We've checked with Kwikee in the past and based on your gear box number of 151320 that indicates the components of your step are no longer available due to age. So what you'd need to do is go with the current version of the Series 38 which is part # LC3823383 for a step replacement. view full answer...
You are correct that the Replacement Key Pad Control Unit for Power Gear Powered RV Leveling System # LC82FR is replacement for your power gear 500731 keypad in your 2004 Holiday Rambler Sceptor per my contact Lippert.
Unfortunately I do not have a picture of the product to show you at this time. view full answer...
The step itself for the Replacement Step, Motor, and Switch for Kwikee RV Electric Steps # LC3711361 is not available separately, unfortunately.
To replace the steps you're going to need to buy the entire assembly again with # LC3711361.
I know it's not ideal however since Lippert does not offer that as a replaceable part, this is going to be your only option. view full answer...