin 4 of the front and rear geometry sensors.
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