Quote:
Originally Posted by Pontiac1976
I’m not sure if your unit was on a A/C unit or none A/C unit that it came from.?
I had a cold area heater box that had an extra flap that could be opened at feet heat.
( 1975 350 A/T TH350 none A/C unit) 37AMP/43AMP.
If it were a A/C unit it may have had a VAC access climate controls with one or two cables. Those would have the higher amp ALT. as the 66AMP.( might have had a amped up blower)
Or just manual cable only unit with A/C not to common after 80.
Not sure if this will help or not.
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I have a cold climate package with no ac on a 78. The heater has always been great and quickly warms up inside. I didn't know about the extra flap at the floor.
How do you open the extra flap? I've always just used the controls in the dash.