Since I now live FL. I have to lic. my 1990 33ft.Regency(Cummings) . I must take the rv to the lic. building and have them view the ID plate. I have looked all over the inside (DRIVER SIDE) and the overhead cabinets, walls and inside the front grill area-- Did forget to look in the engine compartment .So I will tomarrow . If Dave or Lee or someone has a idea of the location I would appreciate the info. Thanks Fred

1 plate supposed to be on left side of the driver under the window, 2nd above the driver, close to the ceiling (behind the curtain or inside cabinet). Other options are at the door seal.

Mine is behind my head on the upper cabinet facing the front. On time there was a guy on the site that couldn't find his anywhere, and Lee Merriman came through with looking on the inside of the Generator door and it was there.

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Shortcuts Always Take Longer

I look look in these places and others if I don't find it.When and if I do I will let you know its secert hiding place . Thanks Fred

thanks to KAJTEK 1 ---- MY ID PLATE WAS RIGHT WHERE YOU SAID IN #1 -HIGH , OVER THE WINDOW, BEHIND THE VERY TOP OF THE CURTAIN, NEAR THE CABINET ON THE DRIVER SIDE. THANKS AGAIN FOR THE INFO .FRED

That knowledge did cost me a month wait for California Highway Patrol appointment.
Glad could help you