hi Al....is it possible the vaccum is the same for the heater and the
4wd?? I have a 99blazer 4x4..my ex-mechanic left a batch of wires
against the manifold and they burned..he didnt repair it..my 4wd went
out..4x4 indicator lights (no click either) are dead..also my heat/ac
blower is acting like this guys..today I rewired all the burnt
wires...they are beside the front passenger wheel ...but no luck....any
Big Al wrote:
> "Jim" wrote in message
> > When I have the selector set to floor heat, the air comes out at the
> > windshield exhaust as if I had the defroster selected. The 4 dashboard
> > do work when they are selected, but I can never get discharge to the
> > Does anyone know where the dashpot is located that directs the air from
> > floor to windshield?
> They are designed to blow on the windshield if they loose vacuum. You have a
> bad hose somewhere, or the selector switch is bad.
> Al >> Stay informed about: 99 Blazer wont blow heat to floor