Ron Planck Posted April 12, 2020 Share Posted April 12, 2020 I have a 2004 Monaco Diplomat. The jacks will not go down because the Park brake light will not come on. Where is the switch for that. Is it under the dash or some where by the transmission? Link to comment Share on other sites More sharing options...
bobdinsmore Posted April 12, 2020 Share Posted April 12, 2020 Just a guess, but I think it may be located in the console beside your left hip near or on the parking brake release switch. Bob Dinsmore 2000 Diplomat Link to comment Share on other sites More sharing options...
Highwayman Posted April 12, 2020 Share Posted April 12, 2020 It should be attached to the parking brake release valve. Link to comment Share on other sites More sharing options...
Admirial RVr Posted April 12, 2020 Share Posted April 12, 2020 I had the same problem on my 2006 Diplomat a couple of years ago. Changed the Nason switch located under the buttons for the trans shifter. Easy fix. I bought a new one some have done there own rebuild. Cost around $70.00 delivered. Just for info, you can go to the trouble shooting guide for the Power Gear levelers on line and you will find a proceedure for leveling in manual mode while your Nason switch in on order. I did this for a couple of weeks. Don T. Link to comment Share on other sites More sharing options...
Steven P Posted April 15, 2020 Share Posted April 15, 2020 Ron, I had this issue last year and replaced that parking brake switch and no issues since. See pic below. Link to comment Share on other sites More sharing options...
gizmo4wine Posted April 16, 2020 Share Posted April 16, 2020 Steven, Did you have to drain the air tanks to change switch or just be in park? Thanks, JimLewis 05Windsor Link to comment Share on other sites More sharing options...
Steven P Posted April 16, 2020 Share Posted April 16, 2020 43 minutes ago, gizmo4wine said: Steven, Did you have to drain the air tanks to change switch or just be in park? Thanks, JimLewis 05Windsor You do have to drain the air down before swapping as it is connected to the air system. You will also want to air the system back up and check for leaks in the brake before you mount it to the panel again. Link to comment Share on other sites More sharing options...
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