questions about my car. Stuck calipers, headlights etc Options

[dabird]

I'm 5 days in as a 914 owner and I have a couple of questions.

1. My headlights have a mind of their own when you turn them on off. The just continue to flip up and down for about 30 seconds before finally settling in the up or down position. sometimes the do it together. sometime only one side. My first thought is a ground issue but maybe someone else has had the same issue and knows the cause?

2. My biggest issue with the car is the rear calipers are dragging. I was told the parking brake was stuck when I got the car but it appears that pistons are stuck dragging against the rear rotors. The cables for the parking brake are moving the levers but you cannot get the car to budge in neutral with the parking brake on or off. I plan on getting rebuilds from PMB but after hearing that a lot of 914's are rolling around with inoperable rear brakes, I'm wondering if i can back the pistons off with the adjusters and be able to drive the car in the meantime?

3. I've found someone near me parting a 72. I'm interested in a few parts and I'm wondering how much difference there is between the two? Will the front valance from a 72 fit on a 74? I'm assuming all the lenses (turns, tails etc) are the same?

Here she is tucked safely in her new home

[stugray]

I would consider selling my newly rebuilt rear calipers with new pads as soon as I finish replacing them with front calipers (next week maybe?)

Or I have two other sets of rear cores I could rebuild.
Rears are harder to refurbish than fronts however.