Quote:
Originally Posted by johnta1
Sales code was 492 I believe?

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Was also 554 and 421 . I am unsure why it changed through the years.
This option was installed early on in a build along with rear speaker wire/s.
Pontiac and GM in General wanted to give dealers something to make money on, so Kits were made, but so generic and not in X body cars.
We ordered switches and releases and made our own on new cars a few times.
I saw a new Firebird , ordered with it and it didnt show up. Was on the build sheet and manifest.
Probably pricing had a lot to do with changes in the numbers for sales codes.
IMHO