Volkswagen The Golf 2004 Service Training page 24

Onboard power supply
The onboard supply control unit J519
Fitting location
The onboard supply control unit can be found on
the left underneath the dash panel where it forms
a unit with the relay carrier.
Versions
The onboard supply control unit is available in
two versions.
High version
for vehicles with fog lights and/or bi-xenon
lights and personalisation
Medium version
for all other vehicles
Fog lights can only be retrofitted if the
medium version of the onboard
supply control unit is upgraded to the
high version.
24
Onboard supply control unit
Relay carrier on onboard
supply control unit
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