I dunno guys, my car doesn't have any quirks. Other than a manual glowplug setup, and a solid shimmed governor.. Its a completely normal acting 84 Jetta. In every aspect.
Well except that I have a lot of things switched.. The gp's, the stereo, I can turn the amp and subs off if I want to sit for hours and listen to tunes, rad fan is switched, and a 3 plug cigarette lighter under the dash is a switched power too.
But those aren't quirks or quorks, those are modifications I have done to suit me, not necessarily because the original wiring was broken either... Lol
Well except that I have a lot of things switched.. The gp's, the stereo, I can turn the amp and subs off if I want to sit for hours and listen to tunes, rad fan is switched, and a 3 plug cigarette lighter under the dash is a switched power too.
But those aren't quirks or quorks, those are modifications I have done to suit me, not necessarily because the original wiring was broken either... Lol
i am a fan of manual plugs..
the stereo, i have it so you have to turn it on with a switch, instead of the key. i just used one of the blank spots beside the stereo/hvac and put a rocker switch in one of the holes.. and i have had my sub amp on a switch before also, and honestly, i need to do it again.. batteries start to get weak after an hour or so..
the fan, i dont mind a manual switch, ALONG with the automatic switch on the radiator.. i had it full manual on my old rabbit, and it worked good, until you forgot to turn it on!
i also have a 3 gang cig lighter, but its inside my glove box, hidden away from view, and all the excess cord from my accessories also hides in there..
My headlights make my fuel mileage seem better till I turn them off 
quite impossible.. the headlights put load on the alternator, and load on the engine.
Seem is the operative word..
My fuel gauges goes up a bar, temp gauge goes down a bar with the lights on...