Good morning! I'm trying to find out what the OEM audio system was for a 2004 Sierra 1500 Crew Cab. I've tried to find a vin decoder to see if it could tell me but no luck!
Good morning! I'm trying to find out what the OEM audio system was for a 2004 Sierra 1500 Crew Cab. I've tried to find a vin decoder to see if it could tell me but no luck!
Somewhere in the vehicle, most likely inside the glovebox is an "RPO" sticker. On that listing will be a code for type of audio system installed from the factory in that specific truck.
Search online for an RPO decoder listing to check your codes against.
In lieu of having a way to run VINs at least for now that I've seen, I've taken it on myself to catalog RPO option codes. It's slow-going if your sticker has a lot of codes, but it's better than nothing. Note that this list is NOT yet complete, I'm still working on it and I'll try to announce...