first off many cars now have none, only BCM with power full transistor driver, sans relays,and are better by far.
so I now read your service manual to you.
real name. 02 Oldsmobile
Alero
USA answer reading the USA book, me.
so all park lamps are dead, up to 6 or 8 of the and license plate too?
we scan the PCM (OBD2) with scan tool after checking fuses
then the book comes out'
THE BCM brain turns on relay 19 part master relay but needs fuse 45 to be good.
the turn signal park switch tells the BCM to enable PARK
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