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Discussion Starter #1
I have a Roadmaster hvac climate control unit in my 94 Fleetwood and love it.
But now i want the cc in my 96 obdii Fleetwood.... I'm concerned a obd1 cc from a RM 94 or 95 will not work especially diagnostics.

Any Fleetwood owners out there can attest either way?
 

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Good question. Don't know the answer. RM HVAC is awesome. If it does matter, why not just use one from a OBDII donor car? Shouldn't be much harder to find than from OBDI.
 

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You could run it through a few tests and see how it does. Tach, speed, coolant temp etc.

Then disconnect a sensor, get a code, and see if you pull it properly.

Of course you could swap in an OBDII unit. Did your car originally have an OBDII CCM?

I don't even know if the plug would be the same.
 

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Discussion Starter #4
I have a lead on an obd1.... Want to see if anyone verified it works or not since this is easiest to get at the moment. Just seeing if anyone knows for sure.
 
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