Re: [DML] Vent function question, advice please.

[Warren Wallingford <warren@xxxxxxxxxx>]

The center vent function is controlled by the mode switch.  Either the 
maze is indexed wrong or is the wrong one entirely.
Check the resister pad in the evap box for speeds 1 & 3.  The coils may 
be broken or the connection broken.
Warren at DMC


Joe OBrien wrote:
> I recently replaced my mode switch, blower motor, blower motor 
> relays. Circuit breakers, and vacuum solenoid for the center vents.
> 
> On max ac, I get the center vents to function, but if I switch it to 
> vent or heater, the center vent closes. ???
> 
> On my other cars on the heater & vent settings the center vent stays 
> open, but not on 16851 (the one I'm doing hvac work on)
> 
> Also even after replacing the blower motor, fan speed relays, new 
> circuit breakers, I still have no 1 & 3 fan speed?
> 
> And ideas on the center vent issues and the two missing fan speeds?
> 
> Thanks,
> 
> Joe O'Brien
> 
> 2524,
> 16634,
> 16851
> 
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> 
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