[InfiLights]

WELCOME.   You are spot on with CH751 for the finger latches, the key for the paddle latch is CH745.  The cylinder lock for the coolant door (on my 567) is C415A, if you want a copy let me know and I'll make one.  I'm pretty sure the alarm key switch is made by Cole Hersee.  My key has IC047 stamped on it.  You can find Cole Hersee products on line if you desire changing, it is a simple on-off contact arrangement.

Thank you Gordon. Much appreciated.
Where do you have a paddle latch with CH745 ?
I appreciate the offer to make me a copy of the C415A - worth a try.

I have the lock missing entirely from the bay behind the passenger front wheel where the AC unit sits. Will have to get one hopefully keyed the same ...CH751. The Cole Hersee switch may be the same as yours, maybe we can try a copy of the IC047 ?
I will pay for the copies and shipping. I will PM my address and please let me know where to send the money.

Thank you again.

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When all the gauges go to zero, what does the front slide seal regulator gauge read?  What does the 12V air compressor regulator gauge read?

When I purchased my coach the 12V air pump did not work.  I replaced a burnt fuse with a 15A fuse.  It would still blow.  I hooked the 12V air compressor to a 12V power pack & it ran great.  I again replaced the fuse & has been running perfectly for 7 years.  I use the 12V air compressor when I store the coach or at night when I dry camp.

When all gauges go to Zero, they go to Zero....... Front slide regulator is Zero, 12V compressor gauge is Zero, rear slide Zero, brake dash is Zero, Supply dash Zero.....but I have air in the front slide seal...but in the rear slide seal.....no air of course for doors, toilets etc.