Heater box swap

j061093409 said

the mounting rod is different between the heater boxes but the physical shape is the same. either box or controls should work.

there are 2 screws that mount the controls to dash frame from the rear. I would undo them and keep the 70 box and controls intact.

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The 70 controls are gone... I have 74 controls and busted up 70 box. A member has a 70 box for sale, but I read in another thread the controls are different, which I know, but does that mean that the 74 controls won't control the 70 box??

I think that is the biggest question...