Dave,
First thing to do is---get yourself a bottle of Captain Morgan rum, or a
12 pack, of  your favorite beer, and after about 4 to 5 adult beverages,
start yanking the dash-----it's the only way to the heater motor-----

If all else fails, finish the beverages.

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Terry--
74 Campmobile- (Clementine)
85 GL- (Delilah)
86 BMW 325 ES- (Eva)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     "In life, it is much better to want
something you cannot have---

Than to have something you can't get rid of"

(T.K.)