Headlamp Igniter Module: Service and Repair

WM 945719 Removing and installing control unit for gas discharge

Preliminary work

1. Remove main headlight. -> 94151900 Removing and installing headlights - section on "Removing" 94151900 Removing and installing main headlight

Removing control unit for gas discharge

Removing main headlight lid

1. Unscrew the four fastening screws -1- on the lid.





Fastening screws for lid

2. Release the lid at one attachment point at the top and two at the bottom -a- and remove it from the main headlight.





Releasing lid

Removing gas-discharge control unit

1. Unscrew the three fastening screws for the control unit bracket -1-.





Unscrewing fastening screws

2. Turn electric connector on the gas-discharge headlight -2- anti-clockwise (bayonet lock) and pull it off.





Releasing connector and removing cable

3. Pull cable for gas-discharge headlight out of the terminal -3-.
4. Carefully release and lever out the electric connector -4- on the control unit using a screwdriver.





Releasing electric connector with screwdriver

5. Unscrew the fastening screws -5- for loosening the control unit from the bracket.





Unscrewing fastening screws

6. Press the clip on the bracket back and remove the control unit.





Removing control unit

Installing control unit for gas discharge

Installing gas-discharge control unit

1. Insert control unit into the bracket until it engages securely.





Inserting control unit

2. Screw in the fastening screws -5- for securing the control unit in the bracket.





Screwing in fastening screws

3. Push on electric connector -4- for the gas-discharge control unit until the connector engages securely.





Connecting electric plug

4. Press cable for gas-discharge headlight into the terminal -3-.





Pressing in cable for gas-discharge headlight and connecting connector

5. Connect electric connector -2- and turn it clockwise as far as it will go (bayonet lock).
6. Position control unit bracket and secure with the three fastening screws -1-.





Screwing in fastening screws

Installing main headlight lid

1. Position lid on the main headlight and press it on. Make sure that the lid engages at one attachment point at the top and at two attachment points at the bottom.





Positioning lid

2. Screw in the four fastening screws -1- for the lid.





Screwing in fastening screws

Subsequent work

1. Install main headlight. -> 94151900 Removing and installing headlights - section on "Installing" 94151900 Removing and installing main headlight