capacitor

My friends S10 died awhile ago, they're now scrapping it. We plan to put his subs in his Taurus. My question is do i need to discharge the cap for removal? Then re-charge for installation? The S10 also hasn't been ran in while, so the cap might not be all the way full. subs? I get. I've never...

I have 8k HID headlights with 10k fogs. I cannot get the headlights to stop flickering. From what I've read I will need an Anti-flicker Harness, right? The harness looks pretty simple too so I would rather just make it myself. Can anyone give me the lowdown on what I will need to do?